1411 lines
41 KiB
PHP
Executable File
1411 lines
41 KiB
PHP
Executable File
<?php
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/**
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* PEAR, the PHP Extension and Application Repository
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*
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* PEAR class and PEAR_Error class
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*
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* PHP versions 4 and 5
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*
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* LICENSE: This source file is subject to version 3.0 of the PHP license
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* that is available through the world-wide-web at the following URI:
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* http://www.php.net/license/3_0.txt. If you did not receive a copy of
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* the PHP License and are unable to obtain it through the web, please
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* send a note to license@php.net so we can mail you a copy immediately.
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*
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* @category pear
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* @package PEAR
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* @author Sterling Hughes <sterling@php.net>
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* @author Stig Bakken <ssb@php.net>
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* @author Tomas V.V.Cox <cox@idecnet.com>
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2006 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version CVS: $Id: PEAR.php 6844 2011-06-03 14:46:51Z dMetzger $
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* @link http://pear.php.net/package/PEAR
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* @since File available since Release 0.1
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*/
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/*
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* If the is already loaded (some hosts do that), don't load it again.
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*/
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// as we need PEAR, PEAR_Exception and PEAR_Error, we have to check their existence separately
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if (!class_exists('PEAR', false))
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{
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/**#@+
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* ERROR constants
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*/
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define('PEAR_ERROR_RETURN', 1);
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define('PEAR_ERROR_PRINT', 2);
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define('PEAR_ERROR_TRIGGER', 4);
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define('PEAR_ERROR_DIE', 8);
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define('PEAR_ERROR_CALLBACK', 16);
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/**
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* WARNING: obsolete
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* @deprecated
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*/
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define('PEAR_ERROR_EXCEPTION', 32);
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/**#@-*/
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define('PEAR_ZE2', (function_exists('version_compare') &&
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version_compare(zend_version(), "2-dev", "ge")));
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if (substr(PHP_OS, 0, 3) == 'WIN') {
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define('OS_WINDOWS', true);
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define('OS_UNIX', false);
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define('PEAR_OS', 'Windows');
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} else {
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define('OS_WINDOWS', false);
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define('OS_UNIX', true);
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define('PEAR_OS', 'Unix'); // blatant assumption
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}
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// instant backwards compatibility
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if (!defined('PATH_SEPARATOR')) {
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if (OS_WINDOWS) {
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define('PATH_SEPARATOR', ';');
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} else {
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define('PATH_SEPARATOR', ':');
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}
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}
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$GLOBALS['_PEAR_default_error_mode'] = PEAR_ERROR_RETURN;
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$GLOBALS['_PEAR_default_error_options'] = E_USER_NOTICE;
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$GLOBALS['_PEAR_destructor_object_list'] = array();
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$GLOBALS['_PEAR_shutdown_funcs'] = array();
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$GLOBALS['_PEAR_error_handler_stack'] = array();
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@ini_set('track_errors', true);
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/**
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* Base class for other PEAR classes. Provides rudimentary
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* emulation of destructors.
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*
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* If you want a destructor in your class, inherit PEAR and make a
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* destructor method called _yourclassname (same name as the
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* constructor, but with a "_" prefix). Also, in your constructor you
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* have to call the PEAR constructor: $this->PEAR();.
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* The destructor method will be called without parameters. Note that
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* at in some SAPI implementations (such as Apache), any output during
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* the request shutdown (in which destructors are called) seems to be
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* discarded. If you need to get any debug information from your
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* destructor, use error_log(), syslog() or something similar.
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*
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* IMPORTANT! To use the emulated destructors you need to create the
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* objects by reference: $obj =& new PEAR_child;
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*
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* @category pear
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* @package PEAR
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* @author Stig Bakken <ssb@php.net>
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* @author Tomas V.V. Cox <cox@idecnet.com>
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2006 The PHP Group
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* @license http://www.php.net/license/3_0.txt PHP License 3.0
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* @version Release: 1.4.9
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* @link http://pear.php.net/package/PEAR
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* @see PEAR_Error
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* @since Class available since PHP 4.0.2
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* @link http://pear.php.net/manual/en/core.pear.php#core.pear.pear
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*/
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class PEAR
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{
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// {{{ properties
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/**
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* Whether to enable internal debug messages.
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*
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* @var bool
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* @access private
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*/
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var $_debug = false;
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/**
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* Default error mode for this object.
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*
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* @var int
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* @access private
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*/
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var $_default_error_mode = null;
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/**
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* Default error options used for this object when error mode
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* is PEAR_ERROR_TRIGGER.
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*
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* @var int
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* @access private
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*/
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var $_default_error_options = null;
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/**
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* Default error handler (callback) for this object, if error mode is
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* PEAR_ERROR_CALLBACK.
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*
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* @var string
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* @access private
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*/
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var $_default_error_handler = '';
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/**
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* Which class to use for error objects.
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*
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* @var string
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* @access private
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*/
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var $_error_class = 'PEAR_Error';
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/**
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* An array of expected errors.
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*
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* @var array
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* @access private
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*/
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var $_expected_errors = array();
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// }}}
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// {{{ constructor
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/**
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* Constructor. Registers this object in
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* $_PEAR_destructor_object_list for destructor emulation if a
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* destructor object exists.
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*
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* @param string $error_class (optional) which class to use for
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* error objects, defaults to PEAR_Error.
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* @access public
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* @return void
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*/
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function PEAR($error_class = null)
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{
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$classname = strtolower(get_class($this));
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if ($this->_debug) {
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print "PEAR constructor called, class=$classname\n";
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}
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if ($error_class !== null) {
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$this->_error_class = $error_class;
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}
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while ($classname && strcasecmp($classname, "pear")) {
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$destructor = "_$classname";
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if (method_exists($this, $destructor)) {
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global $_PEAR_destructor_object_list;
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$_PEAR_destructor_object_list[] = &$this;
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if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
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register_shutdown_function("_PEAR_call_destructors");
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$GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
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}
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break;
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} else {
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$classname = get_parent_class($classname);
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}
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}
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}
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// }}}
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// {{{ destructor
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/**
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* Destructor (the emulated type of...). Does nothing right now,
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* but is included for forward compatibility, so subclass
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* destructors should always call it.
