array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'de', ), 'this' => array ( 0 => 'intlchar.isbase.php', 1 => 'IntlChar::isbase', 2 => 'Check if code point is a base character', ), 'up' => array ( 0 => 'class.intlchar.php', 1 => 'IntlChar', ), 'prev' => array ( 0 => 'intlchar.isalpha.php', 1 => 'IntlChar::isalpha', ), 'next' => array ( 0 => 'intlchar.isblank.php', 1 => 'IntlChar::isblank', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/intl/intlchar/isbase.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

IntlChar::isbase

(PHP 7, PHP 8)

IntlChar::isbase — Check if code point is a base character

Beschreibung

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

Determines whether the specified code point is a base character. true for general categories "L" (letters), "N" (numbers), "Mc" (spacing combining marks), and "Me" (enclosing marks).

Hinweis:

This is different from the Unicode definition in chapter 3.5, conformance clause D13, which defines base characters to be all characters (not Cn) that do not graphically combine with preceding characters (M) and that are neither control (Cc) or format (Cf) characters.

Parameter-Liste

codepoint

Ein Wert vom Typ int, der einen Codepoint darstellt (z. B. 0x2603 für U+2603 SNOWMAN) oder ein als UTF-8-String kodiertes Zeichen (z. B. "\u{2603}")

Rückgabewerte

Returns true if codepoint is a base character, false if not. Returns null on failure.

Beispiele

Beispiel #1 Testen unterschiedlicher Codepoints

<?php
var_dump(IntlChar::isbase("A"));
var_dump(IntlChar::isbase("1"));
var_dump(IntlChar::isbase("\u{2603}"));
?>

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

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

Siehe auch