string strtolower(string $string)
string with all alphabetic characters converted to lowercase.
Note that 'alphabetic' is determined by the current locale. This means that e.g. in the default "C" locale, characters such as umlaut-A (Ä) will not be converted.
Returns the lowercased string.
- string $string: The input string.
Example #1 strtolower() example
$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
- This function is binary-safe.