58 lines
1.4 KiB
PHP
58 lines
1.4 KiB
PHP
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<?php
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class Siren
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{
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public function __construct(){}
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public function valide($siret)
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{
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$siren = substr($siret, 0, 9);
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$nic = null;
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if (strlen($siret)==14)
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$nic = substr($siret, 9, 5);
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if (empty($nic)) {
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$somme=0;
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for ($i=0; $i<=8; $i+=2) // Traitement IMPAIR
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$somme+=(integer)substr($siren,$i,1);
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for ($i=1; $i<=7; $i+=2)
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{ // Traitement PAIR
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$var_tmp=(string)(2*((integer)substr($siren,$i,1)));
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$som_tmp=0;
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for($j=0;$j<strlen($var_tmp);$j++)
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$som_tmp+=(integer)substr($var_tmp,$j,1);
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$somme+=$som_tmp;
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}
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if ((integer)($somme/10)!=($somme/10))
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{ // Le Siren est faux
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if (substr($siren,0,3)!='200') // Les siren débutant par 200 sont toujours valides (sirens provisoires de la BDF?!)
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return false;
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}
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} else {
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$SIRET=$siren.$nic;
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$somme=0;
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for ($i=0; $i<=12; $i+=2)
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{ // Traitement PAIR
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$var_tmp=(string)(2*((integer)substr($SIRET,$i,1)));
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$som_tmp=0;
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for($j=0;$j<strlen($var_tmp);$j++)
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$som_tmp+=(integer)substr($var_tmp,$j,1);
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$somme+=$som_tmp;
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}
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for ($i=1; $i<=13; $i+=2) // Traitement IMPAIR
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$somme+=(integer)substr($SIRET,$i,1);
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if ((integer)($somme/10)!=($somme/10))// Le Siret est faux
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return false;
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}
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return true;
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}
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public function exist($siren)
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{
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require_once 'Scores/WsScores.php';
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$ws = new WsScores();
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return $ws->isSirenExistant($siren);
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}
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}
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