NumberFormatter
PHP Manual

NumberFormatter::setAttribute

numfmt_set_attribute

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

NumberFormatter::setAttribute -- numfmt_set_attribute — Set an attribute

说明

面向对象风格

public bool NumberFormatter::setAttribute ( int $attr , int $value )

过程化风格

bool numfmt_set_attribute ( NumberFormatter $fmt , int $attr , int $value )

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

fmt

NumberFormatter object.

attr

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。

范例

Example #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";
?>

Example #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";
?>

以上例程会输出：

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

参见

NumberFormatter
PHP Manual