mb_convert_case

mb_convert_case

Perform case folding on a string

string **mb_convert_case** string $string int $mode  $encoding

Performs case folding on a , converted in the way specified by . string``mode

string The being converted. string

mode The mode of the conversion. It can be one of , , , , , , , . MB_CASE_UPPER``MB_CASE_LOWER``MB_CASE_TITLE``MB_CASE_FOLD``MB_CASE_UPPER_SIMPLE``MB_CASE_LOWER_SIMPLE``MB_CASE_TITLE_SIMPLE``MB_CASE_FOLD_SIMPLE

encoding

A case folded version of converted in the way specified by . string``mode

Voorbeeld: example

<?php
$str = "mary had a Little lamb and she loved it so";
$str = mb_convert_case($str, MB_CASE_UPPER, "UTF-8");
echo $str, PHP_EOL;
$str = mb_convert_case($str, MB_CASE_TITLE, "UTF-8");
echo $str, PHP_EOL;
?>

Voorbeeld: example with non-Latin UTF-8 text

<?php
$str = "Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός";
$str = mb_convert_case($str, MB_CASE_UPPER, "UTF-8");
echo $str, PHP_EOL;
$str = mb_convert_case($str, MB_CASE_TITLE, "UTF-8");
echo $str, PHP_EOL;
?>

By contrast to the standard case folding functions such as and , case folding is performed on the basis of the Unicode character properties. Thus the behaviour of this function is not affected by locale settings and it can convert any characters that have 'alphabetic' property, such a-umlaut (ä). strtolower``strtoupper

For more information about the Unicode properties, please see . url.unicode.reports

mb_strtolower``mb_strtoupper``strtolower``strtoupper``ucfirst``ucwords