PHP Check If Array Has Duplicate Values

  PHP Script   Sep 18, 2023   0   432  Add to Reading List

Learn how to identify duplicate values within a PHP array, ensuring data consistency and uniqueness in your code.

PHP Check If Array Has Duplicate Values

PHP Check If Array Has Duplicate Values

In this tutorial, I'll demonstrate how to check for duplicate values within a PHP array, helping you grasp the concept of identifying identical values within an array. You'll gain insights into determining whether PHP arrays share common values. If you're wondering how to check for duplicate values within a PHP Laravel array, I'll provide you with a straightforward example and solution.

We'll employ PHP's `count()` and `array_unique()` functions to efficiently check for duplicate values within an array. So, let's dive into the straightforward code that showcases how to identify duplicate values in a PHP array.


<?php

$myArray = ['One', 'Two', 'Three', 'Two', 'Five', 'Three', 'One'];

if (count($myArray) !== count(array_unique($myArray))) {
    var_dump("The array contains duplicate values.");
} else {
    var_dump("The array does not contain duplicate values.");
}

?>

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