<?php $var = '[{"player":"Tiger Woods"},{"player":"Gary Player"}]'; $temp = json_decode($var, true); function json_change_key($arr, $oldkey, $newkey) { $json = str_replace('"'.$oldkey.'":', '"'.$newkey.'":', json_encode($arr)); return json_decode($json, true); } $temp = json_change_key($temp, 'player', 'golfer'); print_r($temp);
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