247 lines
7.9 KiB
PHP
247 lines
7.9 KiB
PHP
<?php
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/**
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* Created by PhpStorm.
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* User: lucas
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* Date: 20/02/18
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* Time: 20:30
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*/
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namespace database\repo;
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use database\core\Repo_i;
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class ue extends Repo_i {
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/* (1) Create a new UE
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*
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* @code<String> The code of the UE
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* @label<String> The UE label (name)
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* @required<bool> If the UE is required
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* @volumeCours<float> The UE required volume of COURSES
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* @volumeTD<float> The UE required volume of TD
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* @volumeTP<float> The UE required volume of TP
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* @disabled<bool> [OPT] If it is disabled
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* @defaultFormation<int> [OPT] If there is a foreign key for a default formation (if only one formation)
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*
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* @return created_code<String> Code of the created UE (NULL on error)
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*
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---------------------------------------------------------*/
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public function create(string $code, string $label, bool $required, float $volumeCours, float $volumeTD, float $volumeTP, bool $disabled = false, ?int $defaultFormation = null) : ?string {
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/* (1) Prepare request */
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$st = $this->pdo->prepare("INSERT INTO UE(`code`, `label`, `required`, `volumeCours`, `volumeTD`, `volumeTP`, `disabled`, `Formation_idFormation`)
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VALUE(:code, :label, :required, :volCours, :volTD, :volTP, :disabled, :idFormation) ");
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/* (2) Manage statement error */
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if( $st === false )
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return null;
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/* (3) Bind params and execute request */
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$success = $st->execute([
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':code' => $code,
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':label' => $label,
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':required' => $required ? 1 : 0,
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':volCours' => $volumeCours,
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':volTD' => $volumeTD,
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':volTP' => $volumeTP,
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':disabled' => $disabled ? 1 : 0,
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':idFormation' => $defaultFormation
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]);
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/* (4) Manage execution error */
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if( !$success )
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return null;
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/* (5) Return insert id */
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return $code;
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}
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/* (2) Updates an UE data
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*
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* @code<String> The UE code
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* @label<String> [OPT] The UE's new label
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* @required<bool> [OPT] Whether the UE is required
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* @volumeCours<float> [OPT] The UE's new volume of COURSES
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* @volumeTD<float> [OPT] The UE's new volume of TD
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* @volumeTP<float> [OPT] The UE's new volume of TP
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* @disabled<bool> [OPT] Whether the UE is disabled
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* @defaultFormation<int> [OPT] The default formation foreign key (-1 to unset)
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*
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* @return updated<bool> Whether the update have been successful
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*
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---------------------------------------------------------*/
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public function update(string $code, ?String $label, ?bool $required, ?float $volumeCours, ?float $volumeTD, ?float $volumeTP, ?bool $disabled, ?int $defaultFormation) : bool{
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/* (1) Build request */
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$build_rq = [];
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$bind_param = [ ':code' => $code ];
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if( !is_null($label) ){ $build_rq[] = '`label` = :label'; $bind_param[':label'] = $label; }
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if( !is_null($required) ){ $build_rq[] = '`required` = :required'; $bind_param[':required'] = $required?1:0; }
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if( !is_null($volumeCours) ){ $build_rq[] = '`volumeCours` = :volumeCours'; $bind_param[':volumeCours'] = $volumeCours; }
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if( !is_null($volumeTD) ){ $build_rq[] = '`volumeTD` = :volumeTD'; $bind_param[':volumeTD'] = $volumeTD; }
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if( !is_null($volumeTP) ){ $build_rq[] = '`volumeTP` = :volumeTP'; $bind_param[':volumeTP'] = $volumeTP; }
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if( !is_null($disabled) ){ $build_rq[] = '`disabled` = :disabled'; $bind_param[':disabled'] = $disabled?1:0; }
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// not null @defaultFormation -> set it
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if( !is_null($defaultFormation) ){
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// if @defaultFormation is (-1) -> unset
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if( $defaultFormation < 0 ){ $build_rq[] = '`Formation_idFormation` = NULL'; }
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// else -> set to new value
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else{ $build_rq[] = '`Formation_idFormation` = :defaultFormation'; $bind_param[':defaultFormation'] = $defaultFormation; }
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}
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/* (2) ERROR if no updated field */
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if( count($build_rq) <= 0 )
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return FALSE;
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/* (3) Build request */
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$sql_rq = "UPDATE `UE` SET ".implode(', ', $build_rq)." WHERE `code` = :code";
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/* (4) Prepare statement */
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$st = $this->pdo->prepare($sql_rq);
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/* (5) Return execution success */
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return $st->execute($bind_param);
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}
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/* (3) Deletes an UE
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*
