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run code in 200+ php & hhvm versions
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<?php //$regex = '/(?P<function_name>.*?)\s*\((?P<parameters>.*?)\)\s*/i'; $regex = '/(?P<function_name>.+)\s*\((?P<parameters>[^)]+)/'; //$regex = '/(?P<function_name>.+)\s*\((?P<parameters>.*?)\)\s*/i/'; preg_match($regex, 'printr("abc", "assdd")', $matches); print_r($matches);
Output for 4.3.3 - 7.2.0
Array ( [0] => printr("abc", "assdd" [function_name] => printr [1] => printr [parameters] => "abc", "assdd" [2] => "abc", "assdd" )
Output for 4.3.0 - 4.3.2
Array ( [0] => printr("abc", "assdd" [1] => printr [2] => "abc", "assdd" )