PHP is_infinite() function

Complete PHP Math Reference

Definition and Usage

The is_infinite() function returns true if the specified value is an infinite number, otherwise it returns nothing.

The value is infinite if it is too big to fit into a PHP float on this platform.

Syntax

is_infinite(x)

Example

<?php
echo is_infinite(2) . "<br />";
echo is_infinite(log(0)) . "<br />";
echo is_infinite(2000);
?>

The output of the code above will be:

 
1
 

Complete PHP Math Reference

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