3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo( $arg ) { echo "exception callback" . PHP_EOL; } set_exception_handler( 'foo' ); function bar( $arg ) { throw new Exception( 'fail here' ); } ob_start( 'bar' ); echo "start" . PHP_EOL; ob_flush(); echo "continue" . PHP_EOL; ob_flush(); echo "done";

preferences:
23.01 ms | 406 KiB | 5 Q