Check if code point is an ignorable character

# IntlChar::isIDIgnorable

(PHP 7)

IntlChar::isIDIgnorable — Check if code point is an ignorable character

### Description

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

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).

> Note:

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

### Liste de paramètres

`codepoint`

  La valeur codepoint de type integer (i.e. 0x2603 pour U+2603 SNOWMAN), ou le caractère encodé en UTF-8 de type string (i.e. "\u{2603}")

### Valeurs de retour

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

### Exemples

Exemple #1 Test de différents codepoint

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

L'exemple ci-dessus va afficher :

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

### Voir aussi

- 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`