php取一位小数

Jun 13, 2016 pm 01:24 PM
format round str

php取一位小数,在线等
$str = 35.5454;

现想取 35.5
怎么实现呀,

------解决方案--------------------

PHP code
$result = round(35.5454,1);
<br><font color="#e78608">------解决方案--------------------</font><br>$str = 35.5454;<br>$str = number_format($str, 1);  <br>echo $str;
<br><font color="#e78608">------解决方案--------------------</font><br>
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探讨

$str = 35.5454;
$str = number_format($str, 1);
echo $str;

------解决方案--------------------
PHP code
$str = 35.5454;
$num =number_format($str,1)
<br><font color="#e78608">------解决方案--------------------</font><br>$xxx=sprintf('%.1f',$xxx);
<br><font color="#e78608">------解决方案--------------------</font><br>$result = round(35.5454,1);
<br><font color="#e78608">------解决方案--------------------</font><br>结帖给分吧。<br>真的在线么????
<br><font color="#e78608">------解决方案--------------------</font><br>sprintf('%0.1f',$str);
<br><font color="#e78608">------解决方案--------------------</font><br>飘过!
<br><font color="#e78608">------解决方案--------------------</font><br>round(35.5454,1);
<br><font color="#e78608">------解决方案--------------------</font><br>round(3.14159,1);<br><br>number_format(3.14159265,1,'.','');//这个效果更佳,尾数是 0 ,会自动补上0的
<br><font color="#e78608">------解决方案--------------------</font><br>
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探讨
round(3.14159,1);

number_format(3.14159265,1,'.','');//这个效果更佳,尾数是 0 ,会自动补上0的
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