/**
* Normalize string (RFC 3454 section 4)
*/
protected function normalize($codepoints)
{
$string = UnicodeUtil::codepointsToString($codepoints, 'UTF-8');
$string = Normalizer::normalize($string, Normalizer::FORM_KC);
return UnicodeUtil::stringToCodepoints($string, 'UTF-8');
}
public function testCodepointsFromSMPString()
{
$codepoints = UnicodeUtil::stringToCodepoints("mathplane: 𝛂𝛽𝜸𝝳𝟒𝟚");
$expected = array(0x6d, 0x61, 0x74, 0x68, 0x70, 0x6c, 0x61, 0x6e, 0x65, 0x3a, 0x20, 0x1d6c2, 0x1d6fd, 0x1d738, 0x1d773, 0x1d7d2, 0x1d7da);
$this->assertEquals($expected, array_values($codepoints));
}