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*
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* See the note in the class desciption about output from
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* destructors.
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*
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* @access public
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* @return void
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*/
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function _PEAR() {
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if ($this->_debug) {
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printf("PEAR destructor called, class=%s\n", strtolower(get_class($this)));
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}
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}
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// }}}
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// {{{ getStaticProperty()
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/**
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* If you have a class that's mostly/entirely static, and you need static
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* properties, you can use this method to simulate them. Eg. in your method(s)
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* do this: $myVar = &PEAR::getStaticProperty('myclass', 'myVar');
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* You MUST use a reference, or they will not persist!
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*
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* @access public
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* @param string $class The calling classname, to prevent clashes
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* @param string $var The variable to retrieve.
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* @return mixed A reference to the variable. If not set it will be
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* auto initialised to NULL.
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*/
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function &getStaticProperty($class, $var)
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{
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static $properties;
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return $properties[$class][$var];
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}
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// }}}
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// {{{ registerShutdownFunc()
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/**
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* Use this function to register a shutdown method for static
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* classes.
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*
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* @access public
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* @param mixed $func The function name (or array of class/method) to call
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* @param mixed $args The arguments to pass to the function
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* @return void
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*/
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function registerShutdownFunc($func, $args = array())
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{
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// if we are called statically, there is a potential
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// that no shutdown func is registered. Bug #6445
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if (!isset($GLOBALS['_PEAR_SHUTDOWN_REGISTERED'])) {
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register_shutdown_function("_PEAR_call_destructors");
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$GLOBALS['_PEAR_SHUTDOWN_REGISTERED'] = true;
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}
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$GLOBALS['_PEAR_shutdown_funcs'][] = array($func, $args);
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}
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// }}}
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// {{{ isError()
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/**
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* Tell whether a value is a PEAR error.
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*
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* @param mixed $data the value to test
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* @param int $code if $data is an error object, return true
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* only if $code is a string and
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* $obj->getMessage() == $code or
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* $code is an integer and $obj->getCode() == $code
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* @access public
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* @return bool true if parameter is an error
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*/
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function isError($data, $code = null)
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{
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if (is_a($data, 'PEAR_Error')) {
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if (is_null($code)) {
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return true;
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} elseif (is_string($code)) {
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return $data->getMessage() == $code;
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} else {
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return $data->getCode() == $code;
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}
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}
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return false;
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}
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// }}}
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// {{{ setErrorHandling()
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/**
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* Sets how errors generated by this object should be handled.
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* Can be invoked both in objects and statically. If called
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* statically, setErrorHandling sets the default behaviour for all
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* PEAR objects. If called in an object, setErrorHandling sets
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* the default behaviour for that object.
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*
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* @param int $mode
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* One of PEAR_ERROR_RETURN, PEAR_ERROR_PRINT,
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* PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE,
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* PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION.
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*
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* @param mixed $options
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* When $mode is PEAR_ERROR_TRIGGER, this is the error level (one
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* of E_USER_NOTICE, E_USER_WARNING or E_USER_ERROR).
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*
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* When $mode is PEAR_ERROR_CALLBACK, this parameter is expected
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* to be the callback function or method. A callback
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* function is a string with the name of the function, a
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* callback method is an array of two elements: the element
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* at index 0 is the object, and the element at index 1 is
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* the name of the method to call in the object.
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*
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* When $mode is PEAR_ERROR_PRINT or PEAR_ERROR_DIE, this is
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* a printf format string used when printing the error
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* message.
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*
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* @access public
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* @return void
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* @see PEAR_ERROR_RETURN
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* @see PEAR_ERROR_PRINT
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* @see PEAR_ERROR_TRIGGER
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* @see PEAR_ERROR_DIE
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* @see PEAR_ERROR_CALLBACK
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* @see PEAR_ERROR_EXCEPTION
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*
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* @since PHP 4.0.5
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*/
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function setErrorHandling($mode = null, $options = null)
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{
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if (isset($this) && is_a($this, 'PEAR')) {
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$setmode = &$this->_default_error_mode;
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$setoptions = &$this->_default_error_options;
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} else {
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$setmode = &$GLOBALS['_PEAR_default_error_mode'];
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$setoptions = &$GLOBALS['_PEAR_default_error_options'];
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}
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switch ($mode) {
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case PEAR_ERROR_EXCEPTION:
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case PEAR_ERROR_RETURN:
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case PEAR_ERROR_PRINT:
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case PEAR_ERROR_TRIGGER:
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case PEAR_ERROR_DIE:
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case null:
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$setmode = $mode;
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$setoptions = $options;
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break;
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case PEAR_ERROR_CALLBACK:
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$setmode = $mode;
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// class/object method callback
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if (is_callable($options)) {
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$setoptions = $options;
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} else {
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trigger_error("invalid error callback", E_USER_WARNING);
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}
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break;
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default:
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trigger_error("invalid error mode", E_USER_WARNING);
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break;
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}
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}
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// }}}
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// {{{ expectError()
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/**
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* This method is used to tell which errors you expect to get.
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* Expected errors are always returned with error mode
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* PEAR_ERROR_RETURN. Expected error codes are stored in a stack,
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* and this method pushes a new element onto it. The list of
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* expected errors are in effect until they are popped off the
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* stack with the popExpect() method.
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*
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* Note that this method can not be called statically
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*
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* @param mixed $code a single error code or an array of error codes to expect
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*
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* @return int the new depth of the "expected errors" stack
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* @access public
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*/
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function expectError($code = '*')
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{
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if (is_array($code)) {
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array_push($this->_expected_errors, $code);
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} else {
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array_push($this->_expected_errors, array($code));
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}
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return sizeof($this->_expected_errors);
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}
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// }}}
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// {{{ popExpect()
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/**
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* This method pops one element off the expected error codes
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* stack.
