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php中可以使用取绝对值函数 abs() 将负数转成正数
2022-07-26 03:44:00 【知其黑、受其白】
阅读目录
php 使用 abs() 函数取绝对值可以实现负数转正数的方法。
echo(abs(6.7)); //6.7
echo '<hr>';
echo(abs(-3))边栏推荐
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