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<?php $repl = [ '033' => 'FY', '101' => 'CY', '143' => 'AY', '147' => 'GG', '175' => 'CA' ]; $locationabbrev = '033-101-143-147-175'; $arr = explode("-", $locationabbrev); Foreach($arr as &$val){ $val= $repl[$val]; } $result = implode("-", $arr); Echo $result;

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