The **`is_int`** method can be used to check if a variable is an integer. 

#      
## Syntax

---
    is_int(mixed $value): bool
---

## Return value

The `is_int` method returns `true` if the passed value is an integer. Otherwise, it returns `false`.

<?php 
  $test = 10;
  printIsInt($test);

  $test = 10000;
  printIsInt($test);

  $test = 100.1;
  printIsInt($test);

  $test = '10';
  printIsInt($test);

  function printIsInt($test){
    echo "The value is: ";
    var_dump($test);

    echo "Is Integer: ";
    var_dump(is_int($test));
    
    echo "---------\n\n";
  }
?>

#   
## Explanation

In the code above: 

* We use the `is_int` method to check if the variable is an integer.

* For the values `10` and `10000`, the `is_int` method returns `true`. 

* For the values `100.1(float)` and `'10'(string)`, the `is_int` method returns `false`, as these are not integers.

What is the is_int method in PHP?

Syntax

Return value

Code

Explanation