visual-web-optimizer / visual-website-optimizer.php

visual-website-optimizer.php in Visual Website Optimizer 3.9, at visual-website-optimizer.php

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1	<?php
2	/*
3	Plugin Name: VWO
4	Plugin URI: https://vwo.com/
5	Description: VWO is the all-in-one platform that helps you conduct visitor research, build an optimization roadmap, and run continuous experimentation. Simply enable the plugin and start running tests on your Wordpress website without doing any other code changes. Visit <a href="https://vwo.com/">VWO</a> for more details.
6	Author: VWO
7	Version: 3.9
8	visual-website-optimizer.php
9	Author URI: https://vwo.com/
10
11	This relies on the actions being present in the themes header.php and footer.php
12	* header.php code before the closing </head> tag
13	* wp_head();
14	*
15	*/
16
17	//------------------------------------------------------------------------//
18	//---Config---------------------------------------------------------------//
19	//------------------------------------------------------------------------//
20
21	/**
22	* Generate Common Code
23	* @param type $vwo_id integer
24	* @return type string
25	*/
26	function get_vwo_clhf_script_common_code($vwo_clicks = 10) {
27	ob_start();
28	?>
29	<!-- Start VWO Common Smartcode -->
30	<script <?php echo vwo_clhf_ignore_js_attr(); ?> type='text/javascript'>
31	var _vwo_clicks = <?php echo $vwo_clicks ?>;
32	</script>
33	<!-- End VWO Common Smartcode -->
34	<?php
35	$script_code = ob_get_clean();
36	return $script_code;
37	}
38
39	/**
40	* Get ignore js field setting
41	* @return type boolean
42	*/
43	function get_vwo_clhf_ignore_js(){
44	$ignore_js = get_option('ignore_js');
45	$ignore_js = ($ignore_js == '1') ? true : false;
46	return $ignore_js;
47	}
48
49	/**
50	* Get ignore js script attribute value
51	* @return type boolean
52	*/
53	function vwo_clhf_ignore_js_attr(){
54	$ignore_js = get_vwo_clhf_ignore_js();
55	$js_attr = '';
56	if(function_exists('get_vwo_clhf_ignore_js') && $ignore_js){
57	$js_attr = 'data-cfasync="false"';
58	}
59	return $js_attr;
60	}
61
62	/**
63	* Generate Synchronous Code
64	* @param type $vwo_id integer
65	* @return type string
66	*/
67	function get_vwo_clhf_script_sync_code($vwo_id = 0) {
68	ob_start();
69	?>
70	<!-- Start VWO Smartcode -->
71	<script <?php echo vwo_clhf_ignore_js_attr();?> src="https://dev.visualwebsiteoptimizer.com/lib/<?php echo $vwo_id ?>.js"></script>
72	<!-- End VWO Smartcode -->
73	<?php
74	$sync_script = ob_get_clean();
75	return $sync_script;
76	}
77
78	/**
79	* Generate Asynchronous Code
80	* @param type $vwo_id integer
81	* @param type $settings_tolerance integer
82	* @param type $library_tolerance integer
83	* @param type $use_existing_jquery string
84	* @return type string
85	*/
86	function get_vwo_clhf_script_async_code($vwo_id, $settings_tolerance, $library_tolerance, $use_existing_jquery) {
87	ob_start();
88	?>
89	<!-- Start VWO Async Smartcode -->
90	<script <?php echo vwo_clhf_ignore_js_attr(); ?> type='text/javascript'>
91	/* Fix: wp-rocket (application/ld+json) */
92	window._vwo_code = window._vwo_code \|\| (function(){
93	var account_id= <?php echo $vwo_id ?>,
94	settings_tolerance= <?php echo $settings_tolerance ?>,
95	library_tolerance= <?php echo $library_tolerance ?>,
96	use_existing_jquery= <?php echo ($use_existing_jquery) ? 'true' : 'false'; ?>,
97	is_spa=1,
98	hide_element='body',
99	/* DO NOT EDIT BELOW THIS LINE */
100	f=false,d=document,code={use_existing_jquery:function(){return use_existing_jquery;},library_tolerance:function(){return library_tolerance;},finish:function(){if(!f){f=true;var a=d.getElementById('_vis_opt_path_hides');if(a)a.parentNode.removeChild(a);}},finished:function(){return f;},load:function(a){var b=d.createElement('script');b.src=a;b.type='text/javascript';b.innerText;b.onerror=function(){_vwo_code.finish();};d.getElementsByTagName('head')[0].appendChild(b);},init:function(){
101	window.settings_timer=setTimeout('_vwo_code.finish()',settings_tolerance);var a=d.createElement('style'),b=hide_element?hide_element+'{opacity:0 !important;filter:alpha(opacity=0) !important;background:none !important;}':'',h=d.getElementsByTagName('head')[0];a.setAttribute('id','_vis_opt_path_hides');a.setAttribute('type','text/css');if(a.styleSheet)a.styleSheet.cssText=b;else a.appendChild(d.createTextNode(b));h.appendChild(a);this.load('https://dev.visualwebsiteoptimizer.com/j.php?a='+account_id+'&u='+encodeURIComponent(d.URL)+'&f='+(+is_spa)+'&r='+Math.random());return settings_timer; }};window._vwo_settings_timer = code.init(); return code; }());
