function PhpTransliteration::ordUTF8

Same name in other branches
  1. 9 core/lib/Drupal/Component/Transliteration/PhpTransliteration.php \Drupal\Component\Transliteration\PhpTransliteration::ordUTF8()
  2. 10 core/lib/Drupal/Component/Transliteration/PhpTransliteration.php \Drupal\Component\Transliteration\PhpTransliteration::ordUTF8()
  3. 11.x core/lib/Drupal/Component/Transliteration/PhpTransliteration.php \Drupal\Component\Transliteration\PhpTransliteration::ordUTF8()

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.

2 calls to PhpTransliteration::ordUTF8()
PhpTransliteration::removeDiacritics in core/lib/Drupal/Component/Transliteration/PhpTransliteration.php
Removes diacritics (accents) from certain letters.
PhpTransliteration::transliterate in core/lib/Drupal/Component/Transliteration/PhpTransliteration.php
Transliterates text from Unicode to US-ASCII.

File

core/lib/Drupal/Component/Transliteration/PhpTransliteration.php, line 185

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 & 0xf) << 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 & 0x7) << 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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