PHP is_finite()

The is_finite() function evaluates whether the passed value is finite or not and returns a boolean value.

Syntax

$result = is_finite($value);

Returns 1 (true) if the $value is finite, nothing (false) otherwise.

Example

The example below demonstrates the use of the is_finite() function to check whether a number is finite or not.

<?php
  $result = is_finite(100);
  echo $result;
?>

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This will result in the following output:

1

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Codebyte Example

The codebyte below uses the is_finite() function on a pair of values to evaluate whether they are finite:

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