102	</script>
103	<!-- End VWO Async Smartcode -->
104	<?php
105	$async_script = ob_get_clean();
106	return $async_script;
107	}
108
109	//------------------------------------------------------------------------//
110	//---Hook-----------------------------------------------------------------//
111	//------------------------------------------------------------------------//
112	add_action( 'wp_head', 'vwo_clhf_headercode',1 );
113	add_action( 'admin_menu', 'vwo_clhf_plugin_menu' );
114	add_action( 'admin_init', 'vwo_clhf_register_mysettings' );
115	add_action( 'admin_notices','vwo_clhf_warn_nosettings');
116
117
118	//------------------------------------------------------------------------//
119	//---Functions------------------------------------------------------------//
120	//------------------------------------------------------------------------//
121	// options page link
122	function vwo_clhf_plugin_menu() {
123	add_options_page('Visual Website Optimizer', 'VWO', 'create_users', 'clhf_vwo_options', 'vwo_clhf_plugin_options');
124	}
125
126	// whitelist settings
127	function vwo_clhf_register_mysettings(){
128	register_setting('clhf_vwo_options','vwo_id','intval');
129	register_setting('clhf_vwo_options','code_type');
130	register_setting('clhf_vwo_options','vwo_clicks');
131	register_setting('clhf_vwo_options','ignore_js','boolval');
132	register_setting('clhf_vwo_options','settings_tolerance','intval');
133	register_setting('clhf_vwo_options','library_tolerance','intval');
134	register_setting('clhf_vwo_options','use_existing_jquery','boolval');
135	}
136
137	//------------------------------------------------------------------------//
138	//---Output Functions-----------------------------------------------------//
139	//------------------------------------------------------------------------//
140	function vwo_clhf_headercode() {
141	// runs in the header
142	$vwo_id = get_option('vwo_id');
143	$code_type = get_option('code_type');
144
145	if ($vwo_id) {
146	if(empty(get_option('vwo_clicks'))){
147	update_option('vwo_clicks', '10' );
148	}
149	$vwo_clicks = get_option('vwo_clicks');
150	//common script code
151	echo get_vwo_clhf_script_common_code($vwo_clicks);
152	if ($code_type == 'SYNC') {
153	//sync script code
154	echo get_vwo_clhf_script_sync_code($vwo_id); // only output if options were saved
155	} else {
156
157	$settings_tolerance = get_option('settings_tolerance');
158	if (!is_numeric($settings_tolerance))
159	$settings_tolerance = 2000;
160
161	$library_tolerance = get_option('library_tolerance');
162	if (!is_numeric($library_tolerance))
163	$library_tolerance = 2500;
164
165	$use_existing_jquery = get_option('use_existing_jquery');
166	$use_existing_jquery = ($use_existing_jquery == 1) ? true : false;
167
168	//async script code
169	echo get_vwo_clhf_script_async_code($vwo_id, $settings_tolerance, $library_tolerance, $use_existing_jquery);
170	}
171	}
172	}
173
174	//------------------------------------------------------------------------//
175	//---Page Output Functions------------------------------------------------//
176	//------------------------------------------------------------------------//
177	// options page
178	function vwo_clhf_plugin_options() {
179	//Set value for checkbox by default
180	$ignore_js_options = get_option('ignore_js');
181	$show_ignore_js = $ignore_js_options;
182	if( $ignore_js_options === false ) {
183	// nothing is set, so apply the default here
184	$show_ignore_js = 1;
185	update_option('ignore_js', '1');
186	}
187
188	echo '<div class="wrap">';?>
189	<h2>VWO</h2>
190	<p>You need to have a <a href="https://vwo.com/">VWO</a> account in order to use this plugin. This plugin inserts the neccessary code into your Wordpress site automatically without you having to touch anything. In order to use the plugin, you need to enter your VWO Account ID:</p>
191	<form method="post" action="options.php">
192	<?php settings_fields( 'clhf_vwo_options' ); ?>
193	<table class="form-table">
194	<tr valign="top">
195	<th scope="row">Your VWO Account ID</th>
