Rounding and Formatting Numbers

<?php
echo ceil(3.14159265);
// Value would be 4

echo ceil(3.00000001);
// Value would be 4

echo ceil(-3.14159265);
// Value would be -3
?>

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