- var_dump: documentation ( source)
- bin2hex: documentation ( source)
<?php
// Canonical.
$latin_A_with_ring_above = "\xc3\x85";
// Not Canonical.
$Angstrom = "\xE2\x84\xAB";
var_dump(
$latin_A_with_ring_above,
$Angstrom,
normalizer_is_normalized($latin_A_with_ring_above),
normalizer_is_normalized($Angstrom),
bin2hex($latin_A_with_ring_above),
bin2hex($Angstrom),
bin2hex(normalizer_normalize($latin_A_with_ring_above)),
bin2hex(normalizer_normalize($Angstrom))
);