196	<td><input type="text" name="vwo_id" value="<?php echo get_option('vwo_id'); ?>" /></td>
197	</tr>
198	<tr valign="top">
199	<th scope="row">No. of Heatmap Clicks</th>
200	<td><input type="number" name="vwo_clicks" value="<?php echo get_option('vwo_clicks') ? get_option('vwo_clicks'):10 ; ?>" min="3"/></td>
201	</tr>
202	<tr valign="top">
203	<th scope="row">Code (default: Asynchronous)</th>
204	<td>
205	<input style="vertical-align: text-top;" type="radio" onclick="selectCodeType();" name="code_type" id="code_type_async" value="ASYNC" <?php if(get_option('code_type')!='SYNC') echo "checked"; ?> /> Asynchronous
206	<input style="vertical-align: text-top;" type="radio" onclick="selectCodeType();" name="code_type" id="code_type_sync" value="SYNC" <?php if(get_option('code_type')=='SYNC') echo "checked"; ?> /> Synchronous
207	<a href="https://vwo.com/blog/asynchronous-code" target="_blank">[Help]</a>
208	</td>
209	</tr>
210	<tr valign="top" id='asyncOnly1' <?php if(get_option('code_type')=='SYNC') echo "style='display:none;'" ?>>
211	<th scope="row">Settings Timeout</th>
212	<td style="vertical-align: middle;"><input type="text" name="settings_tolerance" value="<?php echo get_option('settings_tolerance')?get_option('settings_tolerance'):2000; ?>" />ms (default: 2000)</td>
213	</tr>
214	<tr valign="top" id='asyncOnly2' <?php if(get_option('code_type')=='SYNC') echo "style='display:none;'" ?>>
215	<th scope="row">Library Timeout</th>
216	<td style="vertical-align: middle;"><input type="text" name="library_tolerance" value="<?php echo get_option('library_tolerance')?get_option('library_tolerance'):2500; ?>" />ms (default: 2500)</td>
217	</tr>
218	<tr valign="top" id='asyncOnly3' <?php if(get_option('code_type')=='SYNC') echo "style='display:none;'" ?>>
219	<th scope="row">Use Existing jQuery</th>
220	<td style="vertical-align: middle;"><input type="checkbox" name="use_existing_jquery" value="1" <?php if(get_option('use_existing_jquery') == true) echo "checked"; ?>/>Yes</td>
221	</tr>
222	<tr valign="top">
223	<th scope="row">Skip Deferred Execution</th>
224	<td style="vertical-align: middle;"><input type="checkbox" name="ignore_js" value="1" <?php if($show_ignore_js == true) echo "checked"; ?>/>Yes</td>
225	</tr>
226	</table>
227
228	<script type="text/javascript">
229	function selectCodeType() {
230	var code_type = 'ASYNC';
231	if(document.getElementById('code_type_sync').checked)
232	code_type = 'SYNC';
233
234	if(code_type == 'ASYNC') {
235	document.getElementById('asyncOnly1').style.display = 'table-row';
236	document.getElementById('asyncOnly2').style.display = 'table-row';
237	document.getElementById('asyncOnly3').style.display = 'table-row';
238	}
239	else {
240	document.getElementById('asyncOnly1').style.display = 'none';
241	document.getElementById('asyncOnly2').style.display = 'none';
242	document.getElementById('asyncOnly3').style.display = 'none';
243	}
244	}
245	</script>
246	<p class="submit"><input type="submit" class="button-primary" value="<?php _e('Save Changes') ?>" /></p>
247	<p>Your Account ID (a number) can be found in <i>Settings</i> area (top-right) after you <a href="https://app.vwo.com">login</a> into your VWO account.</p>
248	<?php
249	echo '</div>';
250	}
251
252	function vwo_clhf_warn_nosettings(){
253	if (!is_admin())
254	return;
255
256	$clhf_option = get_option("vwo_id");
257	if (!$clhf_option \|\| $clhf_option < 1){
258	echo "<div id='vwo-warning' class='updated fade'><p><strong>VWO is almost ready.</strong> You must <a href=\"options-general.php?page=clhf_vwo_options\">enter your Account ID</a> for it to work.</p></div>";
259	}
260	}
261
262
263	add_filter('plugin_action_links_'.plugin_basename(__FILE__), 'vwo_clhf_add_plugin_page_settings_link');
264	/**
265	* Function to add Settings Links on Plugin page
266	* @param array $links
267	* @return string
268	*/
269	function vwo_clhf_add_plugin_page_settings_link( $links ) {
270	$links[] = '<a href="' .
271	admin_url( 'options-general.php?page=clhf_vwo_options' ) .
272	'">' . __('Settings') . '</a>';
273	return $links;
274	}
275
276	function disable_vwo_in_divi_builder(){
277	if (has_action('wp_head', 'vwo_clhf_headercode') && function_exists('et_core_is_fb_enabled') && et_core_is_fb_enabled()){
278	remove_action('wp_head', 'vwo_clhf_headercode', 1);
279	}
280	return;
281	}
282
283	add_action('wp_head', 'disable_vwo_in_divi_builder', 0);
284
285	?>