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PHP strtoupper() function with example
By IncludeHelp Last updated : December 27, 2023
PHP strtoupper() function
The strtoupper() function is a string function it accepts the string and returns an uppercase string.
Syntax
The syntax of the strtoupper() function:
strtoupper(string);
Parameters
The parameters of the strtoupper() function:
- string: An input parameter.
Sample Input/Output
Input: "This is my COMPUter!"
Output: "THIS IS MY COMPUTER!"
Example of PHP strtoupper() Function
<?PHP
$str = "This is my COMPUter!";
echo (strtoupper($str));
?>
Output
The output of the above example is:
THIS IS MY COMPUTER!
To understand the above example, you should have the basic knowledge of the following PHP topics: