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run code in 150+ php & hhvm versions
Bugs & Features
<?phpis_null();is_null(null);is_null(null, null);is_null(null, null, null);strpos();strpos(null);strpos(null, null);strpos(null, null, null);strpos(null, null, null, null);
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function phpis_null() in /in/U5t7H:1 Stack trace: #0 {main} thrown in /in/U5t7H on line 1
Process exited with code 255.
Output for hhvm-3.12.0
Fatal error: <?php directive must be followed by whitespace, newline, or EOF (Line: 1, Char: 5) syntax error, unexpected T_HH_ERROR, expecting $end in /in/U5t7H on line 1
Process exited with code 255.
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.6.28
Fatal error: Call to undefined function phpis_null() in /in/U5t7H on line 1
Process exited with code 255.
Output for 4.3.0 - 5.3.29
<?phpis_null();is_null(null);is_null(null, null);is_null(null, null, null);strpos();strpos(null);strpos(null, null);strpos(null, null, null);strpos(null, null, null, null);