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*
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* @return array the list of error codes that were popped
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*/
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function popExpect()
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{
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return array_pop($this->_expected_errors);
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}
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// }}}
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// {{{ _checkDelExpect()
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|
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/**
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* This method checks unsets an error code if available
|
|
*
|
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* @param mixed error code
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* @return bool true if the error code was unset, false otherwise
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* @access private
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* @since PHP 4.3.0
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*/
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function _checkDelExpect($error_code)
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{
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$deleted = false;
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foreach ($this->_expected_errors AS $key => $error_array) {
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if (in_array($error_code, $error_array)) {
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unset($this->_expected_errors[$key][array_search($error_code, $error_array)]);
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$deleted = true;
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}
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|
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// clean up empty arrays
|
|
if (0 == sizeof($this->_expected_errors[$key])) {
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unset($this->_expected_errors[$key]);
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}
|
|
}
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return $deleted;
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}
|
|
|
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// }}}
|
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// {{{ delExpect()
|
|
|
|
/**
|
|
* This method deletes all occurences of the specified element from
|
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* the expected error codes stack.
|
|
*
|
|
* @param mixed $error_code error code that should be deleted
|
|
* @return mixed list of error codes that were deleted or error
|
|
* @access public
|
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* @since PHP 4.3.0
|
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*/
|
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function delExpect($error_code)
|
|
{
|
|
$deleted = false;
|
|
|
|
if ((is_array($error_code) && (0 != sizeof($error_code)))) {
|
|
// $error_code is a non-empty array here;
|
|
// we walk through it trying to unset all
|
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// values
|
|
foreach($error_code as $key => $error) {
|
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if ($this->_checkDelExpect($error)) {
|
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$deleted = true;
|
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} else {
|
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$deleted = false;
|
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}
|
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}
|
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return $deleted ? true : PEAR::raiseError("The expected error you submitted does not exist"); // IMPROVE ME
|
|
} elseif (!empty($error_code)) {
|
|
// $error_code comes alone, trying to unset it
|
|
if ($this->_checkDelExpect($error_code)) {
|
|
return true;
|
|
} else {
|
|
return PEAR::raiseError("The expected error you submitted does not exist"); // IMPROVE ME
|
|
}
|
|
} else {
|
|
// $error_code is empty
|
|
return PEAR::raiseError("The expected error you submitted is empty"); // IMPROVE ME
|
|
}
|
|
}
|
|
|
|
// }}}
|
|
// {{{ raiseError()
|
|
|
|
/**
|
|
* This method is a wrapper that returns an instance of the
|
|
* configured error class with this object's default error
|
|
* handling applied. If the $mode and $options parameters are not
|
|
* specified, the object's defaults are used.
|
|
*
|
|
* @param mixed $message a text error message or a PEAR error object
|
|
*
|
|
* @param int $code a numeric error code (it is up to your class
|
|
* to define these if you want to use codes)
|
|
*
|
|
* @param int $mode One of PEAR_ERROR_RETURN, PEAR_ERROR_PRINT,
|
|
* PEAR_ERROR_TRIGGER, PEAR_ERROR_DIE,
|
|
* PEAR_ERROR_CALLBACK, PEAR_ERROR_EXCEPTION.
|
|
*
|
|
* @param mixed $options If $mode is PEAR_ERROR_TRIGGER, this parameter
|
|
* specifies the PHP-internal error level (one of
|
|
* E_USER_NOTICE, E_USER_WARNING or E_USER_ERROR).
|
|
* If $mode is PEAR_ERROR_CALLBACK, this
|
|
* parameter specifies the callback function or
|
|
* method. In other error modes this parameter
|
|
* is ignored.
|
|
*
|
|
* @param string $userinfo If you need to pass along for example debug
|
|
* information, this parameter is meant for that.
|
|
*
|
|
* @param string $error_class The returned error object will be
|
|
* instantiated from this class, if specified.
|
|
*
|
|
* @param bool $skipmsg If true, raiseError will only pass error codes,
|
|
* the error message parameter will be dropped.
|
|
*
|
|
* @access public
|
|
* @return object a PEAR error object
|
|
* @see PEAR::setErrorHandling
|
|
* @since PHP 4.0.5
|
|
*/
|
|
function &raiseError($message = null,
|
|
$code = null,
|
|
$mode = null,
|
|
$options = null,
|
|
$userinfo = null,
|
|
$error_class = null,
|
|
$skipmsg = false)
|
|
{
|
|
// The error is yet a PEAR error object
|
|
if (is_object($message)) {
|
|
$code = $message->getCode();
|
|
$userinfo = $message->getUserInfo();
|
|
$error_class = $message->getType();
|
|
$message->error_message_prefix = '';
|
|
$message = $message->getMessage();
|
|
}
|
|
|
|
if (isset($this) && isset($this->_expected_errors) && sizeof($this->_expected_errors) > 0 && sizeof($exp = end($this->_expected_errors))) {
|
|
if ($exp[0] == "*" ||
|
|
(is_int(reset($exp)) && in_array($code, $exp)) ||
|
|
(is_string(reset($exp)) && in_array($message, $exp))) {
|
|
$mode = PEAR_ERROR_RETURN;
|
|
}
|
|
}
|
|
// No mode given, try global ones
|
|
if ($mode === null) {
|
|
// Class error handler
|
|
if (isset($this) && isset($this->_default_error_mode)) {
|
|
$mode = $this->_default_error_mode;
|
|
$options = $this->_default_error_options;
|
|
// Global error handler
|
|
} elseif (isset($GLOBALS['_PEAR_default_error_mode'])) {
|
|
$mode = $GLOBALS['_PEAR_default_error_mode'];
|
|
$options = $GLOBALS['_PEAR_default_error_options'];
|
|
}
|
|
}
|
|
|
|
if ($error_class !== null) {
|
|
$ec = $error_class;
|
|
} elseif (isset($this) && isset($this->_error_class)) {
|
|
$ec = $this->_error_class;
|
|
} else {
|
|
$ec = 'PEAR_Error';
|
|
}
|
|
if ($skipmsg) {
|
|
$a = new $ec($code, $mode, $options, $userinfo);
|
|
return $a;
|
|
} else {
|
|
$a = new $ec($message, $code, $mode, $options, $userinfo);
|
|
return $a;
|
|
}
|
|
}
|
|
|
|
// }}}
|
|
// {{{ throwError()
|
|
|
|
/**
|
|
* Simpler form of raiseError with fewer options. In most cases
|
|
* message, code and userinfo are enough.
