3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(strlen(file_get_contents(__FILE__))); var_dump(file_exists(__FILE__)); var_dump(file_exists(__FILE__ . '/x'));
Output for 7.4.33, 8.5.1 - 8.5.3
int(126) bool(true) bool(false)
Output for 7.4.0 - 7.4.32, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0
int(126) bool(true) Warning: file_exists(): open_basedir restriction in effect. File(/in/EYVGd/x) is not within the allowed path(s): (/tmp:/in:/etc) in /in/EYVGd on line 5 bool(false)
preferences:
82.01 ms | 1267 KiB | 4 Q