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+--- Thread: Accessing a custom object with instanceof (/showthread.php?tid=78474)
Accessing a custom object with instanceof - baxterheinen - 01-25-2021
I have instantiated a new object from a class in my app/libraries folder as such:
PHP Code:
// in controller
use App\Libraries\LN_Account;
PHP Code:
// in controller method
$account = new LN_Account();
But when I pass $account to my model and check if it is an instance of LN_Account the conditional fails.
PHP Code:
// in controller method
$account = $this->AuthenticationModel->getAuthenticationCredentials($account);
PHP Code:
// in model
public function getAuthenticationCredentials($account) {
if ($account instanceof LN_Account) {
// I never get here
}
}
How do I make LN_Account visible to my model?
RE: Accessing a custom object with instanceof - craig - 01-26-2021
In model:
Code:
use App\Libraries\LN_Account;You can also do the following in getAuthenticationCredentials() to show details about the variable:
Code:
d($account);RE: Accessing a custom object with instanceof - baxterheinen - 01-26-2021
I tried adding that to the Model with no luck. Same error.
I have been using CI3 for like 8 years so not a n00b here, and PHP for 15 years. This one has me stumped.
RE: Accessing a custom object with instanceof - natanfelles - 01-26-2021
LN_Account has the proper use call in the model?
RE: Accessing a custom object with instanceof - baxterheinen - 01-26-2021
The specific error is: Class 'LN_Account' not found
The model is like this:
PHP Code:
namespace App\Models;
use CodeIgniter\Model;
use App\Libraries\LN_Account;
Class AuthenticationModel extends Model {
public function getAuthenticationCredentials($account) {
if ($account instanceof LN_Account) {
$sql = "SELECT * FROM ln_authentication WHERE username = ?";
$query = $this->db->query($sql, array($credentials->username));
$account = $query->getCustomRowObject(0, 'LN_Account');
}
return $account;
}
}
LN_Account is in app\Libraries
PHP Code:
namespace App\Libraries;
class LN_Account {
....
}
if I print_r $credentials inside the model/method I get this, so the controller knows what it is and created it.
PHP Code:
App\Libraries\LN_Account Object
(
[id] => 0
[username] => admin@domain.com
[password] =>
[password_key] => 0
[password_key_timeout] => 0
[status] =>
[created_at] => 0
[updated_at] => 0
[deleted_at] => 0
)
Okay so the outer if ($account instanceof LN_Account) seems to work now, it's this that doesn't:
$credentials = $query->getCustomRowObject(0, 'LN_Account')
Do I have to instantiate a new LN_Account() for it to use? I figured it would do it automatically.
RE: Accessing a custom object with instanceof - iRedds - 01-26-2021
(01-26-2021, 06:18 PM)baxterheinen Wrote: The specific error is: Class 'LN_Account' not found
15 years
Of course you will get an error.
PHP Code:
//use
->getCustomRowObject(0, 'App\\Libraries\\LN_Account');
// or
->getCustomRowObject(0, LN_Account::class);
RE: Accessing a custom object with instanceof - baxterheinen - 01-26-2021
(01-26-2021, 06:34 PM)iRedds Wrote:(01-26-2021, 06:18 PM)baxterheinen Wrote: The specific error is: Class 'LN_Account' not found
15 years
Of course you will get an error.
PHP Code://use
->getCustomRowObject(0, 'App\\Libraries\\LN_Account');
// or
->getCustomRowObject(0, LN_Account::class);
Ah, because it's not already an object, got it.
(01-26-2021, 06:37 PM)baxterheinen Wrote:(01-26-2021, 06:34 PM)iRedds Wrote:(01-26-2021, 06:18 PM)baxterheinen Wrote: The specific error is: Class 'LN_Account' not found
15 years
Of course you will get an error.
PHP Code://use
->getCustomRowObject(0, 'App\\Libraries\\LN_Account');
// or
->getCustomRowObject(0, LN_Account::class);
Ah, because it's not already an object, got it.
Why don't the docs cover this? They say the autoloader will instantiate it.
https://codeigniter.com/user_guide/database/results.html
RE: Accessing a custom object with instanceof - iRedds - 01-26-2021
(01-26-2021, 06:37 PM)baxterheinen Wrote: Ah, because it's not already an object, got it.
Why don't the docs cover this? They say the autoloader will instantiate it.
https://codeigniter.com/user_guide/database/results.html
Incorrect example in the documentation.
The documentation uses the User class without a namespace, so just 'User' is passed as a parameter.
If the class uses a namespace, then it must also be specified.
RE: Accessing a custom object with instanceof - InsiteFX - 01-27-2021
This is from PHP.net.
Code:
If you want to test if a classname is an instance of a class, the instanceof operator won't work.
<?php
$classname = 'MyClass';
if( $classname instanceof MyParentClass) echo 'Child of it';
else echo 'Not child of it';
?>
Will always output
Not child of it
You must use a ReflectionClass :
<?php
$classname = 'MyClass';
$myReflection = new ReflectionClass($classname);
if( $myReflection->isSubclassOf('MyParentClass')) echo 'Child of it';
else echo 'Not child of it';
?>
Will output the good result.
If you're testing an interface, use implementsInterface() instead of isSublassOf().