| private initFromHex ( string $hex ) : self | ||
| $hex | string | Color definition |
| return | self | |
private function initFromHex(string $hex) : self
{
// Trim the hashmark if present
$hex = ltrim($hex, '#');
if (strlen($hex) == 3) {
// RGB format support
$hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
}
if (!preg_match('~[a-f0-9]{6}~i', $hex)) {
// Invalid color definition
throw new \InvalidArgumentException(sprintf('"%s" in not a valid hexadecimal color definition', $hex));
}
$this->initFromInt(hexdec($hex));
return $this;
}