php格式化数字的小例子 number_format函数的用法举例
发布时间：2017-02-21 编辑：www.jquerycn.cn
本文介绍下，php中用于格式化数字的函数number_format的用法，举了几个小例子，供大家学习参考。
例1，格式化数字为文本
复制代码 代码示例:
<?php
print number_format(100000.56 );
?>
print number_format(100000.56 );
?>
例2，number_format($n, $p, $t, $d) rounds $n to $p decimal places, using $t as the thousands separator and $d as the decimal separator.
复制代码 代码示例:
<?
echo "Total charge is ", number_format($total, 2, ".", ","), " Euros";
?>
echo "Total charge is ", number_format($total, 2, ".", ","), " Euros";
?>
例3，number_format函数用于English format and Italian format
复制代码 代码示例:
<?php
$a = 1232322210.44;
echo number_format ($a, 2); // English format
echo "\n";
echo number_format ($a, 2, ',', '.'); // Italian format
echo "\n";
?>
例4，输出格式化的数字形式
复制代码 代码示例:
<?php
print "The population of the US is about:";
print number_format(285266237);
?>
print "The population of the US is about:";
print number_format(285266237);
?>
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