- var_dump: documentation ( source)
- mb_substr: documentation ( source)
<?php
echo strlen("à");
echo "\n";
echo strlen(Normalizer::normalize("à", Normalizer::FORM_D));
$chars = Normalizer::normalize("à", Normalizer::FORM_D);
$char = mb_substr($chars, 1, 1);
$charCodepoint = IntlChar::ord($char);
var_dump(IntlChar::hasBinaryProperty($charCodepoint, IntlChar::PROPERTY_CANONICAL_COMBINING_CLASS));