php convert to uppercase code example

Example 1: php string to uppwe

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

echo $uppercase;
// THIS IS LOWER CASE

Example 2: 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 3: upppercase php

$str = "upper";
//php string to uppercase
echo strtoupper($str); // => UPPER

Example 4: strtoupper php

string strtoupper ( $string )

Example 5: strtoupper

<?php
echo strtoupper("Hello WORLD!");
?>

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Php Example