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* @code<String> The UE code
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*
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* @return deleted<bool> Whether the UE have been deleeted successfully
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*
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---------------------------------------------------------*/
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public function delete(string $code) : bool {
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/* (1) Prepare statement */
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$st = $this->pdo->prepare('DELETE FROM UE WHERE code = :code');
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/* (2) Manage error */
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if( $st === false )
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return false;
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/* (3) Bind params and execute request */
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return $st->execute([ ':code' => $code ]);
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}
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/* (4) Disables an UE
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*
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* @code<String> The UE code
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*
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* @return disabled<bool> Whether the UE have been disabled successfully
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*
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---------------------------------------------------------*/
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public function disable(string $code) : bool {
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return $this->update($code, null, null, null, null, null, true, null);
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}
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/* (5) Enables an UE
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*
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* @code<String> The UE code
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*
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* @return enabled<bool> Whether the UE have been enabled successfully
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*
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---------------------------------------------------------*/
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public function enable(string $code) : bool {
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return $this->update($code, null, null, null, null, null, false, null);
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}
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/* (6) Gets a UE by its code || getAll
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*
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* @code<String> [OPT] The UE code, if not set, getAll()
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*
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* @return ues<array> The UEs matching code (NULL on error)
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*
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---------------------------------------------------------*/
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public function get(?String $code=null) : array{
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/* (1) Manage if no id given */
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$cond = is_null($code) ? '' : 'WHERE `code` = :code';
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$parm = is_null($code) ? [] : [':code' => $code];
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/* (2) Prepare Statement */
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$this->pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
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$st = $this->pdo->prepare("SELECT ue.code, ue.label, ue.disabled, ue.required, ue.volumeCours, ue.volumeTD, ue.volumeTP, IFNULL(ue.Formation_idFormation, -1) idForm, f.labelFormation labelForm
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FROM `UE` ue
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LEFT JOIN Formation f ON ue.Formation_idFormation = f.idFormation
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$cond
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ORDER BY `ue`.`label` ASC");
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/* (3) Bind params and execute statement */
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if( is_bool($st) ) return [];
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$success = $st->execute($parm);
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/* (4) Manage error */
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if( !$success )
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return [];
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/* (5) Get data */
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$fetched = $st->fetchAll();
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/* (6) Return [] on no result */
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if( $fetched === false )
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return [];
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/* (7) Return data */
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return $fetched;
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}
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/* (7) Gets all professors who teaches a UE by code
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*
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* @code<String> The UE code
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*
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* @return professors<array> The professors' UID matching the @code of the UE
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*
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---------------------------------------------------------*/
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public function getProfessors(String $code) : array{
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/* (1) Prepare statement */
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$st = $this->pdo->prepare("SELECT p.idProfesseur
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FROM Professeur p, UE u
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WHERE (
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p.idProfesseur IN ( SELECT p_cr.idProfesseur FROM Professeur p_cr, Cours c WHERE c.Professeur_idProfesseur = p_cr.idProfesseur AND c.UE_code = u.code )
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OR p.idProfesseur IN ( SELECT p_td.idProfesseur FROM Professeur p_td, TD t WHERE t.Professeur_idProfesseur = p_td.idProfesseur AND t.UE_code = u.code )
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OR p.idProfesseur IN ( SELECT p_tp.idProfesseur FROM Professeur p_tp, TP t WHERE t.Professeur_idProfesseur = p_tp.idProfesseur AND t.UE_code = u.code )
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)
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AND u.code = :ue_code;");
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/* (2) Bind params and execute statement */
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if( is_bool($st) ) return [];
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$success = $st->execute([ ':ue_code' => $code ]);
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/* (3) Manage error */
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if( !$success )
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return [];
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/* (4) Get data */
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$fetched = $st->fetchAll();
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/* (5) Return [] on no result */
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if( $fetched === false )
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return [];
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/* (6) Return data */
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return $fetched;
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}
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} |