PHP Tutorial

ARRAYS IN PHP

📚 PHP Arrays

Arrays in PHP are used to store multiple values in a single variable. Instead of using separate variables for every value, arrays group them together efficiently.

Example: A list of student names can be stored in an array instead of separate variables.

📌 Why Use Arrays?

To store multiple values under a single name
To loop through values easily
To manage related data efficiently

🧺 Types of Arrays

Indexed Array – uses numeric indexes
Associative Array – uses named keys
Multidimensional Array – contains arrays inside arrays

🔢 Indexed Array

<?php
$fruits = array("Apple", "Banana", "Mango");
echo $fruits[0]; // Apple
?>

🔠 Associative Array

<?php
$age = array("John" => 25, "Jane" => 30);
echo $age["Jane"]; // 30
?>

🔁 Multidimensional Array

<?php
$students = array(
  array("John", 20),
  array("Jane", 22)
);
echo $students[1][0]; // Jane
?>

🔄 Looping Through Arrays

<?php
$colors = array("Red", "Green", "Blue");
foreach ($colors as $color) {
  echo $color . "<br>";
}
?>

Tip: Arrays are the backbone of dynamic data storage in PHP — learn them well!

🛠️ Array Functions (Quick List)

count() – Get number of elements
array_push() – Add elements
array_merge() – Merge two arrays
array_keys() – Get keys
in_array() – Check if value exists

📌 Summary

Arrays store multiple values in one variable
They can be indexed, associative, or multidimensional
Easy to loop through and manipulate with array functions

Practice Idea: Try making a list of students with names and grades using associative arrays.

🌟 Enjoyed Learning with Us?

Help others discover Technorank Learning by sharing your honest experience.
Your support inspires us to keep building!

Leave a Google Review

Topics