IntlChar::charDigitValue

(PHP 7)
Get the decimal digit value of a decimal digit character
public static int IntlChar::charDigitValue ( mixed $codepoint )

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.

Parameters:
codepoint

The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

Returns:

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

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

The above example will output:

int(1)
int(2)
int(3)
See also:

IntlChar::getNumericValue() -

doc_php
2016-02-24 15:58:07
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