(PHP 7, PHP 8)
IntlChar::isalnum — Check if code point is an alphanumeric character
Determines whether the specified code point is an alphanumeric character (letter or digit). true for characters with general categories "L" (letters) and "Nd" (decimal digit numbers).
Returns true if
codepoint is an alphanumeric character, false if not. Returns null on failure.
Örnek 1 Farklı karakter kodlarının denenmesi
<?php
var_dump(IntlChar::isalnum("A"));
var_dump(IntlChar::isalnum("1"));
var_dump(IntlChar::isalnum("\u{2603}"));
?>Yukarıdaki örneğin çıktısı:
bool(true) bool(true) bool(false)