3v4l.org

run code in 300+ PHP versions simultaneously
<?php function error_handler($p_type, $p_error, $p_file, $p_line) { echo 'in handler: ', error_reporting(), PHP_EOL; } error_reporting(-1); echo error_reporting(), PHP_EOL; set_error_handler('error_handler'); date_default_timezone_set('');

preferences:
24.5 ms | 406 KiB | 5 Q