PHP | strtoupper() Function

PHP strtoupper() Function

Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP strtoupper() Function.

The built-in strtoupper() function converts a string to uppercase.

Note: This function is binary-safe.


Following below is the syntax to use this function -

string strtoupper ( string $string )

Parameter Details

Sr.NoParameters & Description


It specifies the string to convert

Return Value

This function returns the uppercase string.


Try out the example below -

   echo strtoupper("web design tutorialz.");


When the above code is executed, it will produce the following result -


Alright guys! This is where we are going to be rounding up for this tutorial post. In our next tutorial, we will be studying about the PHP strtr() Function.

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