PHP UTF8::transliterate_to_ascii方法代码示例

 public function utf8_to_ascii_test()
 {
     $this->assert_equal("Te glossa mou edosan ellenike", UTF8::transliterate_to_ascii("Τη γλώσσα μου έδωσαν ελληνική"));
     $this->assert_equal("Na bierieghu pustynnykh voln", UTF8::transliterate_to_ascii("На берегу пустынных волн"));
     $this->assert_equal("vepxis tqaosani shot`a rust`aveli", UTF8::transliterate_to_ascii("ვეპხის ტყაოსანი შოთა რუსთაველი"));
     $this->assert_equal("WoNengTunXiaBoLiErBuShangShenTi", UTF8::transliterate_to_ascii("我能吞下玻璃而不伤身体"));
 }

 /**
  * Replaces special/accented UTF-8 characters by ASCII-7 'equivalents'.
  *
  * @param   string   string to transliterate
  * @param   integer  -1 lowercase only, +1 uppercase only, 0 both cases
  * @return  string
  */
 public static function transliterate_to_ascii($str, $case = 0)
 {
     static $UTF8_SPECIAL_CHARS = NULL;
     if ($UTF8_SPECIAL_CHARS === null) {
         $UTF8_SPECIAL_CHARS = array('⁰' => '0', '₀' => '0', '¹' => '1', 'ˡ' => 'l', '₁' => '1', '²' => '2', '₂' => '2', '³' => '3', '₃' => '3', '⁴' => '4', '₄' => '4', '⁵' => '5', '₅' => '5', '⁶' => '6', '₆' => '6', '⁷' => '7', '₇' => '7', '⁸' => '8', '₈' => '8', '⁹' => '9', '₉' => '9', '¼' => '1/4', '½' => '1/2', '¾' => '3/4', '⅓' => '1/3', '⅔' => '2/3', '⅕' => '1/5', '⅖' => '2/5', '⅗' => '3/5', '⅘' => '4/5', '⅙' => '1/6', '⅚' => '5/6', '⅛' => '1/8', '⅜' => '3/8', '⅝' => '5/8', '⅞' => '7/8', '⅟' => '1/', '⁺' => '+', '₊' => '+', '⁻' => '-', '₋' => '-', '⁼' => '=', '₌' => '=', '⁽' => '(', '₍' => '(', '⁾' => ')', '₎' => ')', 'ª' => 'a', '@' => 'a', '€' => 'e', 'ⁿ' => 'n', '°' => 'o', 'º' => 'o', '¤' => 'o', 'ˣ' => 'x', 'ʸ' => 'y', '$' => 'S', '©' => '(c)', '℠' => 'SM', '℡' => 'TEL', '™' => 'TM', 'ä' => 'ae', 'Ä' => 'Ae', 'ö' => 'oe', 'Ö' => 'Oe', 'ü' => 'ue', 'Ü' => 'eE', 'å' => 'aa', 'Å' => 'Aa');
     }
     $str = str_replace(array_keys($UTF8_SPECIAL_CHARS), array_values($UTF8_SPECIAL_CHARS), $str);
     return UTF8::transliterate_to_ascii($str, $case);
 }

 /**
  * Converts a slug to value valid for a URL.
  *
  * We could validate it by setting a rule, but for the most part, who cares?
  *
  * @param   mixed  $value
  * @return  mixed
  */
 public static function slug($value)
 {
     $value = UTF8::transliterate_to_ascii($value);
     // Only allow slashes, dashes, and lowercase letters
     $value = preg_replace('/[^a-z0-9-\\/]/', '-', strtolower($value));
     // Strip multiple dashes
     $value = preg_replace('/-{2,}/', '-', $value);
     // Trim an ending or starting dashes
     $value = trim($value, '-');
     return $value;
 }

 public static function title($title, $separator = '-', $ascii_only = FALSE)
 {
     if ($ascii_only === TRUE) {
         $title = UTF8::transliterate_to_ascii($title);
         $title = preg_replace('![^' . preg_quote($separator) . 'a-z0-9\\s]+!', '', strtolower($title));
     } else {
         $title = preg_replace('![^' . preg_quote($separator) . '\\pL\\pN\\s]+!u', '', UTF8::strtolower($title));
     }
     $title = preg_replace('![' . preg_quote($separator) . '\\s]+!u', $separator, $title);
     return trim($title, $separator);
 }

