IntlChar::isdigit

(PHP 7, PHP 8)

IntlChar::isdigitCheck if code point is a digit character

Description

public static IntlChar::isdigit(int|string $codepoint): ?bool

Determines whether the specified code point is a digit character.

true for characters with general category "Nd" (decimal digit numbers). Beginning with Unicode 4, this is the same as testing for the Numeric_Type of Decimal.

Liste de paramètres

codepoint

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

Valeurs de retour

Returns true if codepoint is a digit character, false if not. Returns null on failure.

Exemples

Exemple #1 Test de différents codepoint

<?php
var_dump
(IntlChar::isdigit("A"));
var_dump(IntlChar::isdigit("1"));
var_dump(IntlChar::isdigit("\t"));
?>

L'exemple ci-dessus va afficher :

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

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