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IntlChar::charDirection - Get bidirectional category value for a code point

Вернуться к: IntlChar

IntlChar::charDirection

(PHP 7)

IntlChar::charDirectionGet bidirectional category value for a code point

Описание

public static int IntlChar::charDirection ( mixed $codepoint )

Returns the bidirectional category value for the code point, which is used in the » Unicode bidirectional algorithm (UAX #9).

Замечание:

Some unassigned code points have bidi values of R or AL because they are in blocks that are reserved for Right-To-Left scripts.

Список параметров

codepoint

The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

Возвращаемые значения

The bidirectional category value; one of the following constants:

  • IntlChar::CHAR_DIRECTION_LEFT_TO_RIGHT
  • IntlChar::CHAR_DIRECTION_RIGHT_TO_LEFT
  • IntlChar::CHAR_DIRECTION_EUROPEAN_NUMBER
  • IntlChar::CHAR_DIRECTION_EUROPEAN_NUMBER_SEPARATOR
  • IntlChar::CHAR_DIRECTION_EUROPEAN_NUMBER_TERMINATOR
  • IntlChar::CHAR_DIRECTION_ARABIC_NUMBER
  • IntlChar::CHAR_DIRECTION_COMMON_NUMBER_SEPARATOR
  • IntlChar::CHAR_DIRECTION_BLOCK_SEPARATOR
  • IntlChar::CHAR_DIRECTION_SEGMENT_SEPARATOR
  • IntlChar::CHAR_DIRECTION_WHITE_SPACE_NEUTRAL
  • IntlChar::CHAR_DIRECTION_OTHER_NEUTRAL
  • IntlChar::CHAR_DIRECTION_LEFT_TO_RIGHT_EMBEDDING
  • IntlChar::CHAR_DIRECTION_LEFT_TO_RIGHT_OVERRIDE
  • IntlChar::CHAR_DIRECTION_RIGHT_TO_LEFT_ARABIC
  • IntlChar::CHAR_DIRECTION_RIGHT_TO_LEFT_EMBEDDING
  • IntlChar::CHAR_DIRECTION_RIGHT_TO_LEFT_OVERRIDE
  • IntlChar::CHAR_DIRECTION_POP_DIRECTIONAL_FORMAT
  • IntlChar::CHAR_DIRECTION_DIR_NON_SPACING_MARK
  • IntlChar::CHAR_DIRECTION_BOUNDARY_NEUTRAL
  • IntlChar::CHAR_DIRECTION_FIRST_STRONG_ISOLATE
  • IntlChar::CHAR_DIRECTION_LEFT_TO_RIGHT_ISOLATE
  • IntlChar::CHAR_DIRECTION_RIGHT_TO_LEFT_ISOLATE
  • IntlChar::CHAR_DIRECTION_POP_DIRECTIONAL_ISOLATE
  • IntlChar::CHAR_DIRECTION_CHAR_DIRECTION_COUNT

Примеры

Пример #1 Testing different code points

<?php
var_dump
(IntlChar::charDirection("A") === IntlChar::CHAR_DIRECTION_LEFT_TO_RIGHT);
var_dump(IntlChar::charDirection("\u{05E9}") === IntlChar::CHAR_DIRECTION_RIGHT_TO_LEFT);
var_dump(IntlChar::charDirection("+") === IntlChar::CHAR_DIRECTION_EUROPEAN_NUMBER_SEPARATOR);
var_dump(IntlChar::charDirection(".") === IntlChar::CHAR_DIRECTION_COMMON_NUMBER_SEPARATOR);
?>

Результат выполнения данного примера:

bool(true)
bool(true)
bool(true)
bool(true)


Вернуться к: IntlChar

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