 /**
  * Generate safe name for file
  *
  * @param   string   filename
  * @param   integer  max filename length
  * @return  string   safe filename
  * @return  boolean  FALSE, if filename can not be safed
  */
 public static function safe_name($filename, $remove_spaces = TRUE, $max_length = NULL)
 {
     if ($filename) {
         $info = pathinfo($filename);
         $fname = trim($info['filename']);
         if ($remove_spaces === TRUE) {
             // Remove spaces and other separators from the filename
             $fname = preg_replace('/[\\pZ]+/uD', '_', $fname);
         }
         // Remove any punctuation from filename
         $fname = preg_replace('/[\\p{Po}]+/uD', '', $fname);
         $fname = trim($fname);
         // Get the extension from the filename
         $extension = Arr::get($info, 'extension', '');
         $ext_length = strlen($extension);
         $ext_length and ++$ext_length;
         // Extension length with dot
         if ($max_length !== NULL and $ext_length > $max_length) {
             return FALSE;
         }
         if ($ext_length and preg_match('/[^a-zA-Z0-9]/', $extension)) {
             // Extension is invalid
             return FALSE;
         }
         // Transliterate filename
         $fname = UTF8::transliterate_to_ascii($fname);
         // Remove any special characters from filename
         $fname = preg_replace('/[^-a-zA-Z0-9_]+/', '', $fname);
         if ($fname == '') {
             // Use sha1 hash as safe name
             $fname = sha1($info['basename']);
         }
         if ($max_length !== NULL and strlen($fname) + $ext_length > $max_length) {
             $fname = substr($fname, 0, $max_length - $ext_length);
             if (!strlen($fname)) {
                 // Can not truncate filename
                 return FALSE;
             }
         }
         $filename = $info['dirname'] !== '.' ? $info['dirname'] . DIRECTORY_SEPARATOR : '';
         $filename .= $fname . ($ext_length ? '.' . $extension : '');
     }
     return $filename;
 }

 /**
  * Converts a slug to value valid for a URL.
  *
  * @param    mixed  $value
  * @return   mixed
  * @uses     UTF8::transliterate_to_ascii
  * @credits  Kohana-Team
  */
 public function set(Jam_Validated $model, $value, $is_changed)
 {
     list($value, $return) = $this->_default($model, $value);
     if (!$return) {
         if ($this->ascii_only === TRUE) {
             // Transliterate value to ASCII
             $value = UTF8::transliterate_to_ascii($value);
         }
         // Set preserved characters
         $preserved_characters = preg_quote($this->separator);
         // Add hierarchy separator to preserved characters if set
         if ($this->hierarchy_separator) {
             $preserved_characters .= preg_quote($this->hierarchy_separator);
         }
         // Remove all characters that are not in preserved characters, a-z, 0-9, or whitespace
         $value = preg_replace('![^' . $preserved_characters . 'a-z0-9\\s]+!', '', strtolower($value));
         // Remove whitespace around hierarchy separators if hierarchy separator is set
         if ($this->hierarchy_separator) {
             $value = preg_replace('/\\s*([' . preg_quote($this->hierarchy_separator, '/') . '])\\s*/', '$1', $value);
         }
         // Replace all separator characters and whitespace by a single separator
         $value = preg_replace('![' . preg_quote($this->separator) . '\\s]+!u', $this->separator, $value);
         // Trim separators from the beginning and end
         $value = trim($value, $this->separator);
         // Check if hierarchy separator is set
         if ($this->hierarchy_separator) {
             // Replace all hierarchy separators by a single hierarchy separator
             $value = preg_replace('![' . preg_quote($this->hierarchy_separator) . ']+!u', $this->hierarchy_separator, $value);
             // Trim hierarchy separators from the beginning and end
             $value = trim($value, $this->hierarchy_separator);
             // Look for separators again at the beginning and end just in case
             $value = trim($value, $this->separator);
         }
     }
     return $value;
 }

