PHP 7.1.21 Released

IntlChar::forDigit

(PHP 7)

IntlChar::forDigitGet character representation for a given digit and radix

説明

public static int IntlChar::forDigit ( int $digit [, int $radix = 10 ] )

Determines the character representation for a specific digit in the specified radix.

If the value of radix is not a valid radix, or the value of digit is not a valid digit in the specified radix, the null character (U+0000) is returned.

The radix argument is valid if it is greater than or equal to 2 and less than or equal to 36. The digit argument is valid if 0 <= digit < radix.

If the digit is less than 10, then '0' + digit is returned. Otherwise, the value 'a' + digit - 10 is returned.

パラメータ

digit

The number to convert to a character.

radix

The radix (defaults to 10).

返り値

The character representation (as a string) of the specified digit in the specified radix.

例1 さまざまなコードポイントの例

<?php
var_dump
(IntlChar::forDigit(0));
var_dump(IntlChar::forDigit(3));
var_dump(IntlChar::forDigit(310));
var_dump(IntlChar::forDigit(10));
var_dump(IntlChar::forDigit(1016));
?>

上の例の出力は以下となります。

int(48)
int(51)
int(51)
int(0)
int(97)

参考

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