integer in PHP
This integer data type holds only numeric values. It stores only whole number with no fractional component. The range of integers must lie between -2^31 to 2^31.
```
<?php
$x=-1;
echo $x;
?>
```
Output:
```
-1
```
This integer data type holds only numeric values. It stores only whole number with no fractional component. The range of integers must lie between -2^31 to 2^31.
```
<?php
$x=-1;
echo $x;
?>
```
Output:
```
-1
```