Online PHP editor | output for 5Y6dU

<?php $string = explode(',', $string); foreach ($string as $key => $val) $string[$key] = trim($string[$key]); $arrKeywords = explosion(",", $strKeywords) foreach($arrKeywords as $index => $word) $arrKeywords[$index] = trim($word); //$regex = '/(?P<function_name>.*?)\s*$(?P<parameters>.*?)$\s*/i'; $regex = '/(?P<function_name>.+)\s*$(?P<parameters>[^)]+)\s*/i'; //$regex = '/(?P<function_name>.+)\s*\((?P<parameters>.*?)$\s*/i/'; preg_match($regex, 'HOUR(`date`, `abc1234`)', $matches); print_r($matches); $params = explode(',', $matches['parameters']); $params = array_map('trim', $params); var_dump($params); $chars = array_fill(0, count($params), '` '); $params2 = array_map('trim', $params, $chars); print_r($params2);