PHP: floor() function

Description

The floor() function is used to convert a given numeric value to the next lowest integer value by rounding (if necessary).

Version:

(PHP 4 and above)

Syntax:

floor(num)

Parameter:

Return value:

Rounded number.

Value Type: Float.

Pictorial Presentation

Example:

<?php
$val1=10;
$val2=-111.13;
$val3=100.01;
$val4=-200;
$zflr1=floor($val1);
$zflr2=floor($val2);
$zflr3=floor($val3);
$zflr4=floor($val4);
echo "Floor value of $val1 is $zflr1<br />";
echo "Floor value of $val2 is $zflr2<br />";
echo "Floor value of $val3 is $zflr3<br />";
echo "Floor value of $val4 is $zflr4<br />";
?>

Output:

 Floor value of 10 is 10
Floor value of -111.13 is -112
Floor value   of 100.01 is 100
Floor value of -200 is -200

View the example in the browser

See also

PHP Function Reference

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