IntlChar::isdigit
(PHP 7, PHP 8)
IntlChar::isdigit — Check if code point is a digit character
Description
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.
0x2603pour 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)
Voir aussi
- IntlChar::isalpha() - Check if code point is a letter character
- IntlChar::isalnum() - Check if code point is an alphanumeric character
- IntlChar::isxdigit() - Check if code point is a hexadecimal digit
- ctype_digit() - Vérifie qu'une chaîne est un entier
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