PHP: strtoupper() function
PHP: Make a string uppercase
The strtoupper() function is used to convert all alphabetic characters of a string to uppercase.
Version:
(PHP 4 and above)
Syntax:
strtoupper(string1)
Parameter:
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| string1 | The input string. | Required | String |
Return value:
The uppercased string.
Value Type: String.
Pictorial Presentation
Example of php strtoupper() function
<?php
$string1="Welcome to w3resource.com";
echo strtoupper($string1);
?>
Output:
WELCOME TO W3RESOURCE.COM
View the example in the browser
See also
Previous: strtolower
Next: strtr
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https://www.w3resource.com/php/function-reference/strtoupper.php
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