PHP strtoupper() Function

In this chapter you will learn:

1. Definition for PHP strtoupper() Function
2. Syntax for PHP strtoupper() Function
3. Parameter for PHP strtoupper() Function
4. Return for PHP strtoupper() Function
5. Example - Convert string to uppercase

Definition

The strtoupper() function converts string to uppercase.

Syntax

PHP strtoupper() Function has the following syntax.

Parameter

str is the string value we want to convert.

Return

PHP strtoupper() function returns the string in uppercase.

Example

Convert string to uppercase

<?PHP/*from   ja v  a 2  s. c  o m*/
$string = "PHP from java2s.com"; 
$a = strtoupper($string); 
print($a);
?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

1. Definition for PHP strtr() Function
2. Syntax for PHP strtr() Function
3. Parameter for PHP strtr() Function
4. Return for PHP strtr() Function
5. Note for PHP strtr() Function
6. Example - Replace the characters "jav" in the string with "PHP"
7. Example - Replace the string "Hello world" with "Hi java2s.com"

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