Returns string with all alphabetic characters converted to lowercase with optional encoding parameter. Test mb_strtolower online.
string mb_strtolower ( string $str [, string $encoding = mb_internal_encoding() ] )
PHP Documentation by the PHP Documentation Group
(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)
mb_strtolower — Make a string lowercase
en
$string
, string|null $encoding = null
) : string
Returns string
with all alphabetic characters converted to lowercase.
string
The string being lowercased.
encoding
The encoding
parameter is the character encoding. If it is omitted or null, the internal character
encoding value will be used.
string with all alphabetic characters converted to lowercase.
Example #1 mb_strtolower() example
<?php
$str = "Mary Had A Little Lamb and She LOVED It So";
$str = mb_strtolower($str);
echo $str; // Prints mary had a little lamb and she loved it so
?>
Example #2 mb_strtolower() example with non-Latin UTF-8 text
<?php
$str = "Τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός";
$str = mb_strtolower($str, 'UTF-8');
echo $str; // Prints τάχιστη αλώπηξ βαφής ψημένη γη, δρασκελίζει υπέρ νωθρού κυνός
?>
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