(PHP 7)
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.
Example #1 Testarea diferitor code points
<?php
var_dump(IntlChar::isalnum("A"));
var_dump(IntlChar::isalnum("1"));
var_dump(IntlChar::isalnum("\u{2603}"));
?>
Exemplul de mai sus va afișa:
bool(true) bool(true) bool(false)