Php change sting to caps

Php string to uppwe

$lowercase = "this is lower case";
$uppercase = strtoupper($lowercase);

echo $uppercase;
// THIS IS LOWER CASE

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 ?
?>

Php change sting to caps

$lowercase = "this is lower case";
$uppercase = strtoupper($lowercase);

echo $uppercase;

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