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<?php |
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namespace core\images; |
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use core\App; |
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class Images { |
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//initialisée pour le bon fonctionnement de la class |
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private $autorized_extention = array("jpg", "png", "jpeg", "gif", "JPG", "PNG", "JPEG", "GIF"); |
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private $erreur; |
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//var init dans constructeur |
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private $poid_max; |
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private $width_max; |
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private $height_max; |
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private $dossier_image; |
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private $old_image; |
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private $chemin_image; |
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private $image; |
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private $nom_image; |
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//-------------------------- CONSTRUCTEUR ----------------------------------------------------------------------------// |
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/** |
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* Recoit un tableau contenant les parametres pour la/les images qui vont être upload |
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* index du tableau |
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* - poid_max de l'img |
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* - width_max de l'img |
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* - height_max de l'img |
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* - dossier_image dans lequel se trouve l'ancienne et ou se trovera la nouvelle |
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* @param $parameter = array() |
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*/ |
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public function __construct($parameter) { |
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$this->poid_max = $parameter[0]; |
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$this->width_max = $parameter[1]; |
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$this->height_max = $parameter[2]; |
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$this->dossier_image = $parameter[3]; |
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} |
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//-------------------------- FIN CONSTRUCTEUR ----------------------------------------------------------------------------// |
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//-------------------------- GETTER ----------------------------------------------------------------------------// |
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public function getOldImage() { |
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return $this->old_image; |
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} |
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public function getCheminImage() { |
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return $this->chemin_image; |
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} |
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public function getErreur() { |
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return $this->erreur; |
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} |
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public function getNomImage() { |
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return $this->nom_image; |
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} |
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private function getImage() { |
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if ($this->chemin_image != "") { |
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$explode = explode("/", $this->chemin_image); |
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$this->image = end($explode); |
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return $this->image; |
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} |
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else { |
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$this->erreur = "Impossible de trouver votre image, vuellez réessayer dans un instant"; |
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return false; |
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} |
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} |
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//-------------------------- FIN GETTER ----------------------------------------------------------------------------// |
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//-------------------------- SETTER ----------------------------------------------------------------------------// |
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/** |
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* fonction qui permet d'upload une image sur le serveur |
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* @param $old_image_req |
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* @param int $autorize_empty |
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* @param int $delete_old_img |
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* @return null|boolean -> renvoi false si err sinon renvoi le chemin vers l'img |
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*/ |
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public function setEnvoyerImage($name, $old_image_req = null, $autorize_empty = 1, $delete_old_img = 1) { |
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$dbc = App::getDb(); |
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$this->old_image = null; |
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$this->chemin_image = null; |
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$this->nom_image = null; |
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$image = $_FILES[$name]['name']; |
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if ((empty($_FILES[$name]['name'])) && ($autorize_empty == 0)) { |
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$this->erreur = "Vous devez obligatoirement ajouter une image"; |
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return false; |
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} |
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else { |
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//test si il y a deja une img |
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if ($old_image_req != null) { |
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$query = $dbc->query($old_image_req); |
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if ((is_array($query)) && (count($query) > 0)) { |
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foreach ($query as $obj) { |
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$this->old_image = $obj->$name; |
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} |
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} |
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} |
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//recuperation info sur img |
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$uniqid = uniqid(); |
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$infos_img = getimagesize($_FILES[$name]['tmp_name']); |
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if ((!in_array(substr($image, -3), $this->autorized_extention)) || (($infos_img[0] >= $this->width_max) && ($infos_img[1] >= $this->height_max) && ($_FILES[$name]['size'] >= $this->poid_max))) { |
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$this->erreur = "Problème dans les dimensions, taille ou format (extension) de l'image."; |
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return false; |
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} |
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else if (move_uploaded_file($_FILES[$name]['tmp_name'], $this->dossier_image."/".$uniqid.substr($image, -4))) { |
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$imageok = $uniqid.substr($image, -4); |
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$urlimg = $this->dossier_image."/$imageok"; |
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$this->chemin_image = $urlimg; |
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$this->nom_image = $imageok; |
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if (($delete_old_img == 1) && ($this->old_image != "") && (!empty($_FILES[$name]['name']))) { |
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$this->setDeleteImage(); |
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} |
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return true; |
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} |
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else { |
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$this->erreur = "Impossible d'envoyer votre image sur le serveur, veuillez réessayer dans une instant, si l'erreur se reproduit, contactez votre administrateur"; |
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} |
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} |
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} |
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/** |
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* fonction qui permet de resize des images en fonction d'une taille et d'une hauteur donnée |
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* si $req_img == null, on prend l'image active dans la class via chemin_image |
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* @param $width |
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* @param $height |
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* @param $prefixe |
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* @param null $req_img |
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* @return string |
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*/ |
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public function setResizeImage($width, $height, $prefixe, $delete_old = 1, $req_img = null) { |
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if (($req_img == null) && ($this->chemin_image != "")) { |
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$this->getImage(); |
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$resize = new Resize($this->chemin_image); |
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$resize->resizeImage($width, $height, 'crop'); |
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$img_resize = $prefixe."_".$this->image; |
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$resize->saveImage($this->dossier_image."/".$img_resize, 100); |
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$this->nom_image = $img_resize; |
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} |
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else { |
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$this->nom_image = null; |
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} |
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if (($delete_old == 1) && ($req_img == null) && ($this->chemin_image != "")) { |
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unlink($this->chemin_image); |
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} |
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} |
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/** |
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* fonction qui permet de supprimer une image en fonction d'une requete ou de la variable old_image |
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* @param null|string $nom_image |
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* @return boolean|null |
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*/ |
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public function setDeleteImage($nom_image = null) { |
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//si pas de requete et qu'on a une old_img on la supprime |
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if (($this->old_image != "") && ($nom_image === null)) { |
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$old_image = explode("/", $this->old_image); |
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if (end($old_image) !== "defaut.png") { |
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unlink($this->dossier_image."/".end($old_image)); |
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return true; |
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} |
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} |
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else if (($nom_image !== null) && (unlink($this->dossier_image."/".$nom_image))) { |
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return true; |
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} |
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else { |
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$this->erreur = "Impossible de supprimer cette image, veuillez réesayer dans un instant, sinon contacter l'administrateur de votre site"; |
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return false; |
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} |
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} |
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//-------------------------- FIN SETTER ----------------------------------------------------------------------------// |
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} |