This article is the official HTML5 training course for h5edu institutions, mainly introduces: JavaScript intensive tutorial--javascript Math (Arithmetic) object The function of the Math object is: Perform common arithmetic tasks. Round () How to use
Ceil is a function for getting a value from the up position; floor is a function for rounding out the decimal places to get a value; round is a function for rounding out. Ceil definition and usage: the ceil () function rounds up to the nearest
PHP takes integer functions commonly used in four ways:
1. Direct rounding, discarding decimals, preserving integers: intval ();2 Rounding and Rounding: round ();3. Rounding up, there are decimals on the addition of 1:ceil ();4. Rounding Down:
A ceil is a function that gets a value upward;
Floor is the function of rounding out the decimal place to get a value;
Round is a function that is used for rounding.
CeilDefinition and Usage:
The Ceil () function rounds up to the nearest
Ceil is a function for getting a value from the up position; floor is a function for rounding out the decimal places to get a value; round is a function for rounding out. Ceil definition and usage: The ceil () function rounds up to the nearest
PHP takes integer functions commonly used in four ways:1. Direct rounding, discarding decimals, preserving integers: intval ();2 Rounding and Rounding: round ();3. Rounding up, there are decimals on the addition of 1:ceil ();4. Rounding Down: Floor (
PHP rounding, rounding, round function Use example, rounding round
Decimal Example:
PHP reserved two decimal places and rounded
Copy the Code code as follows:$n = 0.1265489;Echo sprintf ("%.2f", $n); 0.13
As you can see, we used the sprintf
Decimal Example:
PHP retains two decimal places and rounded up
Copy Code code as follows:
$n = 0.1265489;
Echo sprintf ("%.2f", $n); 0.13
You can see we used the sprintf function to format the $n%.2f is the target format,
Example of PHP rounding, rounding, and using the round function. Example of using the PHP rounding, rounding, and round functions, and rounding the round decimal places: PHP keeps two decimal places and rounds them to copy the code as follows: $ n0.1
This article mainly introduces the PHP division operations rounded rounding, up rounding, down rounding, the use of fractional interception, has a certain reference value, now share to everyone, there is a need for friends can refer to
PHP takes
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