3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$str = "ryat\0".str_repeat('i',1024); $str = 'a\0../in'; var_dump(readlink($str));
Output for 7.1.25 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: readlink(): open_basedir restriction in effect. File(a\0../in) is not within the allowed path(s): (/tmp:/in:/etc) in /in/oCsKm on line 6 bool(false)
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.3.32 - 7.3.33, 7.4.33, 8.0.13
Warning: readlink(): No such file or directory in /in/oCsKm on line 6 bool(false)
Output for 7.1.20
Warning: readlink(): open_basedir restriction in effect. File(a\0../in) is not within the allowed path(s): (/tmp:/in) in /in/oCsKm on line 6 bool(false)
Output for 4.3.0 - 4.3.1
Warning: readlink() [http://www.php.net/function.readlink]: No such file or directory in /in/oCsKm on line 6 bool(false)

preferences:
232.11 ms | 401 KiB | 355 Q