PHP is_finite() Function

Definition and Usage

The is_finite() function determines whether a value is finite.

Syntax

is_finite(x)
Parameter Description
x Required. Specifies the value to be checked.

Description

If x Returns true if the value is a legal finite value within the range allowed by the PHP floating-point number on the local platform.

Example

<?php
echo is_finite(2);
echo is_finite(log(0));
echo is_finite(2000);
?>

Output:

1
1