How to Check If a Value Exists in an Array in PHP?
Learn how to efficiently check for the existence of a value in a PHP array. This comprehensive guide covers techniques using in_array() and isset() functions, and it's applicable to PHP Laravel.

In this comprehensive guide, we'll dive into the methods for checking if a value exists within a PHP array. Whether you're a beginner or an experienced PHP developer, this tutorial will provide valuable insights into efficiently determining value existence in arrays. We'll also demonstrate how to apply these techniques within PHP Laravel, a popular web application framework.
Topics covered include the use of the in_array()
and isset()
functions to efficiently check for value existence in PHP arrays. With practical examples and explanations, you'll gain a solid understanding of these essential PHP array operations.
By the end of this guide, you'll be equipped with the knowledge to confidently verify the presence of a value within PHP arrays, making it a valuable resource for your web development projects, including those built with PHP Laravel.
<?php
$array = ['id' => 1, 'name' => 'php', 'email' => '[email protected]'];
if (in_array('php', $array)) {
echo('Value is exists.');
} else {
echo('Value is not exists.');
}
?>