(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)