IntlChar::isalnum

(PHP 7)

IntlChar::isalnumCheck 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

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top