IntlChar::isIDIgnorable

(PHP 7)

IntlChar::isIDIgnorableCheck if code point is an ignorable character

Descrição

public static bool IntlChar::isIDIgnorable ( mixed $codepoint )

Determines if the specified character should be regarded as an ignorable character in an identifier.

TRUE for characters with general category "Cf" (format controls) as well as non-whitespace ISO controls (U+0000..U+0008, U+000E..U+001B, U+007F..U+009F).

Nota:

Note that Unicode just recommends to ignore Cf (format controls).

Parâmetros

codepoint

Um codepoint integer (por exemplo 0x2603 para U+2603 SNOWMAN), ou um caracter codificado como uma string UTF-8 (exemplo "\u{2603}")

Valor Retornado

Returns TRUE if codepoint is ignorable in identifiers, FALSE if not.

Exemplos

Exemplo #1 Testando codepoints diferentes

<?php
var_dump
(IntlChar::isIDIgnorable("A"));
var_dump(IntlChar::isIDIgnorable(" "));
var_dump(IntlChar::isIDIgnorable("\u{007F}"));
?>

O exemplo acima irá imprimir:

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

Veja Também

  • IntlChar::isIDStart() - Check if code point is permissible as the first character in an identifier
  • IntlChar::isIDPart() - Check if code point is permissible in an identifier
  • IntlChar::PROPERTY_DEFAULT_IGNORABLE_CODE_POINT

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top