PHP | Función IntlChar charDirection()

La función IntlChar::charDirection() es una función incorporada en PHP que se usa para obtener el valor de categoría bidireccional para un punto de código. Devuelve el valor de categoría bidireccional para el punto de código, que se utiliza en el algoritmo bidireccional Unicode.

Sintaxis:

int IntlChar::charDirection ( $codepoint )

Parámetros: Esta función acepta un solo parámetro $codepoint que es obligatorio. El valor de $codepoint es un carácter o valor entero, que se codifica como una string UTF-8 .

Valor de retorno: esta función devuelve el valor de categoría bidireccional que se enumeran a continuación:

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

Los siguientes programas ilustran la función IntlChar::charDirection() en PHP:

Programa 1:

<?php
  
// PHP code to illustrate IntlChar::charDirection()
// function
  
// Input data is character type
var_dump(IntlChar::charDirection("A") === 
           IntlChar::CHAR_DIRECTION_LEFT_TO_RIGHT);
  
// Input data is unicode character
var_dump(IntlChar::charDirection("\u{05E9}") === 
           IntlChar::CHAR_DIRECTION_RIGHT_TO_LEFT);
  
// Input data is character type
var_dump(IntlChar::charDirection("+") === 
IntlChar::CHAR_DIRECTION_EUROPEAN_NUMBER_SEPARATOR);
  
// Input data is character type
var_dump(IntlChar::charDirection(".") === 
  IntlChar::CHAR_DIRECTION_COMMON_NUMBER_SEPARATOR);
  
// Input data is string type
var_dump(IntlChar::charDirection("ABC") === 
            IntlChar::CHAR_DIRECTION_RIGHT_TO_LEFT);
  
// Input data is character type
var_dump(IntlChar::charDirection("c") === 
            IntlChar::CHAR_DIRECTION_RIGHT_TO_LEFT);
  
// Input data is character type
var_dump(IntlChar::charDirection("O") === 
            IntlChar::CHAR_DIRECTION_LEFT_TO_RIGHT);
?>

Producción:

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

Programa 2:

<?php
  
// PHP code to illustrate IntlChar::charDirection()
// function
  
// Input data is character type
var_dump(IntlChar::charDirection("A"));
  
// Input data is unicode character
var_dump(IntlChar::charDirection("\u{05E9}"));
  
// Input data is character type
var_dump(IntlChar::charDirection("+"));
  
// Input data is character type
var_dump(IntlChar::charDirection("."));
  
// Input data is string type
var_dump(IntlChar::charDirection("ABC"));
  
// Input data is character type
var_dump(IntlChar::charDirection("c"));
  
// Input data is character type
var_dump(IntlChar::charDirection("O"));
?>

Producción:

int(0)
int(1)
int(3)
int(6)
NULL
int(0)
int(0)

Artículos relacionados:

Referencia: http://php.net/manual/en/intlchar.chardirection.php

Publicación traducida automáticamente

Artículo escrito por Mahadev99 y traducido por Barcelona Geeks. The original can be accessed here. Licence: CCBY-SA

Deja una respuesta Cancelar la respuesta