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PHP floating point number rounding rounding

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Release： 2016-07-28 08:27:52
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<?php
 $a = 1.1;
 $b = 3.9;

 //取整数部分
 echo floor($a);	// 1
 echo floor($b);	// 3

 // 进一取整
 echo ceil($a);		// 2
 echo ceil($b);		// 4

 // 四舍五入
 echo round($a);	// 1
 echo round($b);	// 4
?>
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The above has introduced PHP floating point number rounding, rounding, and rounding, including aspects of the content. I hope it will be helpful to friends who are interested in PHP tutorials.

Related labels：
ceil echo floor php round
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