3022 lines
13 KiB
PHP
Executable File
3022 lines
13 KiB
PHP
Executable File
<?php
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// define('__ROOT__', dirname(dirname(__FILE__)) );
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/***********************************************************
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* *
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* MANAGER DE SECURITE GENERALE ET SPECIFIQUE *
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* *
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************************************************************
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* *
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* [0] Constantes *
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* [1] Session & redirection *
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* [2] autoloader *
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* *
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* *
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* *
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* *
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* *
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* *
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* *
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* *
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* *
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***********************************************************/
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/* [0] CONSTANTES
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============================================================*/
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function getPermissions(){ // retourne la liste des droits existants
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return array('student', 'teacher', 'master', 'admin');
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}
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/** retourne l'état "connecté" de l'utilisateur courant
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*
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* @return state<Boolean> VRAI si connecté / FAUX si pas connecté
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*
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*/
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function connected(){
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return $_SESSION['identifiant'] != null;
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}
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/** retourne si un utilisateur a un droit ou non
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*
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* @return permission<Boolean> VRAI si l'utilisateur a ce droit / FAUX s'il ne l'a pas
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*
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* */
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function permission($perm){
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return connected() && is_int( array_search($perm, $_SESSION['droits']) );
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}
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function debug(){
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ini_set('display_errors',1);
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ini_set('display_startup_errors',1);
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error_reporting(-1);
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}debug();
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function getCurrentYear(){
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if( Date('m', time()) < 8 ) return Date('Y', time()) - 1;
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else return Date('Y', time());
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}
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function anneeScolaire($year){
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return $year.' - '.($year+1);
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}
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function secure_sha1($text){
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$salt = '!!-vi_v93DFeswgf9de2b4d34ev!XX!x%';
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$pepper = ':!;,°1832%0%QMSLµQ°++Q==!';
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return sha1( sha1($salt.$text).$pepper );
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}
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/* [1] SESSIONS & REDIRECTION
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============================================================*/
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/* ETABLIT UNE SESSION SÉCURISÉE
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*
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* [1] Définit un id_session (PHPSESSID) unique et propre à une connection
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* + propre à un navigateur (navigateur, version, OS, système X, ...)
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* + propre à un accès (ip publique = box)
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*
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* [2] Démarre la session
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*
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*/
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function session_init(){
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/*
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session_id( // on définit le session id
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sha1( // qui est un Hash MD5
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$_SERVER['HTTP_USER_AGENT']. // qui correspond aux infos système disponibles de l'utilisateur
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$_SERVER['REMOTE_ADDR'] // et de son ip publique
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)
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);
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*/
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session_start(); // on démarre la session
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// on vérifie l'intégrité des variables session
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$identifiantDefinedProperly = isset($_SESSION['identifiant']) && !empty($_SESSION['identifiant']) && gettype($_SESSION['identifiant']) == 'string' && strlen($_SESSION['identifiant']) > 0;
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$droitsDefinedProperly = isset($_SESSION['droits']) && !empty($_SESSION['droits']) && is_array($_SESSION['droits']) && count($_SESSION['droits']) > 0;
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if( $droitsDefinedProperly )
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foreach($_SESSION['droits'] as $droit)
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if( !is_int( array_search($droit, getPermissions()) ) ) // si le droit n'est pas dans la liste des possibilitées, on retourne false
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$droitsDefinedProperly = false;
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// si les variables sessions ne sont pas toutes les 2 correctes
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if( !$identifiantDefinedProperly || !$droitsDefinedProperly ){
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$_SESSION['identifiant'] = null; // on les initialise à NULL
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$_SESSION['droits'] = array();
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}
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}session_init();
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/* [2] GESTION DES PARAMÈTRES
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============================================================*/
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/** Vérifie le bon format, le bon type, ainsi que la bonne valeur des variables envoyées
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*
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* @param $tabVar tableau contenant l'ensemble des variables a vérifier
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* @param $tabType tableau contenant l'ensemble des types
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* @param $tabForm tableau contenant l'ensemble des conditions attendues
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*
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* @return toutOK<Boolean> VRAI si variables bonnes / FAUX sinon
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*
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*/
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function checkParam($variable, $type=null){
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$checker = isset($variable) && !is_null($variable);
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// traitement en fonction du type
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switch($type){
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/* [1] Types de la base de données
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=======================================*/
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/* (1) Global */
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case 'auto_increment_id':
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return $checker && is_numeric($variable) && $variable <= 2147483647 && $variable >= -2147483647;
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break;
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/* (2) Utilisateur */
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case 'utilisateur.identifiant':
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return $checker && is_string($variable) && preg_match('/^[\w -]{3,50}$/i', $variable);
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break;
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case 'utilisateur.prenom':
