3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function isValidFileName($fileName) { if(!preg_match('/(^[a-zA-Z0-9\.\-\s_]+)\.(jpg|gif|png|bmp)$/i', $fileName)) { return false; } return true; } echo (isValidFileName("file1.jpg"));
Output for 5.6.0 - 5.6.30, hhvm-3.12.14 - 3.17.3, 7.0.0 - 7.3.0alpha1
1