38 lines
865 B
PHP
38 lines
865 B
PHP
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<?php
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/**
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* Return a component of the current path.
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*
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* When viewing a page at the path "admin/content/types", for example, arg(0)
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* would return "admin", arg(1) would return "content", and arg(2) would return
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* "types".
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*
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* @param $index
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* The index of the component, where each component is separated by a '/'
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* (forward-slash), and where the first component has an index of 0 (zero).
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*
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* @return
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* The component specified by $index, or NULL if the specified component was
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* not found.
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*/
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function arg($index = NULL, $path = NULL) {
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static $arguments;
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if (!isset($path)) {
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$path = $_GET['q'];
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}
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if (!isset($arguments[$path])) {
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$arguments[$path] = explode('/', $path);
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}
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if (!isset($index)) {
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return $arguments[$path];
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}
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if (isset($arguments[$path][$index])) {
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return $arguments[$path][$index];
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}
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}
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?>
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