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IntlChar::charDigitValue

PHP function Edit on GitHub ✎

(PHP 7, PHP 8)

Get the decimal digit value of a decimal digit character

Description

IntlChar::charDigitValue(int|string $codepoint): int|null

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.

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

Example

php

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

The above example will output:

output

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