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 ?>