strtolower

Syntax

string strtolower( 
	string $string_to_convert
);

PHP Manual

Description

This construct converts a string’s alphabetic characters to lowercase. It uses the current locale to determine the converter. This function uses the Unicode character set for the character encoding.

Note: If you need to convert expanded character sets, such as umlaut-A (Ä), then use mb_strtolower() instead, as you can specify the character encoding, such as “UTF-8.”

Parameters

string_to_convert

This is the string to be converted into lowercase characters.

Return Values

This function returns the converted string.