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IntlChar::charDigitValue

(PHP 7)

IntlChar::charDigitValue — 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.

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}")

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

Example #1 Testing different code points


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

위 예제의 출력:

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

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