How to use php round function?
php The round function is used to round floating-point numbers. Its syntax is round(x,prec). The parameter x is optional and specifies the number to be rounded; prec is optional and specifies the number of digits after the decimal point.

#How to use php round function?
Definition and usage
round() function rounds floating point numbers.
Syntax
round(x,prec)
Parameters
x Optional. Specifies the number to be rounded.
prec Optional. Specifies the number of digits after the decimal point.
Description
Returns the result of rounding x according to the specified precision prec (the number of decimal digits after the decimal point). prec can also be negative or zero (default).
Tips and Notes
Note: PHP cannot handle strings like "12,300.2" correctly by default.
Note: The prec parameter was introduced in PHP 4. .
Example
<?php echo(round(0.60)); echo(round(0.50)); echo(round(0.49)); echo(round(-4.40)); echo(round(-4.60)); ?>
Output:
1 1 0 -4 -5
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