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Understanding PHP Array Length with Practical Examples

php array length — How to Get Array Size in PHP (Simple Guide) php array length When working with arrays in PHP, one of the most common questions is: how do I get the PHP array length? In PHP, "array length" usually means the number of elements inside an array. This short guide explains the standard functions and a few helpful tips so you can use php array length correctly in your projects. Primary ways to get PHP array length The most common functions are count() and sizeof() . They behave the same for arrays: 1) count() count() returns the number of items in an array (or properties in an object that implements Countable). <?php $items = ['apple', 'banana', 'cherry']; echo count($items); // outputs: 3 ?> 2) sizeof() sizeof() is an alias of count() . Use either one; most developers prefer count() for clarity. <?php $items = ['a...

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 ];...