3v4l.org

run code in 300+ PHP versions simultaneously
<?php $regex = '~ function #function keyword \s* #any number of whitespaces (?P<function_name>.*?) #function name itself \s* #optional white spaces (?P<parameters>\(.*?\)) #function parameters \s* #optional white spaces (?P<body>\{.*?\}) #body of a function ~six'; preg_match_all($regex, 'printr(abc,assdd)', $matches); print_r($matches);

preferences:
33.99 ms | 402 KiB | 5 Q