(PHP 7, PHP 8)
IntlChar::isalpha — Check if code point is a letter character
Determines whether the specified code point is a letter character. true for general categories "L" (letters).
Returns true if
codepoint is a letter character, false if not. Returns null on failure.
Beispiel #1 Testen unterschiedlicher Codepoints
<?php
var_dump(IntlChar::isalpha("A"));
var_dump(IntlChar::isalpha("1"));
var_dump(IntlChar::isalpha("\u{2603}"));
?>Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
bool(true) bool(false) bool(false)