|
|
*
|
|
* @param string $message
|
|
*
|
|
*/
|
|
function &throwError($message = null,
|
|
$code = null,
|
|
$userinfo = null)
|
|
{
|
|
if (isset($this) && is_a($this, 'PEAR')) {
|
|
$a = &$this->raiseError($message, $code, null, null, $userinfo);
|
|
return $a;
|
|
} else {
|
|
$a = &PEAR::raiseError($message, $code, null, null, $userinfo);
|
|
return $a;
|
|
}
|
|
}
|
|
|
|
// }}}
|
|
function staticPushErrorHandling($mode, $options = null)
|
|
{
|
|
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
|
$def_mode = &$GLOBALS['_PEAR_default_error_mode'];
|
|
$def_options = &$GLOBALS['_PEAR_default_error_options'];
|
|
$stack[] = array($def_mode, $def_options);
|
|
switch ($mode) {
|
|
case PEAR_ERROR_EXCEPTION:
|
|
case PEAR_ERROR_RETURN:
|
|
case PEAR_ERROR_PRINT:
|
|
case PEAR_ERROR_TRIGGER:
|
|
case PEAR_ERROR_DIE:
|
|
case null:
|
|
$def_mode = $mode;
|
|
$def_options = $options;
|
|
break;
|
|
|
|
case PEAR_ERROR_CALLBACK:
|
|
$def_mode = $mode;
|
|
// class/object method callback
|
|
if (is_callable($options)) {
|
|
$def_options = $options;
|
|
} else {
|
|
trigger_error("invalid error callback", E_USER_WARNING);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
trigger_error("invalid error mode", E_USER_WARNING);
|
|
break;
|
|
}
|
|
$stack[] = array($mode, $options);
|
|
return true;
|
|
}
|
|
|
|
function staticPopErrorHandling()
|
|
{
|
|
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
|
$setmode = &$GLOBALS['_PEAR_default_error_mode'];
|
|
$setoptions = &$GLOBALS['_PEAR_default_error_options'];
|
|
array_pop($stack);
|
|
list($mode, $options) = $stack[sizeof($stack) - 1];
|
|
array_pop($stack);
|
|
switch ($mode) {
|
|
case PEAR_ERROR_EXCEPTION:
|
|
case PEAR_ERROR_RETURN:
|
|
case PEAR_ERROR_PRINT:
|
|
case PEAR_ERROR_TRIGGER:
|
|
case PEAR_ERROR_DIE:
|
|
case null:
|
|
$setmode = $mode;
|
|
$setoptions = $options;
|
|
break;
|
|
|
|
case PEAR_ERROR_CALLBACK:
|
|
$setmode = $mode;
|
|
// class/object method callback
|
|
if (is_callable($options)) {
|
|
$setoptions = $options;
|
|
} else {
|
|
trigger_error("invalid error callback", E_USER_WARNING);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
trigger_error("invalid error mode", E_USER_WARNING);
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// {{{ pushErrorHandling()
|
|
|
|
/**
|
|
* Push a new error handler on top of the error handler options stack. With this
|
|
* you can easily override the actual error handler for some code and restore
|
|
* it later with popErrorHandling.
|
|
*
|
|
* @param mixed $mode (same as setErrorHandling)
|
|
* @param mixed $options (same as setErrorHandling)
|
|
*
|
|
* @return bool Always true
|
|
*
|
|
* @see PEAR::setErrorHandling
|
|
*/
|
|
function pushErrorHandling($mode, $options = null)
|
|
{
|
|
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
|
if (isset($this) && is_a($this, 'PEAR')) {
|
|
$def_mode = &$this->_default_error_mode;
|
|
$def_options = &$this->_default_error_options;
|
|
} else {
|
|
$def_mode = &$GLOBALS['_PEAR_default_error_mode'];
|
|
$def_options = &$GLOBALS['_PEAR_default_error_options'];
|
|
}
|
|
$stack[] = array($def_mode, $def_options);
|
|
|
|
if (isset($this) && is_a($this, 'PEAR')) {
|
|
$this->setErrorHandling($mode, $options);
|
|
} else {
|
|
PEAR::setErrorHandling($mode, $options);
|
|
}
|
|
$stack[] = array($mode, $options);
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ popErrorHandling()
|
|
|
|
/**
|
|
* Pop the last error handler used
|
|
*
|
|
* @return bool Always true
|
|
*
|
|
* @see PEAR::pushErrorHandling
|
|
*/
|
|
function popErrorHandling()
|
|
{
|
|
$stack = &$GLOBALS['_PEAR_error_handler_stack'];
|
|
array_pop($stack);
|
|
list($mode, $options) = $stack[sizeof($stack) - 1];
|
|
array_pop($stack);
|
|
if (isset($this) && is_a($this, 'PEAR')) {
|
|
$this->setErrorHandling($mode, $options);
|
|
} else {
|
|
PEAR::setErrorHandling($mode, $options);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ loadExtension()
|
|
|
|
/**
|
|
* OS independant PHP extension load. Remember to take care
|
|
* on the correct extension name for case sensitive OSes.
