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run code in 500+ PHP versions simultaneously
<?php var_dump(file_get_contents("\0"));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.8, 5.3.4 - 5.3.29
bool(false)
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: file_get_contents() expects parameter 1 to be a valid path, string given in /in/33O0B on line 3 NULL
Output for 5.2.9 - 5.2.17, 5.3.0 - 5.3.3
Warning: file_get_contents(): Filename cannot be empty in /in/33O0B on line 3 bool(false)
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
Fatal error: Uncaught ValueError: file_get_contents(): Argument #1 ($filename) must not contain any null bytes in /in/33O0B:3 Stack trace: #0 /in/33O0B(3): file_get_contents('\x00') #1 {main} thrown in /in/33O0B on line 3
Process exited with code 255.

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