Split Testing for Gravity Forms

Allows you to test the effectiveness of two or more Gravity Forms by using a single shortcode (or function call) to randomly alternating which form is displayed. Effectiveness can be measured by the “Conversion” column available by default on the Gravity Forms’ “Forms” list view.

Based on https://gist.github.com/fatmedia/8289103 by @realFATmedia via @mattreport

Code

Filename: gw-split-testing.php

<?php
/**
 * Gravity Wiz // Gravity Forms // Split Testing for Gravity Forms
 *
 * Allows you to test the effectiveness of two or more Gravity Forms by using a single shortcode (or function call) to
 * randomly alternating which form is displayed. Effectiveness can be measured by the "Conversion" column available
 * by default on the Gravity Forms' "Forms" list view.
 *
 * Based on https://gist.github.com/fatmedia/8289103 by @realFATmedia via @mattreport
 *
 * @version   1.0
 * @author    David Smith <david@gravitywiz.com>
 * @license   GPL-2.0+
 * @link      https://gravitywiz.com/simple-split-testing-gravity-forms/
 * @copyright 2013 Gravity Wiz
 */
class GW_Split_Testing {

	protected static $instance = null;

	public static function get_instance() {

		if ( null == self::$instance ) {
			self::$instance = new self;
		}

		return self::$instance;
	}

	private function __construct() {

		add_filter( 'gform_shortcode_split_test', array( $this, 'do_split_test_shortcode' ), 10, 2 );

	}

	public function do_split_test_shortcode( $output, $atts ) {

		// get our "random" form ID from the provided form IDs
		$form_ids = array_map( 'trim', explode( ',', $atts['ids'] ) );

		return $this->get_split_test_form( $form_ids, $atts );
	}

	public function get_split_test_form( $form_ids = array(), $atts = array() ) {

		if ( empty( $form_ids ) ) {
			return;
		}

		if ( rgpost( 'gform_submit' ) && in_array( rgpost( 'gform_submit' ), $form_ids ) ) {
			$form_id = rgpost( 'gform_submit' );
		} else {
			$index   = mt_rand( 0, count( $form_ids ) - 1 );
			$form_id = $form_ids[ $index ];
		}

		// modify attributes to create form-generating shortcode
		$atts['action'] = 'form';
		$atts['id']     = $form_id;

		// generate 

Oops! We could not locate your form.

form shortcode
$shortcode_bits = array(); foreach ( $atts as $key => $value ) { if ( is_array( $value ) ) { $value = implode( ',', $value ); } if ( $value === true ) { $value = 'true'; } if ( $value === false ) { $value = 'false'; } $shortcode_bits[] = "{$key}="$value""; } $shortcode = '

Oops! We could not locate your form.

'
; // get the form markup by processing the generated shortcode $form_markup = do_shortcode( $shortcode ); return $form_markup; } } function gw_split_testing() { return GW_Split_Testing::get_instance(); } gw_split_testing();

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