- var_dump: documentation ( source)
- array_diff: documentation ( source)
<?php
$array1 = array( 'post', 'page' );
$array2 = array( 'page', 'post' );
$equal = $array1 == $array2;
$strict = $array1 === $array2;
// Note: this will error in PHP 5.4 and lower (unsupported by WP)
$equivalent = empty( array_diff( $array1, $array2) );
var_dump( 'equal', $equal );
var_dump( 'strict', $strict );
var_dump( 'equivalent', $equivalent );