3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php preg_match( '/d', '222', $matches); echo $matches[0]; // 1234
Output for 5.2.3 - 5.6.28, 7.0.0 - 7.1.0
Warning: preg_match(): No ending delimiter '/' found in /in/QkYrG on line 2
Output for hhvm-3.10.0 - 3.12.0
Warning: No ending delimiter '/' found: [/d] in /in/QkYrG on line 2
Output for 4.4.3 - 5.0.5, 5.1.1 - 5.2.2
<br /> <b>Warning</b>: preg_match() [<a href='function.preg-match'>function.preg-match</a>]: No ending delimiter '/' found in <b>/in/QkYrG</b> on line <b>2</b><br />
Output for 5.1.0
<br /> <b>Fatal error</b>: fatal flex scanner internal error--end of buffer missed in <b>/in/QkYrG</b> on line <b>3</b><br />
Process exited with code 255.
Output for 4.3.11 - 4.4.2
<br /> <b>Warning</b>: preg_match(): No ending delimiter '/' found in <b>/in/QkYrG</b> on line <b>2</b><br />
Output for 4.3.0 - 4.3.10
<br /> <b>Warning</b>: No ending delimiter '/' found in <b>/in/QkYrG</b> on line <b>2</b><br />