php key in array exists
<?php
$search_array = array('first' => null, 'second' => 4);
// returns false
isset($search_array['first']);
// returns true
array_key_exists('first', $search_array);
?>php key in array exists
<?php
$search_array = array('first' => null, 'second' => 4);
// returns false
isset($search_array['first']);
// returns true
array_key_exists('first', $search_array);
?>check if array value exists in another array php
$result = !empty(array_intersect($people, $criminals));Copyright © 2021 Codeinu
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