PHP floor() Function, floor number Math Functions

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PHP floor() Math Functions

Tutorials »Php »

Topic

What is floor Function?

Explanation

The "floor()" function returns the value of a number rounded down to the nearest integer, even a negative number is rounded to the next higher negative value.

Syntax:

    floor(x)

In the above syntax "x" is the number to be rounded down to the nearest integer.

Example:

    <?php
    echo floor(10.1) . "\n";
    echo floor(-6.2);
    ?>

Result:

    10
    -7

In the above example the numbers "10.1", "-6.2" are rounded to the nearest integer "10", "6".

A Note

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