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The integer function is often used. let's make a summary today! Actually, it's quite simple, just a few functions ~~ Major methods: ceil, floor, round, intval integer methods such as rounding, rounding, and ignoring decimals
There are four common

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

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

Decimal Example: PHP reserved two decimal places and rounded $n =0.1265489;echo sprintf ("%.2f", $n); 0.13 As you can see, we used the sprintf function to format the $n%.2f is the target format, where 2 means that two-bit f means float

One, the conversion between decimal and binary (1) Decimal conversion to binary, divided into integers and fractional parts ① whole number of parts Methods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder

One, the conversion between decimal and binary(1) Decimal conversion to binary, divided into integers and fractional parts① whole number of partsMethods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder is

Decimal Example:
PHP reserved two decimal places and rounded
$n =0.1265489;echo sprintf ("%.2f", $n); 0.13
As you can see, we used the sprintf function to format the $n%.2f is the target format, where 2 means that two-bit f means float

one or 10 conversion between binary and binary(1) Decimal conversion to binary, divided into integers and fractional parts① Integer PartMethods: In addition to the 2 method, that is, each time the integer part divided by 2, the remainder is the

This article mainly introduces the PHP rounding, rounding, round function Use example, the need for friends can refer to the following
Decimal Example:
PHP reserved two decimal places and rounded
Copy the Code code as follows:
$n =0.1265489;echo

The Bigdecimal.setscale () method is used to format the decimal point
Setscale (1) means to keep a decimal number by default by rounding
Setscale (1,bigdecimal.round_down) directly remove the extra decimal places, such as 2.35 will become

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