How to search for integers in associative array PHP
Associative arrays in PHP are versatile in the sense that they can store mixed data types as keys and values. Now if we have to filter out keys or values based on their data types, we have to search through the array to filter it. In this article, we’ll see a couple of options to search for integers in associative array PHP. So, let’s head straight to the topic. Option#1 - Search for integers in associative array using foreach loop Using a foreach loop is the first thing that comes to mind when we have an array to loop through. Here we’ll see how to use the foreach loop to search integer keys and values. Search for integer values in associative array using foreach loop In this example, we’ll use a foreach loop to iterate over an array and filter out integer values. <?php $arr = array( 0 => "Susan",…
