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<?php $params = array('a', 'b', 'c'); $patterns = array_fill(0, count($params), '#\?#'); $replacements = $params; var_dump(preg_replace($patterns, $replacements, 'bla ? bla ? bla ? blu', 1));
Output for git.master, git.master_jit, rfc.property-hooks
string(21) "bla a bla b bla c blu"

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