3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php set_error_handler(function($errno, $errstr) { $bt = debug_backtrace(); var_dump($errstr); }); $displays = array( array( 'position' => 1, ), array( 'position' => NULL, ), ); // Sort the displays. uasort($displays, function ($display1, $display2) { if ($display1['position'] != $display2['position']) { trigger_error('test'); return $display1['position'] < $display2['position'] ? -1 : 1; } return 0; });
Output for 5.3.0, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(4) "test"
Output for 5.3.1 - 5.6.28
string(4) "test" string(60) "uasort(): Array was modified by the user comparison function"
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/Sgvv6 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/Sgvv6 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/Sgvv6 on line 3
Process exited with code 255.