public static Unicode::encodingFromBOM($data)
Decodes UTF byte-order mark (BOM) into the encoding's name.
Parameters
string $data: The data possibly containing a BOM. This can be the entire contents of a file, or just a fragment containing at least the first five bytes.
Return value
string|bool The name of the encoding, or FALSE if no byte order mark was present.
File
- core/lib/Drupal/Component/Utility/Unicode.php, line 191
Class
- Unicode
- Provides Unicode-related conversions and operations.
Namespace
Drupal\Component\Utility
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | public static function encodingFromBOM($data) { static $bomMap = array( "\xEF\xBB\xBF" => 'UTF-8', "\xFE\xFF" => 'UTF-16BE', "\xFF\xFE" => 'UTF-16LE', "\x00\x00\xFE\xFF" => 'UTF-32BE', "\xFF\xFE\x00\x00" => 'UTF-32LE', "\x2B\x2F\x76\x38" => 'UTF-7', "\x2B\x2F\x76\x39" => 'UTF-7', "\x2B\x2F\x76\x2B" => 'UTF-7', "\x2B\x2F\x76\x2F" => 'UTF-7', "\x2B\x2F\x76\x38\x2D" => 'UTF-7', ); foreach ($bomMap as $bom => $encoding) { if (strpos($data, $bom) === 0) { return $encoding; } } return FALSE;} |
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