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run code in 300+ PHP versions simultaneously
<?php $a = array ( 'nurse' => array ( 'skill' => ' gfgfgfdNurse Practitioner', ), 'Nurse Practitioner' => array ( 'skill' => ' gfgfgfdNurse Practitioner', ), ); $c = []; array_walk($a, function(&$v, $k){ $v['new'] = &$v['skill']; unset($v['skill']); }); echo '<pre>'; print_r($a);

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133.46 ms | 405 KiB | 5 Q