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<?php $addr = "http://www.example.com/?pk_lol=VAgin&utm_campaign=printemps&utm_medium=e-mail&utm_source=newsletter1&utm_content=lien-en-haut"; $source = array ('utm_campaign=', 'utm_medium=', 'utm_source='); $pattern ="/({$source[0]}.[^&]+)&({$source[1]}.[^&]+)&({$source[2]}.[^&]+)&/"; preg_match($pattern, $addr, $result); foreach (range(0,2) as $i) { echo substr($result[$i+1], strlen($source[$i])); } print_r($result);

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