Archive of April 2009

9 Apr

PHP number to letter function

function numberToLetter($char){
	$letters = explode(' ', "a b c d e f g h i j k l m n o p q r s t u v w x y z"); // array of letters
	if(is_numeric($char) && $char<=26){
		return isset($letters[$char]) ? $letters[$char] : false;
	}elseif(is_string($char)){
		return array_search($char,$letters);
	}
	return false;
}