Trying to add comment

gistfile1.txt

		<form action="" id="new_comment" name="new_comment" method="POST">
		<textarea rows="3" cols="50" id="commentContent" name="commentContent" placeholder="Type notes about this APU" name="commentContent"></textarea>

		<button type="submit" style="float:right; margin:10px;"><i class="fa fa-comments fa-lg" style="margin-right:10px;"></i> Add Note</button>

		</form>';


		// END FORM HTML



		/* Comment Form PHP */



		if( 'POST' == $_SERVER['REQUEST_METHOD'] && !empty( $_POST['action'] ) &&  $_POST['action'] == "new_game_post") {

		// Validate the field to ensure it isn't empty.


		if (isset ($_POST['commentContent'])) {
		$comment =  $_POST['commentContent'];
		} else {
		echo 'Please enter a note';
		}


		// Add the content of the form to $post as an array
		$new_comment = array(

		'comment_content'  => $comment,
		'comment_author' => get_current_user_id()
		);
		
		//insert comment
		wp_insert_comment($new_comment); 


		}