ConFoo 2025

NumberFormatter::setAttribute

numfmt_set_attribute

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >= 1.0.0)

NumberFormatter::setAttribute -- numfmt_set_attributeSet an attribute

说明

面向对象风格

public NumberFormatter::setAttribute(int $attribute, int|float $value): bool

过程化风格

numfmt_set_attribute(NumberFormatter $formatter, int $attribute, int|float $value): bool

Set a numeric attribute associated with the formatter. An example of a numeric attribute is the number of integer digits the formatter will produce.

参数

formatter

NumberFormatter object.

attribute

Attribute specifier - one of the numeric attribute constants.

value

The attribute value.

返回值

成功时返回 true, 或者在失败时返回 false

示例

示例 #1 numfmt_set_attribute() example

<?php
$fmt
= numfmt_create( 'de_DE', NumberFormatter::DECIMAL );
echo
"Digits: ".numfmt_get_attribute($fmt, NumberFormatter::MAX_FRACTION_DIGITS)."\n";
echo
numfmt_format($fmt, 1234567.891234567890000)."\n";
numfmt_set_attribute($fmt, NumberFormatter::MAX_FRACTION_DIGITS, 2);
echo
"Digits: ".numfmt_get_attribute($fmt, NumberFormatter::MAX_FRACTION_DIGITS)."\n";
echo
numfmt_format($fmt, 1234567.891234567890000)."\n";
?>

示例 #2 OO example

<?php
$fmt
= new NumberFormatter( 'de_DE', NumberFormatter::DECIMAL );
echo
"Digits: ".$fmt->getAttribute(NumberFormatter::MAX_FRACTION_DIGITS)."\n";
echo
$fmt->format(1234567.891234567890000)."\n";
$fmt->setAttribute(NumberFormatter::MAX_FRACTION_DIGITS, 2);
echo
"Digits: ".$fmt->getAttribute(NumberFormatter::MAX_FRACTION_DIGITS)."\n";
echo
$fmt->format(1234567.891234567890000)."\n";
?>

以上示例会输出:

Digits: 3
1.234.567,891
Digits: 2
1.234.567,89

参见

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