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<?php $a = ["รบรน" => "u"]; foreach($a as $k => $v); echo preg_replace('/['. $k . ']/', $v, $str);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $str in /in/PGu6m on line 6 Deprecated: preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in /in/PGu6m on line 6

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