civi_student_registration.php

<?php

function create_parent_and_contribution() {

  		$api_params = array(
		  'sequential' => 1,
      'contact_type' => 'Individual',
		  'first_name' => CRM_Utils_Type::validate($_POST['first_name'],'String'),
		  'last_name' => CRM_Utils_Type::validate($_POST['last_name'],'String'),
		  'email' => CRM_Utils_Type::validate($_POST['email'],'String'),
		  'api.Phone.create' => array(
          'sequential' => 1,
          'contact_id' => '$value.id',
          'phone' => CRM_Utils_Type::validate($_POST['phone'],'String'),
          ),
      'api.Address.create' =>  array(
          'sequential' => 1,
          'contact_id' => '$value.id',
          'location_type_id' => "Home",
          'street_address' => CRM_Utils_Type::validate($_POST['street_address'],'String'),
          'city' => CRM_Utils_Type::validate($_POST['city'],'String'),
          'state_province_id' => CRM_Utils_Type::validate($_POST['state_province_id'],'String'),
          'postal_code' => CRM_Utils_Type::validate($_POST['postal_code'],'String'),
        ),
      'api.Contribution.create' =>  array(
          'sequential' => 1,
          'contact_id' => '$value.id',
          'receive_date' => date('m/d/Y g:i a'),
          'total_amount' => '0',
          'financial_type_id' => 'Invoice',
          'invoice_id' => uniqid(),
          'contribution_status_id' => 'Pending',
        ),
		  );
	
	
		try {
			$api_result = civicrm_api3('Contact', 'create', $api_params);

	    return $api_result;			
		}
		catch (CiviCRM_API3_Exception $e) {
		  // handle error here
		  $errorMessage = $e->getMessage();
		  $errorCode = $e->getErrorCode();
		  $errorData = $e->getExtraParams();
      return array(
      'error' => $errorMessage,
      'error_code' => $errorCode,
      'error_data' => $errorData,
    );
		}
}


function create_and_register_students($parent_result) {

  $student_result = [];

  foreach ($_POST['student_details'] AS $student_record){

    $student_details = array(
          'sequential'  => 1,
          'debug' => 1,
          'contact_type' => 'Individual',
          'contact_sub_type' => 'Student',
          'first_name'  =>  CRM_Utils_Type::validate($student_record['student_first_name'],'String'),
          'last_name'   => CRM_Utils_Type::validate($student_record['student_last_name'],'String'),
          'gender_id'   =>  CRM_Utils_Type::validate($student_record['gender_id'],'String'),
          'birth_date'  => CRM_Utils_Type::validate(date("Ymd",strtotime($student_record['birth_date'])),'Date'),  //CRM_Utils_Rule::mysqlDate requires this date format
//          'custom_1'   => CRM_Utils_Type::validate($student_record['custom_1'],'String'),  //Latest Grade Completed
//          'custom_2'   => CRM_Utils_Type::validate($student_record['custom_2'],'String'), //T-Shirt Size
//          'custom_3'   => CRM_Utils_Type::validate($student_record['custom_3'],'String'),  //Allergies
//          'custom_14'   => CRM_Utils_Type::validate($student_record['custom_14'],'String'), //Seating/Grouping Requests
          'api.Relationship.create' => array (
                  'sequential' => 1,
                  'contact_id_a' => '$value.id',
                  'contact_id_b' => $parent_result['id'],
                  'relationship_type_id' => 1,
                  'is_permission_a_b' => 0,
                  'is_permission_b_a' => 1,
                ),
          );

    $student_event_list = [];

    foreach($student_record['event_id'] AS $student_event) {
      
      $student_event_list[] = array(
                    'sequential' => 1,
                    'event_id' => CRM_Utils_Type::validate($student_event,'Positive'),
                    'contact_id' => '$value.id',
                    
                    'status_id' => "Partially paid",
                    'role_id' => "Attendee",
                    'register_date' => date("m/d/Y g:i a"),
                    'fee_level' => "Single",
                    'api.ParticipantPayment.create' => array (
                        'sequential' => 1,
                        'participant_id' => '$value.id',
                        'contribution_id' => $parent_result['values'][0]['api.Contribution.create']['id'],
                        )
                    )
                    ;
    }
      
    $student_details['api.Participant.create'] = $student_event_list;
      
  	try {
  	    $student_result[] = civicrm_api3('Contact', 'create', $student_details);
  	    
  	}
  	catch (CiviCRM_API3_Exception $e) {
		  $errorMessage = $e->getMessage();
		  $errorCode = $e->getErrorCode();
		  $errorData = $e->getExtraParams();
      return array(
      'error' => $errorMessage,
      'error_code' => $errorCode,
      'error_data' => $errorData,
      );
		}

  }

  return $student_result;
}


	function civi_custom_form_submit() {
	
  	try {
      $parent_result = create_parent_and_contribution();
      
      if (!$parent_result['error']) {

          $student_result = create_and_register_students($parent_result);
          
        if (!$student_result['error']) {
          
          //    header("Location:page-camp_registration_confirm.php");
          //    exit;
          return print_r($student_result);
          
        }
        else
        {
          return print_r($student_result);
        }
      }
      else
      {
        return print_r($parent_result);
      }
      
  	}
  	
  	catch (CiviCRM_API3_Exception $e) {
		  $errorMessage = $e->getMessage();
		  $errorCode = $e->getErrorCode();

  	  return $errorCode . ' : ' . $errorMessage;
  	}
    

  }