IntlChar::isalnum

(PHP 7)

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

Description

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).

Liste de paramètres

codepoint: La valeur codepoint de type integer (i.e. 0x2603 pour U+2603 SNOWMAN), ou le caractère encodé en UTF-8 de type string (i.e. "\u{2603}")

Valeurs de retour

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

Exemples

Exemple #1 Test de différents codepoint


<?php
var_dump(IntlChar::isalnum("A"));
var_dump(IntlChar::isalnum("1"));
var_dump(IntlChar::isalnum("\u{2603}"));
?>

L'exemple ci-dessus va afficher :

bool(true)
bool(true)
bool(false)

Voir aussi

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