strtoupper
(PHP 3, PHP 4 , PHP 5)
strtoupper -- Make a string uppercase
Description
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
(洎 will not be converted.
例子 1. strtoupper() example
<?php
$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
?>
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See also strtolower(), ucfirst(),
ucwords() and mb_strtoupper().