note 102144 added to function.str-replace

say you want every "a" replaced by "abba" and every "b" replaced by "baab" in the string "ab" you do: $search = array("a","b"); $replace = array("abba","baab"); echo str_replace($search,$replace,"ab"); that results in "abaabbaababaab" and not the expected "abbabaab" I wrote this little snippet to solve the replacements-in-replacement problem: function search_replace($s,$r,$sql) { $e = '/('.implode('|',array_map('preg_quote', $s)).')/'; $r = array_combine($s,$r); return preg_replace_callback($e, function($v) use ($s,$r) { return $r[$v[1]]; },$sql); } echo search_replace($search,$replace,"ab"); that results in the expected "abbabaab" ---- Server IP: 213.249.64.162 Probable Submitter: 81.68.128.79 ---- Manual Page -- http://www.php.net/manual/en/function.str-replace.php Edit -- https://master.php.net/note/edit/102144 Del: integrated -- https://master.php.net/note/delete/102144/integrated Del: useless -- https://master.php.net/note/delete/102144/useless Del: bad code -- https://master.php.net/note/delete/102144/bad+code Del: spam -- https://master.php.net/note/delete/102144/spam Del: non-english -- https://master.php.net/note/delete/102144/non-english Del: in docs -- https://master.php.net/note/delete/102144/in+docs Del: other reasons-- https://master.php.net/note/delete/102144 Reject -- https://master.php.net/note/reject/102144 Search -- https://master.php.net/manage/user-notes.php