strtolower
(PHP 4, PHP 5)
strtolower — Make a string lowercase
Description
string strtolower
( string $str
)
Returns string with all alphabetic characters converted to lowercase.
Note that 'alphabetic' is determined by the current locale. This means that in i.e. the default "C" locale, characters such as umlaut-A (Ä) will not be converted.
Parameters
- str
-
The input string.
Return values
Returns the lowercased string.
Examples
Example#1 strtolower() example
<?php
$str = "Mary Had A Little Lamb and She LOVED It So";
$str = strtolower($str);
echo $str; // Prints mary had a little lamb and she loved it so
?>
Notes
Note: Tämä funktio osaa käsitellä myös binäärimuotoista dataa.