How to change array index in PHP?

1.	How to change array index in PHP?
Answer» $array = array('1' => 'best', '2' => 'interview', '3' => 'question') $array[3] = $array[5]; unset($array[3]); // OUTPUT array('1' => 'best', '2' => 'interview', '5' => 'question')

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