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IntlChar::charDigitValue

(PHP 7, PHP 8)

IntlChar::charDigitValue — Get the decimal digit value of a decimal digit character

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

Returns the decimal digit value of a decimal digit character.

Such characters have the general category "Nd" (decimal digit numbers) and a Numeric_Type of Decimal.

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}")

The decimal digit value of codepoint, or -1 if it is not a decimal digit character. Returns null on failure.

Exemple #1 Test de différents codepoint

<?php
var_dump(IntlChar::charDigitValue("1"));
var_dump(IntlChar::charDigitValue("\u{0662}"));
var_dump(IntlChar::charDigitValue("\u{0E53}"));
?>

L'exemple ci-dessus va afficher :

int(1)
int(2)
int(3)

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