mb_strtoupper

(PHP 4 >= 4.3.0, PHP 5, PHP 7)
Make a string uppercase
string mb_strtoupper ( string $str [, string $encoding = mb_internal_encoding() ] )

Returns str with all alphabetic characters converted to uppercase.

Parameters:
str

The string being uppercased.

encoding

The encoding parameter is the character encoding. If it is omitted, the internal character encoding value will be used.

Returns:

str with all alphabetic characters converted to uppercase.

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

mb_strtoupper() example with non-Latin UTF-8 text
<?php
$str = "Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός";
$str = mb_strtoupper($str, 'UTF-8');
echo $str; // Prints ΤΆΧΙΣΤΗ ΑΛΏΠΗΞ ΒΑΦΉΣ ΨΗΜΈΝΗ ΓΗ, ΔΡΑΣΚΕΛΊΖΕΙ ΥΠΈΡ ΝΩΘΡΟΎ ΚΥΝΌΣ
?>

See also:

mb_strtolower() -

mb_convert_case() -

strtoupper() -

doc_php
2016-02-24 15:58:30
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