IntlChar::isalnum

(PHP 7)

IntlChar::isalnum — Check if code point is an alphanumeric character

Descrierea

public static bool IntlChar::isalnum ( mixed $codepoint )

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).

Parametri

codepoint: Valoarea codepoint de tip integer (de ex. 0x2603 pentru U+2603 SNOWMAN) sau caracterul codificat ca string în UTF-8 (de ex. "\u{2603}")

Valorile întoarse

Returns TRUE if codepoint is an alphanumeric character, FALSE if not.

Exemple

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)

A se vedea și

IntlChar::isalpha() - Check if code point is a letter character
IntlChar::isdigit() - Check if code point is a digit character