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IntlChar charDirection() function in PHP

The IntlChar charDirection() function is used to display the the bidirectional category value for the entered value.

Syntax

int IntlChar::charDirection(val)

Parameters

  • val − An integer or character encoded as a UTF-8 string.

Return

The IntlChar charDirection() function returns the following bidirectional category value −

  • 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

Example

The following is an example −

<?php
   var_dump(IntlChar::charDirection("-"));
   echo "<br>";
   var_dump(IntlChar::charDirection("*"));
   echo "<br>";
   var_dump(IntlChar::charDirection("kjh"));
   echo "<br>";
   var_dump(IntlChar::charDirection("H"));
   echo "<br>";
?>

Output

The following is the output −

int(3)
int(10)
NULL
int(0)