What are the ways to implement division and rounding in PHP?

php methods to implement division and rounding are: 1. Use the "intval()" function to perform downward rounding operation, the syntax is "intval (divisor variable/divisor variable)"; 2. Use "round ()" function to perform rounding operations, the syntax is "round (divisor variable/divisor variable)"; 3. Use the "floatdiv()" function to perform floating point operations and use the "intval()" function to round, the syntax is "intval( floatdiv(divisor, dividend)".

Operating system for this tutorial: Windows 10 system, php8.1.3 version, Dell G3 computer.

php The methods to implement division and rounding are:

1. Use the intval() function to perform downward rounding operation

$numerator = 10;
$denominator = 3;
$result = intval($numerator / $denominator);
echo $result; // 输出结果为3

This method will use the intval() function to perform the rounding operation from The decimal part of the quotient of the numerator and denominator is truncated to all digits and returns an integer result. Here we use $numerator / $denominator to get the quotient, and then call the intval() function to truncate the decimal part of the quotient downward.

2. Use the round() function for rounding operation

$numerator = 10;
$denominator = 3;
$result = round($numerator / $denominator);
echo $result; // 输出结果为3

This method will use the round() function to round the quotient and return an integer result. Here we use $numerator / $ The denominator gets the quotient, and then calls the round() function to round the quotient.

3. Use the floatdiv() function to perform floating point operations and the intval() function to round

$numerator = 7;
$denominator = 2;
$result = intval(floatdiv($numerator , $denominator)); //PHP7之后用/替换掉，
echo $result; // 输出结果为3

This method will use the floatdiv() function to perform floating point operations to determine the quotient, and use the intval() function to truncate all decimal places and return the result of an integer.

In any of the above methods, we You can perform division and rounding operations by passing the numerator and denominator to the operation function.

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