3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo preg_replace('/[a-z]/g', '$1', 'abc')
Output for 5.4.0 - 5.4.23
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/PHnul on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected $end, expecting ',' or ';' in /in/PHnul on line 3
Process exited with code 255.