3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php error_reporting(0); set_error_handler(function($a, $b, $c, $d) { echo 'error handler'; return false; }); trigger_error('error', E_USER_ERROR); ?>
based on 1e4bF
Output for 5.3.0 - 7.2.0
error handler
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/bLDPg on line 4
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/bLDPg on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/bLDPg on line 4
Process exited with code 255.