(PHP 3, PHP 4 >= 4.0b1)
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.
Example 1. strtolower() example
$str = "Mary Had A Little Lamb and She LOVED It So";
$str = strtolower($str);
print $str; # Prints mary had a little lamb and she loved it so
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See also strtoupper()
and ucfirst().