PHP _ retain two decimal places and rounding _ Keep two decimal places and not rounding

PHP keeps two decimal places and rounds the PHP code

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

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

PHP keeps two decimal places and does not round the PHP code

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

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

PHP returns the entire PHP code.

1. Echo Ceil (4.3); // 5
2. Echo Ceil (9.999); // 10

Echo Ceil (4.3); // 5 echo Ceil (9.999); // 10

PHP rounding method, taking the integer PHP code

1. Echo floor (4.3); // 4
2. Echo floor (9.999); // 9

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