Skip to main content

Posts

Showing posts from August, 2025

Understanding PHP Array Length with Practical Examples

PHP Array Length - How to Get Length of Array in PHP PHP Array Length – How to Get Length of Array in PHP When working with PHP, arrays are one of the most powerful and widely used data structures. Whether you are building a small project or a large-scale web application, knowing how to get length of array in PHP is crucial. In this article, we'll cover everything you need to know about finding the array length using different functions, best practices, and performance tips. What is an Array in PHP? An array in PHP is a special variable that can store multiple values under a single name. Instead of creating multiple variables, arrays help you organize and manipulate data efficiently. Arrays can be of three types: Indexed Arrays – arrays with numeric keys starting from 0. Associative Arrays – arrays with named keys. Multidimensional Arrays – arrays containing other ...

in_array PHP Explained: How to Check Values in Arrays Like a Pro

in_array PHP – Complete Guide with Examples and Outputs in_array PHP – Complete Guide with Examples and Outputs The in_array PHP function is used to check if a given value exists in an array. It is one of the most commonly used array functions in PHP and works with both indexed and associative arrays. Syntax of in_array PHP in_array(mixed $needle, array $haystack, bool $strict = false): bool $needle – The value to search for. $haystack – The array to search in. $strict – If true , the function also checks the type of the value. Example 1: Basic Indexed Array <?php $fruits = ["Apple", "Banana", "Mango"]; if (in_array("Banana", $fruits)) { echo "Banana is in the list."; } else { echo "Banana is not in the list."; } ?> Output: Banana is in the list. Example 2: Associative Array <?php $person = [ "name" => "John", ...

Mastering foreach as PHP: The Complete Guide for Beginners and Experts

foreach as php — 5 Real-World Examples You Can Use Today foreach as php — 5 Real-World Examples You Can Use Today The foreach loop in PHP (using the as keyword) is the easiest way to iterate arrays and objects. Below are five clear, Blogger-friendly examples (each code block is escaped so it displays correctly in the post). 1) Indexed Array (simple list) Use this when you have a plain numeric-indexed array. <?php $fruits = ["Apple", "Banana", "Cherry"]; foreach ($fruits as $fruit) { echo $fruit . "<br>"; } ?> 2) Associative Array (key => value) Great for mapping keys to values (like name => age). <?php $person = [ "name" => "John", "age" => 25, "city" => "New York" ]; foreach ($person as $key => $value) { echo $key . ": " . $value . "<br...

php array types Explained with Practical Examples

php array types php array types Working with arrays in PHP? You'll quickly discover there are different php array types that serve different purposes. Let me break them down in simple terms with practical examples. The 3 Essential php array types 1. Indexed Arrays (Numbered Lists) These are your basic ordered lists where PHP automatically assigns numeric indexes: $colors = ['red', 'green', 'blue']; // Access with: echo $colors[0]; // Outputs "red" Perfect for simple ordered collections where position matters. 2. Associative Arrays (Key-Value Pairs) When you need named keys instead of numbers: $user = [ 'name' => 'Jamie', 'email' => 'jamie@example.com', 'active' => true ];...