lower — returns a lower case version of its argument


lower ( str string );


lcase returns a copy of string str with all the uppercase alphabetical characters converted to corresponding lowercase letters. This includes also the diacritic letters present in the ISO 8859/1 standard in range 192 - 222 decimal, excluding the character 223, German double-s which stays the same.

lower is just an alias for lcase.

lcase('AbracadabrA')  -> 'abracadabra'