3v4l.org

run code in 300+ PHP versions simultaneously
<?php $accessible = array('title', 'description', 'category_ids'); $attributes = array('id', 'title', 'description', 'permalink', 'author_id', 'category_ids', 'pippo'); print_r(array_intersect($accessible, $attributes)); print_r(array_intersect($attributes, $accessible));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Array ( [0] => title [1] => description [2] => category_ids ) Array ( [1] => title [2] => description [5] => category_ids )
preferences:
257.46 ms | 406 KiB | 399 Q