Taeluf.com

FormTools.php

<?php

class FormTools
{

    static public function uploadFile($file, $destinationFolder, $validExts = ['jpg', 'png'], $maxMB = 15)
    {
        if (!is_array($file) || $file == []
            || $file['size'] == 0
            || $file['name'] == ''
            || $file['tmp_name'] == ''
            || !is_int($file['error'])) {
            return false;
        }

        try {
            if (!isset($file['error']) ||
                is_array($file['error'])
            ) {
                throw new RuntimeException('Invalid parameters.');
            }

            switch ($file['error']) {
                case UPLOAD_ERR_OK:
                    break;
                case UPLOAD_ERR_NO_FILE:
                    throw new RuntimeException('No file sent.');
                case UPLOAD_ERR_INI_SIZE:
                case UPLOAD_ERR_FORM_SIZE:
                    throw new RuntimeException('Exceeded filesize limit.');
                default:
                    throw new RuntimeException('Unknown errors.');
            }

            // You should also check filesize here.
            if ($file['size'] > ($maxMB * 1024 * 1024)) {
                throw new RuntimeException('Exceeded filesize limit.');
            }

            $ext = pathinfo($file['name'], PATHINFO_EXTENSION);
            if (!in_array($ext, $validExts)) {
                // var_dump($ext);
                // var_dump($validExts);
                // var_dump($file);
                // exit;
                throw new RuntimeException('Invalid file format.');
            }

            if (!file_exists($destinationFolder)) {
                mkdir($destinationFolder, 0775, true);
            }

            $fileName = sha1_file($file['tmp_name']) . '.' . $ext;
            if (!move_uploaded_file(
                $file['tmp_name'],
                $destinationFolder . '/' . $fileName
            )
            ) {
                throw new RuntimeException('Failed to move uploaded file.');
            }

            return $fileName;

        } catch (RuntimeException $e) {

            throw $e;

        }
    }

}