<?php $array1 = ['keep', 'remove', 'save', 'keep', 'save', 'delete']; $array2 = ['hold', 'remove', 'keep', 'retain', 'keep', 'delete']; $map = array_combine($array1,$array2); $map = array_filter($map ,function ($item) use (&$map) { $keep_data = ($item != key($map)); next($map); return $keep_data; }); $clean1 = array_keys($map); $clean2 = array_values($map); var_export($clean1); echo "<br />"; var_export($clean2);
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