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return $checker && is_string($variable) && preg_match('/^[a-z -]{3,50}$/i', $variable);
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break;
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case 'utilisateur.nom':
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return $checker && is_string($variable) && preg_match('/^[a-z -]{3,50}$/i', $variable);
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break;
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case 'utilisateur.sexe':
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return $checker && is_numeric($variable) && $variable >= 0 && $variable <= 1;
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break;
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case 'utilisateur.mail':
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return $checker && is_string($variable) && strlen($variable) <= 50 && preg_match('/^[\w\.-]+@[\w\.-]+\.[a-z]{2,4}$/i', $variable);
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break;
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case 'utilisateur.mdp':
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return $checker && is_string($variable) && preg_match('/^[\w -]{4,100}$/i', $variable);
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break;
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case 'utilisateur.droits':
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return $checker && is_string($variable) && preg_match('/^(?:master|student|admin|teacher)(,(?:master|student|admin|teacher)){0,4}$/i', $variable);
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break;
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/* (3) Groupe */
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case 'groupe.nom':
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return $checker && is_string($variable) && preg_match('/^[a-z0-9 -]{1,10}$/i', $variable);
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break;
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/* (4) Formation */
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case 'formation.code':
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return $checker && is_string($variable) && preg_match('/[\w]{0,10}/i', $variable);
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break;
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case 'formation.nom':
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return $checker && is_string($variable) && preg_match('/[\w ]{0,100}/i', $variable);
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break;
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/* (5) Module */
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case 'module.nom':
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return $checker && is_string($variable) && preg_match('/[\w]{0,10}/i', $variable);
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break;
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case 'module.libelle':
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return $checker && is_string($variable) && preg_match('/[\w ]{0,100}/i', $variable);
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break;
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/* (6) UE */
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case 'UE.nom':
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return $checker && is_string($variable) && preg_match('/[\w]{0,10}/i', $variable);
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break;
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case 'UE.libelle':
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return $checker && is_string($variable) && preg_match('/[\w ]{0,100}/i', $variable);
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break;
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/* (7) Semestre */
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case 'semestre.nom':
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return $checker && is_string($variable) && preg_match('/[\w]{0,10}/i', $variable);
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break;
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case 'semestre.rang':
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return $checker && is_numeric($variable) && $variable >= 0 && $variable <= 127;
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break;
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case 'semestre.annee':
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return $checker && is_numeric($variable) && $variable >= 0;
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break;
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/* (8) Contrôle */
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case 'controle.nom':
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return $checker && is_string($variable) && preg_match('/[\w]{0,10}/i', $variable);
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break;
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case 'controle.libelle':
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return $checker && is_string($variable) && preg_match('/^.{3,100}$/i', $variable);
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break;
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case 'controle.base':
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return $checker && is_numeric($variable) && $variable >= 0;
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break;
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case 'controle.coefficient':
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return $checker && is_numeric($variable);
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break;
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case 'controle.publication':
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return $checker && is_numeric($variable) && $variable >= 0 && $variable <= 1;
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break;
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/* (9) Note */
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case 'note.valeur':
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return $checker && is_numeric($variable);
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break;
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/* [2] Types primitifs et secondaires
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=======================================*/
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case '<string>':
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return $checker && is_string($variable);
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break;
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case '<int>':
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return $checker && is_int($variable);
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break;
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case '<numeric>':
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return $checker && is_numeric($variable);
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break;
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case '<array>':
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return $checker && is_array($variable);
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break;
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case '<boolean>':
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return $checker && is_bool($variable);
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break;
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}
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return $checker;
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}
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/* [2] AUTOLOADER
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================================================================*/
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function autoLoader($className) {
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// si on charge un Repo
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if( preg_match('/^([a-z]+)Repo$/', $className, $match) ){
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// si le fichier existe, on charge le repo
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if( is_file(__ROOT__.DIRECTORY_SEPARATOR.'manager'.DIRECTORY_SEPARATOR.'repo'.DIRECTORY_SEPARATOR.$match[1].'.php') )
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require_once __ROOT__.DIRECTORY_SEPARATOR.'manager'.DIRECTORY_SEPARATOR.'repo'.DIRECTORY_SEPARATOR.$match[1].'.php';
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}
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// si c'est un manager
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elseif( preg_match('/^([a-z]+)Manager$/', $className, $match) ){
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// si le fichier existe, on charge le manager
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if( is_file(__ROOT__.DIRECTORY_SEPARATOR.'manager'.DIRECTORY_SEPARATOR.$match[1].'.php') )
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require_once __ROOT__.DIRECTORY_SEPARATOR.'manager'.DIRECTORY_SEPARATOR.$match[1].'.php';
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}
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// sinon => DataBase, on le charge
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elseif( is_file(__ROOT__.DIRECTORY_SEPARATOR.'manager'.DIRECTORY_SEPARATOR.strtolower($className).'.php') )
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require_once __ROOT__.DIRECTORY_SEPARATOR.'manager'.DIRECTORY_SEPARATOR.strtolower($className).'.php';
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// else
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// var_dump('autoloaderFail');
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}
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spl_autoload_register('autoLoader', false, true);
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?>
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