Matthias Andreas Benkard | 7b2a3a1 | 2021-08-16 10:57:25 +0200 | [diff] [blame^] | 1 | <?php |
| 2 | |
| 3 | namespace LdapRecord\Models\Attributes; |
| 4 | |
| 5 | class MbString |
| 6 | { |
| 7 | /** |
| 8 | * Get the integer value of a specific character. |
| 9 | * |
| 10 | * @param $string |
| 11 | * |
| 12 | * @return int |
| 13 | */ |
| 14 | public static function ord($string) |
| 15 | { |
| 16 | if (static::isLoaded()) { |
| 17 | $result = unpack('N', mb_convert_encoding($string, 'UCS-4BE', 'UTF-8')); |
| 18 | |
| 19 | if (is_array($result)) { |
| 20 | return $result[1]; |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | return ord($string); |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * Get the character for a specific integer value. |
| 29 | * |
| 30 | * @param $int |
| 31 | * |
| 32 | * @return string |
| 33 | */ |
| 34 | public static function chr($int) |
| 35 | { |
| 36 | if (static::isLoaded()) { |
| 37 | return mb_convert_encoding(pack('n', $int), 'UTF-8', 'UTF-16BE'); |
| 38 | } |
| 39 | |
| 40 | return chr($int); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Split a string into its individual characters and return it as an array. |
| 45 | * |
| 46 | * @param string $value |
| 47 | * |
| 48 | * @return string[] |
| 49 | */ |
| 50 | public static function split($value) |
| 51 | { |
| 52 | return preg_split('/(?<!^)(?!$)/u', $value); |
| 53 | } |
| 54 | |
| 55 | /** |
| 56 | * Detects if the given string is UTF 8. |
| 57 | * |
| 58 | * @param $string |
| 59 | * |
| 60 | * @return string|false |
| 61 | */ |
| 62 | public static function isUtf8($string) |
| 63 | { |
| 64 | if (static::isLoaded()) { |
| 65 | return mb_detect_encoding($string, 'UTF-8', $strict = true); |
| 66 | } |
| 67 | |
| 68 | return $string; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Checks if the mbstring extension is enabled in PHP. |
| 73 | * |
| 74 | * @return bool |
| 75 | */ |
| 76 | public static function isLoaded() |
| 77 | { |
| 78 | return extension_loaded('mbstring'); |
| 79 | } |
| 80 | } |