LesRecettesDePapis/src/Helpers/UploadFiles.php

<?php

namespace App\Helpers;

use App\Http\Router;
use App\Kernel;

class UploadFiles {

    const array IMAGE_MIME_TYPES = [ 'image/png', 'image/jpeg' ];

    public static function uploadFolderPath(){
        return APP_ROOT . 'public/uploads/';
    }
    public static function uploadFolderUri(){
        return Kernel::$configs['general']['website_url'] . 'uploads/';
    }

    /**
     * @param string $fileName
     * @param array $allowedMimeTypes Les mimes types autorisés pour ce fichier. Une liste vide n'a pas de restriction de mime type.
     *
     * @return string|int
     *
     * 1: Pas de fichier $fileArg
     * 2: Erreur dans le fichier
     * 3: Déjà existant.
     * 4: Erreur dans le déplacement.
     * 5: Erreur dans le mimetype.
     */
    public static function uploadFile( string $fileArg, array $allowedMimeTypes = [] ): string|int {

        if( !isset( $_FILES[ $fileArg ] ) )
            return 1;

        $file = $_FILES[ $fileArg ];
        if( $file['error'] != 0 )
            return 2;

        $tempFileName = $file['tmp_name'];
        $fileName = $file['name'];

        if( $allowedMimeTypes !== [] ){
            if( !in_array( $file['type'], $allowedMimeTypes ) )
                return 5;
        }

        $full_name = self::uploadFolderPath() . $fileName;
        $full_uri = self::uploadFolderUri() . $fileName;

        if( file_exists( $full_name ) )
            return 3;

        if( !move_uploaded_file($tempFileName, $full_name) )
            return 4;

        return $full_uri;
    }

}