How to Remove String Keys in PHP Array?

  PHP Script   Sep 19, 2023   0   392  Add to Reading List

Learn how to effortlessly eliminate string keys from PHP arrays in this concise tutorial. Discover a simple example of removing string keys in PHP arrays using practical insights and the array_filter() function.

How to Remove String Keys in PHP Array?

Welcome to a brief yet informative tutorial where we'll explore the process of removing string keys from PHP arrays with ease. Whether you're a PHP enthusiast or a seasoned developer, this article provides a step-by-step guide and practical examples on how to effectively remove string keys from PHP arrays.

Our approach involves leveraging the array_filter() function with the is_numeric and ARRAY_FILTER_USE_KEY parameters. By the end of this tutorial, you'll have the skills to seamlessly delete string keys from PHP arrays, making it a valuable addition to your array manipulation toolkit in PHP. Join us on this journey of array manipulation!

<?php

    $myArray = [1 => "One", "Two" => 2, 3 => "Three", "Four" => 4, 5 => "Five", "Six" => 6];

    $newArray = array_filter(
            $myArray,
            function ($k) { return is_numeric($k); },
            ARRAY_FILTER_USE_KEY
        );

        var_dump($newArray);
?>

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