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IntlChar::isblank

(PHP 7, PHP 8)

IntlChar::isblankCheck if code point is a "blank" or "horizontal space" character

Description

public static IntlChar::isblank(int|string $codepoint): ?bool

Determines whether the specified code point is a "blank" or "horizontal space", a character that visibly separates words on a line.

The following are equivalent definitions:

  • true for Unicode White_Space characters except for "vertical space controls" where "vertical space controls" are the following characters: U+000A (LF) U+000B (VT) U+000C (FF) U+000D (CR) U+0085 (NEL) U+2028 (LS) U+2029 (PS)
  • true for U+0009 (TAB) and characters with general category "Zs" (space separators) except Zero Width Space (ZWSP, U+200B).

Liste de paramètres

codepoint

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

Valeurs de retour

Returns true if codepoint is either a "blank" or "horizontal space" character, false if not. Returns null on failure.

Exemples

Exemple #1 Test de différents codepoint

<?php
var_dump
(IntlChar::isblank("A"));
var_dump(IntlChar::isblank(" "));
var_dump(IntlChar::isblank("\t"));
?>

L'exemple ci-dessus va afficher :

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

Voir aussi

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