|
|
*
|
|
* @param string $ext The extension name
|
|
* @return bool Success or not on the dl() call
|
|
*/
|
|
function loadExtension($ext)
|
|
{
|
|
if (!extension_loaded($ext)) {
|
|
// if either returns true dl() will produce a FATAL error, stop that
|
|
if ((ini_get('enable_dl') != 1) || (ini_get('safe_mode') == 1)) {
|
|
return false;
|
|
}
|
|
if (OS_WINDOWS) {
|
|
$suffix = '.dll';
|
|
} elseif (PHP_OS == 'HP-UX') {
|
|
$suffix = '.sl';
|
|
} elseif (PHP_OS == 'AIX') {
|
|
$suffix = '.a';
|
|
} elseif (PHP_OS == 'OSX') {
|
|
$suffix = '.bundle';
|
|
} else {
|
|
$suffix = '.so';
|
|
}
|
|
return @dl('php_'.$ext.$suffix) || @dl($ext.$suffix);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// }}}
|
|
}
|
|
|
|
// {{{ _PEAR_call_destructors()
|
|
|
|
function _PEAR_call_destructors()
|
|
{
|
|
global $_PEAR_destructor_object_list;
|
|
if (is_array($_PEAR_destructor_object_list) &&
|
|
sizeof($_PEAR_destructor_object_list))
|
|
{
|
|
reset($_PEAR_destructor_object_list);
|
|
if (@PEAR::getStaticProperty('PEAR', 'destructlifo')) {
|
|
$_PEAR_destructor_object_list = array_reverse($_PEAR_destructor_object_list);
|
|
}
|
|
while (list($k, $objref) = each($_PEAR_destructor_object_list)) {
|
|
$classname = get_class($objref);
|
|
while ($classname) {
|
|
$destructor = "_$classname";
|
|
if (method_exists($objref, $destructor)) {
|
|
$objref->$destructor();
|
|
break;
|
|
} else {
|
|
$classname = get_parent_class($classname);
|
|
}
|
|
}
|
|
}
|
|
// Empty the object list to ensure that destructors are
|
|
// not called more than once.
|
|
$_PEAR_destructor_object_list = array();
|
|
}
|
|
|
|
// Now call the shutdown functions
|
|
if (is_array($GLOBALS['_PEAR_shutdown_funcs']) AND !empty($GLOBALS['_PEAR_shutdown_funcs'])) {
|
|
foreach ($GLOBALS['_PEAR_shutdown_funcs'] as $value) {
|
|
call_user_func_array($value[0], $value[1]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// }}}
|
|
/**
|
|
* Standard PEAR error class for PHP 4
|
|
*
|
|
* This class is supserseded by {@link PEAR_Exception} in PHP 5
|
|
*
|
|
* @category pear
|
|
* @package PEAR
|
|
* @author Stig Bakken <ssb@php.net>
|
|
* @author Tomas V.V. Cox <cox@idecnet.com>
|
|
* @author Gregory Beaver <cellog@php.net>
|
|
* @copyright 1997-2006 The PHP Group
|
|
* @license http://www.php.net/license/3_0.txt PHP License 3.0
|
|
* @version Release: 1.4.9
|
|
* @link http://pear.php.net/manual/en/core.pear.pear-error.php
|
|
* @see PEAR::raiseError(), PEAR::throwError()
|
|
* @since Class available since PHP 4.0.2
|
|
*/
|
|
if (!class_exists('PEAR_Error', false))
|
|
{
|
|
class PEAR_Error
|
|
{
|
|
// {{{ properties
|
|
|
|
var $error_message_prefix = '';
|
|
var $mode = PEAR_ERROR_RETURN;
|
|
var $level = E_USER_NOTICE;
|
|
var $code = -1;
|
|
var $message = '';
|
|
var $userinfo = '';
|
|
var $backtrace = null;
|
|
|
|
// }}}
|
|
// {{{ constructor
|
|
|
|
/**
|
|
* PEAR_Error constructor
|
|
*
|
|
* @param string $message message
|
|
*
|
|
* @param int $code (optional) error code
|
|
*
|
|
* @param int $mode (optional) error mode, one of: PEAR_ERROR_RETURN,
|
|
* PEAR_ERROR_PRINT, PEAR_ERROR_DIE, PEAR_ERROR_TRIGGER,
|
|
* PEAR_ERROR_CALLBACK or PEAR_ERROR_EXCEPTION
|
|
*
|
|
* @param mixed $options (optional) error level, _OR_ in the case of
|
|
* PEAR_ERROR_CALLBACK, the callback function or object/method
|
|
* tuple.
|
|
*
|
|
* @param string $userinfo (optional) additional user/debug info
|
|
*
|
|
* @access public
|
|
*
|
|
*/
|
|
function PEAR_Error($message = 'unknown error', $code = null,
|
|
$mode = null, $options = null, $userinfo = null)
|
|
{
|
|
if ($mode === null) {
|
|
$mode = PEAR_ERROR_RETURN;
|
|
}
|
|
$this->message = $message;
|
|
$this->code = $code;
|
|
$this->mode = $mode;
|
|
$this->userinfo = $userinfo;
|
|
if (function_exists("debug_backtrace")) {
|
|
if (@!PEAR::getStaticProperty('PEAR_Error', 'skiptrace')) {
|
|
$this->backtrace = debug_backtrace();
|
|
}
|
|
}
|
|
if ($mode & PEAR_ERROR_CALLBACK) {
|
|
$this->level = E_USER_NOTICE;
|
|
$this->callback = $options;
|
|
} else {
|
|
if ($options === null) {
|
|
$options = E_USER_NOTICE;
|
|
}
|
|
$this->level = $options;
|
|
$this->callback = null;
|
|
}
|
|
if ($this->mode & PEAR_ERROR_PRINT) {
|
|
if (is_null($options) || is_int($options)) {
|
|
$format = "%s";
|
|
} else {
|
|
$format = $options;
|
|
}
|
|
printf($format, $this->getMessage());
|
|
}
|
|
if ($this->mode & PEAR_ERROR_TRIGGER) {
|
|
trigger_error($this->getMessage(), $this->level);
|
|
}
|
|
if ($this->mode & PEAR_ERROR_DIE) {
|
|
$msg = $this->getMessage();
|
|
if (is_null($options) || is_int($options)) {
|
|
$format = "%s";
|
|
if (substr($msg, -1) != "\n") {
|
|
$msg .= "\n";
|
|
}
|
|
} else {
|
|
$format = $options;
|
|
}
|
|
die(sprintf($format, $msg));
|
|
}
|
|
if ($this->mode & PEAR_ERROR_CALLBACK) {
|
|
if (is_callable($this->callback)) {
|
|
call_user_func($this->callback, $this);
|
|
}
|
|
}
|
|
if ($this->mode & PEAR_ERROR_EXCEPTION) {
|
|
trigger_error("PEAR_ERROR_EXCEPTION is obsolete, use class PEAR_Exception for exceptions", E_USER_WARNING);
|
|
eval('$e = new Exception($this->message, $this->code);throw($e);');
|
|
}
|
|
}
|
|
|
|
// }}}
|
|
// {{{ getMode()
|
|
|
|
/**
|
|
* Get the error mode from an error object.
