strtoupper
(PHP 4, PHP 5, PHP 7)
strtoupper — Make a string uppercase
Description
$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.
Examples
Example #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
?>
See Also
- strtolower() - Make a string lowercase
- ucfirst() - Make a string's first character uppercase
- ucwords() - Uppercase the first character of each word in a string
- mb_strtoupper() - Make a string uppercase
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/nl/en/php-rf-function.strtoupper.html
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References
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