is_object
(PHP 4, PHP 5, PHP 7, PHP 8)
is_object — Finds whether a variable is an object
Parameters
-
value -
The variable being evaluated.
Return Values
Returns true if value is an object,
false otherwise.
Changelog
| Version | Description |
|---|---|
| 7.2.0 |
is_object() now returns true for unserialized objects without
a class definition (class of __PHP_Incomplete_Class). Previously
false was returned.
|
Examples
Example #1 is_object() example
<?php
// Declare a simple function to return an
// array from our object
function get_students($obj)
{
if (!is_object($obj)) {
return false;
}
return $obj->students;
}
// Declare a new class instance and fill up
// some values
$obj = new stdClass();
$obj->students = array('Kalle', 'Ross', 'Felipe');
var_dump(get_students(null));
var_dump(get_students($obj));
?>
See Also
- is_bool() - Finds out whether a variable is a boolean
- is_int() - Find whether the type of a variable is integer
- is_float() - Finds whether the type of a variable is float
- is_string() - Find whether the type of a variable is string
- is_array() - Finds whether a variable is an array
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