IntlChar::isalnum

(PHP 7)

IntlChar::isalnumCheck if code point is an alphanumeric character

Description

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

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)

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