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<?php function addQuery($url,array $query) { $cache=parse_url($url,PHP_URL_QUERY); if(empty($cache)) return $url."?".http_build_query($query); else return $url."&".http_build_query($query); } $test=array("http://example.com/page/","http://example.com/page?page=er","http://example.com/?p=page"); print_r(array_map(function($v){ return addQuery($v,array("myquery"=>"string")); },$test));

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