 /**
  * Tests UTF8::transliterate_to_ascii
  *
  * @test
  * @dataProvider provider_transliterate_to_ascii
  */
 public function test_transliterate_to_ascii($input, $case, $expected)
 {
     $this->assertSame($expected, UTF8::transliterate_to_ascii($input, $case));
 }

 /**
  * Convert a phrase to a URL-safe title.
  *
  *     echo URL::title('My Blog Post'); // "my-blog-post"
  *
  * @param   string   $title       Phrase to convert
  * @param   string   $separator   Word separator (any single character)
  * @param   boolean  $ascii_only  Transliterate to ASCII?
  * @return  string
  * @uses    UTF8::transliterate_to_ascii
  */
 public static function title($title, $separator = '-', $ascii_only = FALSE)
 {
     if ($ascii_only === TRUE) {
         // Transliterate non-ASCII characters
         $title = UTF8::transliterate_to_ascii($title);
         // Remove all characters that are not the separator, a-z, 0-9, or whitespace
         $title = preg_replace('![^' . preg_quote($separator) . 'a-z0-9\\s]+!', $separator, strtolower($title));
     } else {
         // Remove all characters that are not the separator, letters, numbers, or whitespace
         $title = preg_replace('![^' . preg_quote($separator) . '\\pL\\pN\\s]+!u', '', UTF8::strtolower($title));
     }
     // Replace all separator characters and whitespace by a single separator
     $title = preg_replace('![' . preg_quote($separator) . '\\s]+!u', $separator, $title);
     // Trim separators from the beginning and end
     return trim($title, $separator);
 }

 /**
  * Convert a phrase to a URL-safe title.
  *
  *     echo URL::title('Мой блог пост'); // "moi-blog-post"
  *
  * @param   string   $title       Phrase to convert
  * @param   string   $separator   Word separator (any single character)
  * @return  string
  * @uses    UTF8::ru_translit
  * @uses    UTF8::transliterate_to_ascii
  */
 public static function to_slug($text, $separator = '-')
 {
     $value = UTF8::ru_translit($text);
     // Transliterate value to ASCII
     $value = UTF8::transliterate_to_ascii($value);
     // Set preserved characters
     $preserved_characters = preg_quote($separator);
     // Remove all characters that are not in preserved characters, a-z, 0-9, point or whitespace
     $value = preg_replace('![^' . $preserved_characters . 'a-z0-9.\\s]+!', '', strtolower($value));
     // Replace all separator characters and whitespace by a single separator
     $value = preg_replace('![' . preg_quote($separator) . '\\s]+!u', $separator, $value);
     // Trim separators from the beginning and end
     return trim($value, $separator);
 }

 public function bench_utf8($subject)
 {
     return UTF8::transliterate_to_ascii($subject);
 }

 /**
  * Method to make a filename safe for writing on the filesystem, removing all strange characters
  * @param  string $filename
  * @return string
  */
 public static function sanitize($filename, $separator = '-')
 {
     // Transliterate strange chars
     $filename = UTF8::transliterate_to_ascii($filename);
     // Sanitize the filename
     $filename = preg_replace('/[^a-z0-9-\\.]/', $separator, strtolower($filename));
     // Remove spaces
     $filename = preg_replace('/\\s+/u', $separator, $filename);
     // Strip multiple dashes
     $filename = preg_replace('/-{2,}/', $separator, $filename);
     return $filename;
 }