3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $string="1001-sdfjh"; $matches=array(); $preg_match("/^\d{4}/", $string, $matches); print_r($matches); ?>
Output for 7.0.0 - 7.1.0
Notice: Undefined variable: preg_match in /in/7ttOl on line 6 Fatal error: Uncaught Error: Function name must be a string in /in/7ttOl:6 Stack trace: #0 {main} thrown in /in/7ttOl on line 6
Process exited with code 255.
Output for hhvm-3.12.0
Notice: Undefined variable: preg_match in /in/7ttOl on line 6 Fatal error: Uncaught Error: Function name must be a string in /in/7ttOl:6 Stack trace: #0 {main}
Process exited with code 255.
Output for 5.0.4 - 5.6.28, hhvm-3.10.0
Notice: Undefined variable: preg_match in /in/7ttOl on line 6 Fatal error: Function name must be a string in /in/7ttOl on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: preg_match in /in/7ttOl on line 6 Fatal error: Function name must be a string in /in/7ttOl on line 6
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Notice: Undefined variable: preg_match in /in/7ttOl on line 6 Fatal error: Call to undefined function: () in /in/7ttOl on line 6
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Notice: Undefined variable: preg_match in /in/7ttOl on line 6 Fatal error: Call to undefined function: () in /in/7ttOl on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Notice: Undefined variable: preg_match in /in/7ttOl on line 6 Fatal error: Call to undefined function: () in /in/7ttOl on line 6