Rounding and Formatting Numbers

<?php
echo floor(3.14159265);
// Value would be 3

echo ceil(3.99999999);
// Value would be 3

echo ceil(-3.14159265);
// Value would be -4
?>

Index: Rounding and Formatting Numbers

1. Round () - Rounding Numbers
2. Ceil () - Always Rounding Up
3. Floor () - Always Rounding Down
4. Number_format () - Formatting your Numbers