How to Remove String Values in PHP Array?

This tutorial focuses on removing string values from a PHP array using the array_filter() function. It provides a simple example demonstrating how to efficiently delete string values from an array in PHP. By leveraging the array_filter() function with a callback to is_numeric(), the tutorial illustrates the process of filtering out string values from the array, resulting in a modified array containing only numeric values.

How to Remove String Values in PHP Array?

In this article, we'll focus on removing string values from a PHP array. This example provides a straightforward approach to removing string values in a PHP array, enhancing your understanding of array manipulation in PHP. By following along with this example, you'll learn how to efficiently delete string values from an array in PHP.

We'll achieve this task using the array_filter() function, which enables us to filter array elements based on a callback function. Let's dive into the code snippet to see how it's implemented:

<?php
  
    $myArray = [1, "Two", 3, "Four", 5, "Six"];
      
    $newArray = array_filter($myArray, 'is_numeric');
      
    var_dump($newArray);
  
?>

Output:

array(3) {
  [0]=> int(1)
  [2]=> int(3)
  [4]=> int(5)
}

I hope this example helps you effectively remove string values from a PHP array.