protected static PhpTransliteration::ordUTF8($character)
Finds the character code for a UTF-8 character: like ord() but for UTF-8.
Parameters
string $character: A single UTF-8 character.
Return value
int The character code, or -1 if an illegal character is found.
File
- core/lib/Drupal/Component/Transliteration/PhpTransliteration.php, line 144
Class
- PhpTransliteration
- Implements transliteration without using the PECL extensions.
Namespace
Drupal\Component\Transliteration
Code
protected static function ordUTF8($character) {
$first_byte = ord($character[0]);
if (($first_byte & 0x80) == 0) {
// Single-byte form: 0xxxxxxxx.
return $first_byte;
}
if (($first_byte & 0xe0) == 0xc0) {
// Two-byte form: 110xxxxx 10xxxxxx.
return (($first_byte & 0x1f) << 6) + (ord($character[1]) & 0x3f);
}
if (($first_byte & 0xf0) == 0xe0) {
// Three-byte form: 1110xxxx 10xxxxxx 10xxxxxx.
return (($first_byte & 0x0f) << 12) + ((ord($character[1]) & 0x3f) << 6) + (ord($character[2]) & 0x3f);
}
if (($first_byte & 0xf8) == 0xf0) {
// Four-byte form: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx.
return (($first_byte & 0x07) << 18) + ((ord($character[1]) & 0x3f) << 12) + ((ord($character[2]) & 0x3f) << 6) + (ord($character[3]) & 0x3f);
}
// Other forms are not legal.
return -1;
}
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