Codeigniter Check if function in model exists from controller

Question

Hope this is just something quick, but I can't find something that works.

I want to check if a function exists in a model from a controller in CodeIgniter, and if it does, it should run the function.

I have tried the following:

$comp_model = 'model_comp_'.$comp_code;
$this->load->model('comp/'.$comp_model);

if (function_exists($this->$comp_model->join_comp))
...

and

if (method_exists($this, $comp_model->join_comp()))
...

even just calling the function in the if statement

if ($this->$comp_model->join_comp())
...

Please help!

I need to automatically write something in a database, but only if that function exists...To Explain, we are a dance competition organization, and for some of our competitions you need to apply for memberships and others you are automatically approve, and if that function exists, you are automatically approved — CopperRabbit
– CopperRabbit, Commented Aug 6, 2015 at 9:08

Vlado · Accepted Answer · 2017-10-14 18:15:56Z

1

I had the same problem and solved it this way:

$modelName = 'some_model';
$pageModelPath = APPPATH . 'models' . DIRECTORY_SEPARATOR . $modelName . '.php';
if( file_exists( $pageModelPath ) ){
    require $pageModelPath;
    $model = new $modelName;

    if( method_exists($model, 'myFunction') ){
        $model->myFunction();
    }
}

answered Oct 14, 2017 at 18:15

Vlado

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Comments

Meneer Venus · Accepted Answer · 2015-08-06 09:20:18Z

0

Can't you just implement the method in all models? I think you should create a parent with an protected method called join_comp() and make all your models derive from that parent. You could just add the 'automatic approval' code to the specified model.

answered Aug 6, 2015 at 9:20

Meneer Venus

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1 Comment

CopperRabbit Over a year ago

I scratched the idea, decided its easier to make it so that when the school does the first entry, it will be added to the database, and when the last entry is removed, the school is removed as well, just makes a bit more sense to me, but thanx for the help

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