<?php $options = array( 'index1' => 'html', 'index2' => 'html', 'index3' => 'slide', 'index4' => 'tab', 'index5' => array(123), ); $lookfor = array('html', 'slide'); var_export(array_uintersect($options, $lookfor, fn($a, $b) => $a <=> $b));
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