upper case pghp code example

Example 1: php uppercase

//string to all uppercase
$string = "String with Mixed use of Uppercase and Lowercase";
//php string to uppercase
$string = strtoupper($string);
// = "STRING WITH MIXED USE OF UPPERCASE AND LOWERCASE"

Example 2: strtoupper in php

<?php
/* There is a function in php wich convert all string to uppercase */

  echo strtoupper("Hello samy! how are u ?"); 

// output :   HELLO SAMY! HOW ARE U ?
?>