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PHP: is_infinite() function

Description

The is_infinite() function is used to find whether a value is infinite or not.

Version:

(PHP 4 and above)

Syntax:

is_infinite(num)

Parameter:

Name Description Required /
Optional 		Type
num The value to be checked. Required Float

Return value:

TRUE if num is infinite number otherwise FALSE.

Value Type: Boolean

Pictorial Presentation

php math is_infinite() function

Example: 

<?php
$fval1=10.21;
$fval2=-255550.85;
echo is_infinite($fval1);
echo"<br />";
echo is_infinite($fval2);
?>

Output:

 1

View the example in the browser

See also

PHP Function Reference

Previous: is_finite
Next: is_nan



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https://w3resource.com/php/function-reference/is_infinite.php