PHP String Functions
strtoupper() Function
Definition and Usage
The strtoupper() function converts a string to uppercase.
Syntax
strtoupper(string)
| Parameter | Description |
|---|---|
| string | Required. Specifies the string to reverse |
Example
Convert all characters to uppercase:
<?php
echo strtoupper("Hello WORLD!");
?>
echo strtoupper("Hello WORLD!");
?>