PHP is_finite() Function, Finite Number, Math Functions

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PHP is_finite() - Math Functions

Tutorials »Php »

Topic

What is is_finite Function?

Explanation

The "is_finite()" function finds whether a value is a legal finite number.

Syntax:

    is_finite(x)

In the above syntax "x" is the number to be checked to find whether its a legal finite number.

Example:

    <?php
    echo is_finite(4);
    echo is_finite(4000);
    ?>

Result:

    1
    1

In the above example both the numbers are finite numbers, so it returns "true", otherwise it returns nothing.

A Note

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