PHP urlencode() Function

The urlencode() function is an inbuilt PHP function used to encode the URL.

This function returns a string consisting of all non-alphanumeric characters except—_. It is replaced by the percent (%) sign, followed by two hex digits and spaces encoded as plus (+) signs.

Syntax:

string urlencode( $input )

Parameters:

This function accepts single parameter $input which is used to hold the url to be encoded.

Return Value:

This function returns an encoded string on success. Below programs illustrate the urlencode() function in PHP:

Example 1: This example shows the implementation of PHP urlencode() Function.

<?php

// PHP program to illustrate urlencode function
echo urlencode("https://geeksforgeeks.org/") . "\n";

?>

https%3A%2F%2F2.zoppoz.workers.dev%3A443%2Fhttps%2Fgeeksforgeeks.org%2F

Example 2: This example shows the implementation of PHP urlencode() Function.

<?php

// PHP program to illustrate urlencode function
echo urlencode("https://write.geeksforgeeks.org/") . "\n";
echo urlencode("https://practice.geeksforgeeks.org/") . "\n";
echo urlencode("https://geeksforgeeks.org/") . "\n";

?>

https%3A%2F%2F2.zoppoz.workers.dev%3A443%2Fhttps%2Fwrite.geeksforgeeks.org%2F
https%3A%2F%2F2.zoppoz.workers.dev%3A443%2Fhttps%2Fpractice.geeksforgeeks.org%2F
https%3A%2F%2F2.zoppoz.workers.dev%3A443%2Fhttps%2Fgeeksforgeeks.org%2F

PHP is a server-side scripting language designed specifically for web development. You can learn PHP from the ground up by following this PHP Tutorial and PHP Examples.