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<?php function array_replace_keys($array, $keys) { print_r($keys);die; foreach ($keys as $search => $replace) { if ( isset($array[$search])) { $array[$replace] = $array[$search]; unset($array[$search]); } } return $array; } $var = '[{"player":"Tiger Woods"},{"player":"Gary Player"}]'; $temp = json_decode($var, true); foreach ($temp as $k => &$v){ $v['golfer'] = $v['player']; unset($v['player']); } print_r($temp);
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Array ( [0] => Array ( [golfer] => Tiger Woods ) [1] => Array ( [golfer] => Gary Player ) )

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