Fatal error: Uncaught Error: Cannot use object of type stdClass as array in C:\xampp\htdocs\dynamic_blog\modules\blog_posts\controllers\Blog_posts.php:151 Stack trace: #0 C:\xampp\htdocs\dynamic_blog\engine\Core.php(209): Blog_posts->submit('') #1 C:\xampp\htdocs\dynamic_blog\engine\Core.php(32): Core->serve_controller() #2 C:\xampp\htdocs\dynamic_blog\public\index.php(5): Core->__construct() #3 {main} thrown in C:\xampp\htdocs\dynamic_blog\modules\blog_posts\controllers\Blog_posts.php on line 151

function submit() {
$this->module('trongate_security');
$this->trongate_security->_make_sure_allowed();

$submit = post('submit', true);

if ($submit == 'Submit') {

$this->validation_helper->set_rules('blog_post_name', 'Blog Post Name', 'required|min_length[2]|max_length[255]');
$this->validation_helper->set_rules('blog_post_content', 'Blog Post Content', 'min_length[2]');
$this->validation_helper->set_rules('home_page_placement', 'Home Page Placement', 'max_length[1]|numeric|less_than[4]|integer');
$this->validation_helper->set_rules('tags', 'Tags', 'min_length[2]|max_length[255]');

$result = $this->validation_helper->run();
//if validation is successful.
if ($result == true) {

$update_id = segment(3);
$data = $this->_get_data_from_post();

//createS url string for the database.
$data['url_string'] = strtolower(url_title($data['blog_post_name']));

//CREATE UNIQUE URL STRING CODE STARTS HERE

//see if there are db entries already
$num_rows = $this->model->count_where('url_string', $data['url_string']);
// json($num_rows, true); -- ALL OKAY
if($num_rows > 0) {
$result_obj = $this->model->get();
//make an array.
$resultData = (array) $result_obj;
//var_dump($resultData); die(); --ALL OKAY
$resultSlug = [];
foreach($resultData as $key)
{
//ERROR - doesnt like this statement here.
$resultSlug[] = $key['url_string'];
}

if(in_array($data['url_string'], $resultSlug)) {
$count = 0;
while( in_array( ($data['url_string'] . '-' . ++$count ), $data) );
$data['url_string'] = $data['url_string'] . '-' . $count;
}

}
//UNIQUE URL STRING CODE ENDS HERE
//creates the post status of draft or publish.
$data['post_status'] = ($data['post_status'] == 1 ? 1 : 0);

if (is_numeric($update_id)) {
//update an existing record
$this->model->update($update_id, $data, 'blog_posts');
$flash_msg = 'The record was successfully updated';
} else {
//insert the new record
$data['date_created'] = date("Y-m-d");
$data['time_created'] = date("H:i:s");
$update_id = $this->model->insert($data, 'blog_posts');
$flash_msg = 'The record was successfully created';
}

set_flashdata($flash_msg);
redirect('blog_posts/show/'.$update_id);

} else {
//form submission error
$this->create();
}

}

}

$resultSlug[] = $key['url_string'];

$resultSlug[] = $key->url_string;

$data[ 'url_string' ] = $this->_unique_url_str( $data[ 'blog_post_name' ] );

function _unique_url_str( $raw_string )
{
$url_string = strtolower( url_title( $raw_string ) );
$count = $this->model->count_where( "url_string", "$url_string%", "LIKE" );

return ( $count > 0 ) ? $url_string . "-" . ++$count : $url_string;
}