3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo (!preg_match("/^[a-z-]+$/i", $string)) 'false' : 'true';
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected ''false'' (T_CONSTANT_ENCAPSED_STRING), expecting ',' or ';' in /in/nqqV9 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING, expecting ',' or ';' in /in/nqqV9 on line 2
Process exited with code 255.