PHP: how to keep two decimal places rounded and not rounded _ PHP Tutorial

PHP retains two decimal places and rounding and not rounding. Php keeps two decimal places and returns the code as follows: $ num123213.666666; echosprintf (%. 2f, $ num); php keeps two decimal places and does not show up. copy the code as follows: php keeps two decimal places and rounds them

The code is as follows:

$ Num = 123213.666666;
Echo sprintf ("%. 2f", $ num );

Php keeps two decimal places and does not round

The code is as follows:

$ Num = 123213.666666;
Echo sprintf ("%. 2f", substr (sprintf ("%. 3f", $ num), 0,-2 ));

Php returns an integer

The code is as follows:

Echo ceil (4.3); // 5
Echo ceil (9.999); // 10

Php rounding, taking an integer

The code is as follows:

Echo floor (4.3); // 4
Echo floor (9.999); // 9

The signature code is as follows: $ num = 123213.666666; echo sprintf ("%. 2f", $ num); php keeps two decimal places and the code is as follows...