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$str = 35.5454;

ÏÖÏëÈ¡ 35.5
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PHP code:
$result = round(35.5454,1);

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

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cakexiang


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#4Â¥ µÃ·Ö£º3»Ø¸´ÓÚ£º2010-04-22 13:38:36

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

ͬÒâ

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PHP code:
$str = 35.5454;
$num =number_format($str,1)

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$xxx=sprintf('%.1f',$xxx);

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$result = round(35.5454,1);

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sprintf('%0.1f',$str);

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round(35.5454,1);

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round(3.14159,1);

number_format(3.14159265,1,'.','');//Õâ¸öЧ¹û¸ü¼Ñ£¬Î²ÊýÊÇ 0 £¬»á×Ô¶¯²¹ÉÏ0µÄ

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round(3.14159,1);

number_format(3.14159265,1,'.','');//Õâ¸öЧ¹û¸ü¼Ñ£¬Î²ÊýÊÇ 0 £¬»á×Ô¶¯²¹ÉÏ0µÄ

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$xxx=sprintf('%.1f',$xxx);

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