3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $hexColor = '012'; echo implode('', array_map(function($color){ return str_repeat($color, 2); }, str_split($hexColor))); echo PHP_EOL; echo preg_replace("~([0-9a-f])~", "\\1\\1", $hexColor); echo PHP_EOL;
based on FmO4A
Output for 5.3.0 - 7.2.0
001122 001122
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/LENC7 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/LENC7 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/LENC7 on line 4
Process exited with code 255.