|
|
*
|
|
* @return int error mode
|
|
* @access public
|
|
*/
|
|
function getMode() {
|
|
return $this->mode;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ getCallback()
|
|
|
|
/**
|
|
* Get the callback function/method from an error object.
|
|
*
|
|
* @return mixed callback function or object/method array
|
|
* @access public
|
|
*/
|
|
function getCallback() {
|
|
return $this->callback;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ getMessage()
|
|
|
|
|
|
/**
|
|
* Get the error message from an error object.
|
|
*
|
|
* @return string full error message
|
|
* @access public
|
|
*/
|
|
function getMessage()
|
|
{
|
|
return ($this->error_message_prefix . $this->message);
|
|
}
|
|
|
|
|
|
// }}}
|
|
// {{{ getCode()
|
|
|
|
/**
|
|
* Get error code from an error object
|
|
*
|
|
* @return int error code
|
|
* @access public
|
|
*/
|
|
function getCode()
|
|
{
|
|
return $this->code;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ getType()
|
|
|
|
/**
|
|
* Get the name of this error/exception.
|
|
*
|
|
* @return string error/exception name (type)
|
|
* @access public
|
|
*/
|
|
function getType()
|
|
{
|
|
return get_class($this);
|
|
}
|
|
|
|
// }}}
|
|
// {{{ getUserInfo()
|
|
|
|
/**
|
|
* Get additional user-supplied information.
|
|
*
|
|
* @return string user-supplied information
|
|
* @access public
|
|
*/
|
|
function getUserInfo()
|
|
{
|
|
return $this->userinfo;
|
|
}
|
|
|
|
// }}}
|
|
// {{{ getDebugInfo()
|
|
|
|
/**
|
|
* Get additional debug information supplied by the application.
|
|
*
|
|
* @return string debug information
|
|
* @access public
|
|
*/
|
|
function getDebugInfo()
|
|
{
|
|
return $this->getUserInfo();
|
|
}
|
|
|
|
// }}}
|
|
// {{{ getBacktrace()
|
|
|
|
/**
|
|
* Get the call backtrace from where the error was generated.
|
|
* Supported with PHP 4.3.0 or newer.
|
|
*
|
|
* @param int $frame (optional) what frame to fetch
|
|
* @return array Backtrace, or NULL if not available.
|
|
* @access public
|
|
*/
|
|
function getBacktrace($frame = null)
|
|
{
|
|
if (defined('PEAR_IGNORE_BACKTRACE')) {
|
|
return null;
|
|
}
|
|
if ($frame === null) {
|
|
return $this->backtrace;
|
|
}
|
|
return $this->backtrace[$frame];
|
|
}
|
|
|
|
// }}}
|
|
// {{{ addUserInfo()
|
|
|
|
function addUserInfo($info)
|
|
{
|
|
if (empty($this->userinfo)) {
|
|
$this->userinfo = $info;
|
|
} else {
|
|
$this->userinfo .= " ** $info";
|
|
}
|
|
}
|
|
|
|
// }}}
|
|
// {{{ toString()
|
|
|
|
/**
|
|
* Make a string representation of this object.
|
|
*
|
|
* @return string a string with an object summary
|
|
* @access public
|
|
*/
|
|
function toString() {
|
|
$modes = array();
|
|
$levels = array(E_USER_NOTICE => 'notice',
|
|
E_USER_WARNING => 'warning',
|
|
E_USER_ERROR => 'error');
|
|
if ($this->mode & PEAR_ERROR_CALLBACK) {
|
|
if (is_array($this->callback)) {
|
|
$callback = (is_object($this->callback[0]) ?
|
|
strtolower(get_class($this->callback[0])) :
|
|
$this->callback[0]) . '::' .
|
|
$this->callback[1];
|
|
} else {
|
|
$callback = $this->callback;
|
|
}
|
|
return sprintf('[%s: message="%s" code=%d mode=callback '.
|
|
'callback=%s prefix="%s" info="%s"]',
|
|
strtolower(get_class($this)), $this->message, $this->code,
|
|
$callback, $this->error_message_prefix,
|
|
$this->userinfo);
|
|
}
|
|
if ($this->mode & PEAR_ERROR_PRINT) {
|
|
$modes[] = 'print';
|
|
}
|
|
if ($this->mode & PEAR_ERROR_TRIGGER) {
|
|
$modes[] = 'trigger';
|
|
}
|
|
if ($this->mode & PEAR_ERROR_DIE) {
|
|
$modes[] = 'die';
|
|
}
|
|
if ($this->mode & PEAR_ERROR_RETURN) {
|
|
$modes[] = 'return';
|
|
}
|
|
return sprintf('[%s: message="%s" code=%d mode=%s level=%s '.
