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<?php //$str = "ryat\0".str_repeat('i',1024); $str = "\0../in"; var_dump(readlink($str));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught ValueError: readlink(): Argument #1 ($path) must not contain any null bytes in /in/DMtsE:6 Stack trace: #0 /in/DMtsE(6): readlink('\x00../in') #1 {main} thrown in /in/DMtsE on line 6
Process exited with code 255.
Output for 5.4.40 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33
Warning: readlink() expects parameter 1 to be a valid path, string given in /in/DMtsE on line 6 NULL
Output for 5.2.3 - 5.2.17, 5.3.0 - 5.3.3, 5.4.0 - 5.4.39, 5.5.0 - 5.5.23, 5.6.0 - 5.6.7
Warning: readlink(): No such file or directory in /in/DMtsE on line 6 bool(false)
Output for 5.3.4 - 5.3.29
bool(false)
Output for 4.4.3 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.2
<br /> <b>Warning</b>: readlink() [<a href='function.readlink'>function.readlink</a>]: No such file or directory in <b>/in/DMtsE</b> on line <b>6</b><br /> bool(false)
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.2
<br /> <b>Warning</b>: readlink(): No such file or directory in <b>/in/DMtsE</b> on line <b>6</b><br /> bool(false)
Output for 4.3.0 - 4.3.1
<br /> <b>Warning</b>: readlink() [<a href='http://www.php.net/function.readlink'>function.readlink</a>]: No such file or directory in <b>/in/DMtsE</b> on line <b>6</b><br /> bool(false)

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214.03 ms | 401 KiB | 345 Q