╰┈➤ Create a function that determines whether a string is a valid hex code. The hex code must begin with a pound key # and is exactly 6 characters in length. Each character must be a digit from 0-9 or an alphabetic character from A-F. All alphabetic characters may be uppercase or lowercase. ◄

function isSpecialArray($str) {
    $length = strlen($str);
    $count=1;
    for ($i=1; $i<$length; $i++) {
	if ($str[0]="#") {
	    
► // 0123456789abcdefABCDEF
	    if ((ord($str[$i]) > 64 && ord($str[$i]) < 71) || (ord($str[$i]) > 47 && 
	    ord($str[$i]) < 58) || (ord($str[$i]) > 96 && ord($str[$i]) < 103))  {
		$count+=1;
		}
	    }
	}
    if (strlen($str)==7 && $count==$length){
	return true;
    }
    return false;
}
var_dump(isSpecialArray("#CD5C5B"));

`