PHP strtoupper() Function

PHP String Reference : Convert all characters to uppercase

Definition and Usage

The strtoupper() function converts a string to uppercase.

Note: This function is binary-safe.

Related functions:

strtolower() - converts a string to lowercase

lcfirst() - converts the first character of a string to lowercase

ucfirst() - converts the first character of a string to uppercase

ucwords() - converts the first character of each word in a string to uppercase

strtoupper(string)

Parameter	Description
string	Required. Specifies the string to convert

Return Value:	Returns the the uppercased string
PHP Version:	4+

❮ PHP String Reference

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