3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(strlen(file_get_contents(__FILE__))); var_dump(file_exists(__FILE__)); var_dump(file_exists(__FILE__ . '/x'));
Output for 7.4.0 - 7.4.32, 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
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)
Output for 7.4.33
int(126) bool(true) bool(false)
preferences:
109.4 ms | 407 KiB | 5 Q