chindit

<?php
/**
 * Clean a string and return it with only letters, numbers, «.», «-» and «_»
 * Spaces are replaced by «_»
 */
    public function cleanName(string $filename) : string
    {
        return preg_replace("/[^.a-zA-Z0-9_-]+/", "",
            transliterator_transliterate('Any-Latin;Latin-ASCII;',
                str_replace(' ', '_', $filename)));

chindit

<?php
declare(strict_types=1);


final class ImageFactory
{
    public static function getResource(string $filePath): \GdImage
    {
        if (!is_file($filePath)) {
            throw new IOException('File «' . $filePath . '» was not found');

chindit

<?php
declare(strict_types = 1);
/**
 * Created by PhpStorm.
 * User: david
 * Date: 15/02/2017
 * Time: 08:01
 */

namespace AppBundle\Services;