» Tutorials » Php » How to strtoupper function works?

How to strtoupper function works?

 Published April 23,2010 in PHP

string strtoupper ( string string )
 

Returns string with all alphabetic characters converted to uppercase.

 

Note that 'alphabetic' is determined by the current locale. For instance, in the default "C" locale characters such as umlaut-a (ä) will not be converted.

 

Example 1. strtoupper() example

 

$str = "Mary Had A Little Lamb and She LOVED It So";
$str = strtoupper($str);
echo $str; // Prints MARY HAD A LITTLE LAMB AND SHE LOVED IT SO
?>

 

Note: This function is binary-safe.



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