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run code in 150+ php & hhvm versions
Bugs & Features
<?php set_error_handler(function($errno, $errstr) { $bt = debug_backtrace(); var_dump($errstr); }); $arr = [1, 2]; usort($arr, function($a, $b) use ($arr) { trigger_error('test'); return $a > $b; });
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(4) "test"
Output for 5.4.0 - 5.6.28
string(4) "test" string(59) "usort(): Array was modified by the user comparison function"
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/MuaiT on line 8
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/MuaiT on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/MuaiT on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/MuaiT on line 3
Process exited with code 255.