How to search by key=>value in a multidimensional array in PHP

Question

Is there any fast way to get all subarrays where a key value pair was found in a multidimensional array? I can\'t say how deep the array will be.

Simple example arra

Answer 1

Here is solution:

");
$students['ter1003']['birthplace'] = ("San Juan 
");
$students['fgg1003']['birthplace'] = ("Quezon City 
");
$students['bdf1003']['birthplace'] = ("Manila 
");

$key = array_search('Delata Jona', array_column($students, 'name'));
echo $key;  

?>