- around:
a.代码:<?php $num1 = round(5,2); $num2 = round(5.123,2); echo $num1.PHP_EOL; echo $num2.PHP_EOL;
b.输出:
5 5.12
- sprintf:
a.代码:<?php $num1 = sprintf('%.2f',5); $num2 = sprintf('%.2f',5.123); echo $num1.PHP_EOL; echo $num2.PHP_EOL;
b.输出:
5.00 5.12
- number_format:
a.代码:<?php $num1 = number_format(5,2); $num2 = number_format(5.123,2); echo $num1.PHP_EOL; echo $num2.PHP_EOL;
b.输出:
5.00 5.12
php保留两位小数的三种方法
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转载自blog.51cto.com/12173069/2116499
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