IntlChar::isbase
(PHP 7, PHP 8)
IntlChar::isbase — Check if code point is a base character
Beschreibung
$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
-
Der int-Wert des Codepoints (z. B.
0x2603
für U+2603 SNOWMAN) oder das Zeichen als UTF-8-String kodiert (z.B."\u"
).
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"));
?>
Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
bool(true) bool(true) bool(false)
Siehe auch
- IntlChar::isalpha() - Check if code point is a letter character
- IntlChar::isdigit() - Check if code point is a digit character