<?php function array_flip_keys($array, $x, $y) { if(array_key_exists($x, $array) && array_key_exists($y, $array)) { $result = []; foreach($array as $key=>$value) { switch($key) { case $x: $result[$y]=$array[$y]; continue; case $y: $result[$x]=$array[$x]; continue; default: $result[$key]=$value; } } return $result; } return $array; } $array = ['foo', 'bar', 'baz', 'feo']; var_dump(array_flip_keys($array, 3, 0));
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