|
|
'prefix="%s" info="%s"]',
|
|
strtolower(get_class($this)), $this->message, $this->code,
|
|
implode("|", $modes), $levels[$this->level],
|
|
$this->error_message_prefix,
|
|
$this->userinfo);
|
|
}
|
|
|
|
// }}}
|
|
}
|
|
}
|
|
if (!class_exists('PEAR_Exception', false))
|
|
{
|
|
class PEAR_Exception extends Exception
|
|
{
|
|
const OBSERVER_PRINT = -2;
|
|
const OBSERVER_TRIGGER = -4;
|
|
const OBSERVER_DIE = -8;
|
|
protected $cause;
|
|
private static $_observers = array();
|
|
private static $_uniqueid = 0;
|
|
private $_trace;
|
|
|
|
/**
|
|
* Supported signatures:
|
|
* - PEAR_Exception(string $message);
|
|
* - PEAR_Exception(string $message, int $code);
|
|
* - PEAR_Exception(string $message, Exception $cause);
|
|
* - PEAR_Exception(string $message, Exception $cause, int $code);
|
|
* - PEAR_Exception(string $message, PEAR_Error $cause);
|
|
* - PEAR_Exception(string $message, PEAR_Error $cause, int $code);
|
|
* - PEAR_Exception(string $message, array $causes);
|
|
* - PEAR_Exception(string $message, array $causes, int $code);
|
|
* @param string exception message
|
|
* @param int|Exception|PEAR_Error|array|null exception cause
|
|
* @param int|null exception code or null
|
|
*/
|
|
public function __construct($message, $p2 = null, $p3 = null)
|
|
{
|
|
if (is_int($p2)) {
|
|
$code = $p2;
|
|
$this->cause = null;
|
|
} elseif (is_object($p2) || is_array($p2)) {
|
|
// using is_object allows both Exception and PEAR_Error
|
|
if (is_object($p2) && !($p2 instanceof Exception)) {
|
|
if (!class_exists('PEAR_Error') || !($p2 instanceof PEAR_Error)) {
|
|
throw new PEAR_Exception('exception cause must be Exception, ' .
|
|
'array, or PEAR_Error');
|
|
}
|
|
}
|
|
$code = $p3;
|
|
if (is_array($p2) && isset($p2['message'])) {
|
|
// fix potential problem of passing in a single warning
|
|
$p2 = array($p2);
|
|
}
|
|
$this->cause = $p2;
|
|
} else {
|
|
$code = null;
|
|
$this->cause = null;
|
|
}
|
|
parent::__construct($message, $code);
|
|
$this->signal();
|
|
}
|
|
|
|
/**
|
|
* @param mixed $callback - A valid php callback, see php func is_callable()
|
|
* - A PEAR_Exception::OBSERVER_* constant
|
|
* - An array(const PEAR_Exception::OBSERVER_*,
|
|
* mixed $options)
|
|
* @param string $label The name of the observer. Use this if you want
|
|
* to remove it later with removeObserver()
|
|
*/
|
|
public static function addObserver($callback, $label = 'default')
|
|
{
|
|
self::$_observers[$label] = $callback;
|
|
}
|
|
|
|
public static function removeObserver($label = 'default')
|
|
{
|
|
unset(self::$_observers[$label]);
|
|
}
|
|
|
|
/**
|
|
* @return int unique identifier for an observer
|
|
*/
|
|
public static function getUniqueId()
|
|
{
|
|
return self::$_uniqueid++;
|
|
}
|
|
|
|
private function signal()
|
|
{
|
|
foreach (self::$_observers as $func) {
|
|
if (is_callable($func)) {
|
|
call_user_func($func, $this);
|
|
continue;
|
|
}
|
|
settype($func, 'array');
|
|
switch ($func[0]) {
|
|
case self::OBSERVER_PRINT :
|
|
$f = (isset($func[1])) ? $func[1] : '%s';
|
|
printf($f, $this->getMessage());
|
|
break;
|
|
case self::OBSERVER_TRIGGER :
|
|
$f = (isset($func[1])) ? $func[1] : E_USER_NOTICE;
|
|
trigger_error($this->getMessage(), $f);
|
|
break;
|
|
case self::OBSERVER_DIE :
|
|
$f = (isset($func[1])) ? $func[1] : '%s';
|
|
die(printf($f, $this->getMessage()));
|
|
break;
|
|
default:
|
|
trigger_error('invalid observer type', E_USER_WARNING);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return specific error information that can be used for more detailed
|
|
* error messages or translation.
|
|
*
|
|
* This method may be overridden in child exception classes in order
|
|
* to add functionality not present in PEAR_Exception and is a placeholder
|
|
* to define API
|
|
*
|
|
* The returned array must be an associative array of parameter => value like so:
|
|
* <pre>
|
|
* array('name' => $name, 'context' => array(...))
|
|
* </pre>
|
|
* @return array
|
|
*/
|
|
public function getErrorData()
|
|
{
|
|
return array();
|
|
}
|
|
|
|
/**
|
|
* Returns the exception that caused this exception to be thrown
|
|
* @access public
|
|
* @return Exception|array The context of the exception
|
|
*/
|
|
public function getCause()
|
|
{
|
|
return $this->cause;
|
|
}
|
|
|
|
/**
|
|
* Function must be public to call on caused exceptions
|
|
* @param array
|
|
*/
|
|
public function getCauseMessage(&$causes)
|
|
{
|
|
$trace = $this->getTraceSafe();
|
|
$cause = array('class' => get_class($this),
|
|
'message' => $this->message,
|
|
'file' => 'unknown',
|
|
'line' => 'unknown');
|
|
if (isset($trace[0])) {
|
|
if (isset($trace[0]['file'])) {
|
|
$cause['file'] = $trace[0]['file'];
|
|
$cause['line'] = $trace[0]['line'];
|
|
}
|
|
}
|
|
$causes[] = $cause;
|
|
if ($this->cause instanceof PEAR_Exception) {
|
|
$this->cause->getCauseMessage($causes);
|
|
} elseif ($this->cause instanceof Exception) {
|
|
$causes[] = array('class' => get_class($this->cause),
|
|
'message' => $this->cause->getMessage(),
|
|
'file' => $this->cause->getFile(),
|
|
'line' => $this->cause->getLine());
|
|
} elseif (class_exists('PEAR_Error') && $this->cause instanceof PEAR_Error) {
|
|
$causes[] = array('class' => get_class($this->cause),
|
|
'message' => $this->cause->getMessage(),
|
|
'file' => 'unknown',
|
|
'line' => 'unknown');
|
|
} elseif (is_array($this->cause)) {
|
|
foreach ($this->cause as $cause) {
|
|
if ($cause instanceof PEAR_Exception) {
|
|
$cause->getCauseMessage($causes);
|
|
} elseif ($cause instanceof Exception) {
|
|
$causes[] = array('class' => get_class($cause),
|
|
'message' => $cause->getMessage(),
|
|
'file' => $cause->getFile(),
|
|
'line' => $cause->getLine());
|
|
} elseif (class_exists('PEAR_Error') && $cause instanceof PEAR_Error) {
|
|
$causes[] = array('class' => get_class($cause),
|
|
'message' => $cause->getMessage(),
|
|
'file' => 'unknown',
|
|
'line' => 'unknown');
|
|
} elseif (is_array($cause) && isset($cause['message'])) {
|
|
// PEAR_ErrorStack warning
|
|
$causes[] = array(
|
|
'class' => $cause['package'],
|
|
'message' => $cause['message'],
|
|
'file' => isset($cause['context']['file']) ?
