3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php preg_match( '/^\{(\d+*)\}/', '{1234} + {4568}', $matches); print_r($matches); // 1234
based on YtT1g
Output for 5.2.0 - 7.2.0
Warning: preg_match(): Compilation failed: nothing to repeat at offset 7 in /in/A1a3h on line 2
Output for 4.3.11 - 5.0.5, 5.1.1 - 5.1.6
Warning: preg_match(): Compilation failed: nothing to repeat at offset 7 in /in/A1a3h on line 2 Array ( )
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/A1a3h on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: nothing to repeat at offset 7 in /in/A1a3h on line 2 Array ( )