<?php $array = array ( 'abc' => 'Test', 'def' => 'Variable', 'ghi' => 'Change' ); $string ='This is just a %!abc!% String and i wanna %!ghi!% the %!def!%'; $regexes = array_map(function ($k) { return "/" . preg_quote("%!$k!%") . "/"; }, array_keys($array)); $string = preg_replace($regexes, $array, $string); echo $string;
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