|
|
$cause['context']['file'] :
|
|
'unknown',
|
|
'line' => isset($cause['context']['line']) ?
|
|
$cause['context']['line'] :
|
|
'unknown',
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public function getTraceSafe()
|
|
{
|
|
if (!isset($this->_trace)) {
|
|
$this->_trace = $this->getTrace();
|
|
if (empty($this->_trace)) {
|
|
$backtrace = debug_backtrace();
|
|
$this->_trace = array($backtrace[sizeof($backtrace)-1]);
|
|
}
|
|
}
|
|
return $this->_trace;
|
|
}
|
|
|
|
public function getErrorClass()
|
|
{
|
|
$trace = $this->getTraceSafe();
|
|
return $trace[0]['class'];
|
|
}
|
|
|
|
public function getErrorMethod()
|
|
{
|
|
$trace = $this->getTraceSafe();
|
|
return $trace[0]['function'];
|
|
}
|
|
|
|
public function __toString()
|
|
{
|
|
if (isset($_SERVER['REQUEST_URI'])) {
|
|
return $this->toHtml();
|
|
}
|
|
return $this->toText();
|
|
}
|
|
|
|
public function toHtml()
|
|
{
|
|
$trace = $this->getTraceSafe();
|
|
$causes = array();
|
|
$this->getCauseMessage($causes);
|
|
$html = '<table border="1" cellspacing="0">' . "\n";
|
|
foreach ($causes as $i => $cause) {
|
|
$html .= '<tr><td colspan="3" bgcolor="#ff9999">'
|
|
. str_repeat('-', $i) . ' <b>' . $cause['class'] . '</b>: '
|
|
. htmlspecialchars($cause['message']) . ' in <b>' . $cause['file'] . '</b> '
|
|
. 'on line <b>' . $cause['line'] . '</b>'
|
|
. "</td></tr>\n";
|
|
}
|
|
$html .= '<tr><td colspan="3" bgcolor="#aaaaaa" align="center"><b>Exception trace</b></td></tr>' . "\n"
|
|
. '<tr><td align="center" bgcolor="#cccccc" width="20"><b>#</b></td>'
|
|
. '<td align="center" bgcolor="#cccccc"><b>Function</b></td>'
|
|
. '<td align="center" bgcolor="#cccccc"><b>Location</b></td></tr>' . "\n";
|
|
|
|
foreach ($trace as $k => $v) {
|
|
$html .= '<tr><td align="center">' . $k . '</td>'
|
|
. '<td>';
|
|
if (!empty($v['class'])) {
|
|
$html .= $v['class'] . $v['type'];
|
|
}
|
|
$html .= $v['function'];
|
|
$args = array();
|
|
if (!empty($v['args'])) {
|
|
foreach ($v['args'] as $arg) {
|
|
if (is_null($arg)) $args[] = 'null';
|
|
elseif (is_array($arg)) $args[] = 'Array';
|
|
elseif (is_object($arg)) $args[] = 'Object('.get_class($arg).')';
|
|
elseif (is_bool($arg)) $args[] = $arg ? 'true' : 'false';
|
|
elseif (is_int($arg) || is_double($arg)) $args[] = $arg;
|
|
else {
|
|
$arg = (string)$arg;
|
|
$str = htmlspecialchars(substr($arg, 0, 16));
|
|
if (strlen($arg) > 16) $str .= '…';
|
|
$args[] = "'" . $str . "'";
|
|
}
|
|
}
|
|
}
|
|
$html .= '(' . implode(', ',$args) . ')'
|
|
. '</td>'
|
|
. '<td>' . (isset($v['file']) ? $v['file'] : 'unknown')
|
|
. ':' . (isset($v['line']) ? $v['line'] : 'unknown')
|
|
. '</td></tr>' . "\n";
|
|
}
|
|
$html .= '<tr><td align="center">' . ($k+1) . '</td>'
|
|
. '<td>{main}</td>'
|
|
. '<td> </td></tr>' . "\n"
|
|
. '</table>';
|
|
return $html;
|
|
}
|
|
|
|
public function toText()
|
|
{
|
|
$causes = array();
|
|
$this->getCauseMessage($causes);
|
|
$causeMsg = '';
|
|
foreach ($causes as $i => $cause) {
|
|
$causeMsg .= str_repeat(' ', $i) . $cause['class'] . ': '
|
|
. $cause['message'] . ' in ' . $cause['file']
|
|
. ' on line ' . $cause['line'] . "\n";
|
|
}
|
|
return $causeMsg . $this->getTraceAsString();
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* Local Variables:
|
|
* mode: php
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
*/
|
|
?>
|