PHP : gettype() function
Description
The gettype() function is used to get the type of a variable.
Version
(PHP 4 and above)
Syntax
gettype(var_name)
Parameter
| Name | Description | Required / Optional |
Type |
|---|---|---|---|
| var_name | The name of the variable. | Required | Mixed* |
*Mixed : Mixed indicates that a parameter may accept multiple (but not necessarily all) types.
Return value
Possible values of the returned string :
- boolean
- integer
- double
- string
- array
- object
- resource
- NULL
- unknown type
Example :
<?php
echo gettype(102).'<br>';
echo gettype(true).'<br>';
echo gettype(' ').'<br>';
echo gettype(null).'<br>';
echo gettype(array()).'<br>';
echo gettype(new stdclass());
?>
Output :
integer
boolean
string
NULL
array
object
