Certification submit

$formValues = $this->input->post(NULL, TRUE);

			//Certifications Array
			$certifications = array(
				'date_of_certification',
				'date_certification_expires',
				'chef',
				'deck',
				'diving',
				'engineering',
				'interior',
				'safety',
				'specialty',
				'other_qualifications_or_certificates',
				'certification_verified',
				'certification_verification_date',
				'certification_verified_by'
			);

			foreach ($certifications as $key => $value) {
				// Remove from save to Crew Table
				unset($formValues[$value]);
				// Insert into database
				// Check if not empty
				if (!empty($this->input->post($value) ) ) {
					foreach ($this->input->post($value) as $key_post => $value_post) {
						if (!empty($value_post)) {
							$data_insert_certifications[$value] = $value_post;
						}
						
					}
				}

				
			}
			// Insert into Database if not empty
			if (!empty($data_insert_certifications)) {
				$data_insert_certifications['user_id'] = $user_id;
				$this->db->insert('certifications', $data_insert_certifications);
			}