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

visual-website-optimizer.php in Visual Website Optimizer 3.4, 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: 3.4
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 = 0, $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	window._vwo_code = window._vwo_code \|\| (function(){
92	var account_id= <?php echo $vwo_id ?>,
93	settings_tolerance= <?php echo $settings_tolerance ?>,
94	library_tolerance= <?php echo $library_tolerance ?>,
95	use_existing_jquery= <?php echo ($use_existing_jquery) ? 'true' : 'false'; ?>,
96	is_spa=1,
97	hide_element='body',
98	/* DO NOT EDIT BELOW THIS LINE */
99	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(){
100	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; }());
101	</script>
102	<!-- End VWO Async Smartcode -->
103	<?php
104	$async_script = ob_get_clean();
105	return $async_script;
106	}
107
108	//------------------------------------------------------------------------//
109	//---Hook-----------------------------------------------------------------//
110	//------------------------------------------------------------------------//
111	add_action( 'wp_head', 'vwo_clhf_headercode',1 );
112	add_action( 'admin_menu', 'vwo_clhf_plugin_menu' );
113	add_action( 'admin_init', 'vwo_clhf_register_mysettings' );
114	add_action( 'admin_notices','vwo_clhf_warn_nosettings');
115
116
117	//------------------------------------------------------------------------//
118	//---Functions------------------------------------------------------------//
119	//------------------------------------------------------------------------//
120	// options page link
121	function vwo_clhf_plugin_menu() {
122	add_options_page('Visual Website Optimizer', 'VWO', 'create_users', 'clhf_vwo_options', 'vwo_clhf_plugin_options');
123	}
124
125	// whitelist settings
126	function vwo_clhf_register_mysettings(){
127	register_setting('clhf_vwo_options','vwo_id','intval');
128	register_setting('clhf_vwo_options','code_type');
129	register_setting('clhf_vwo_options','vwo_clicks');
130	register_setting('clhf_vwo_options','ignore_js','boolval');
131	register_setting('clhf_vwo_options','settings_tolerance','intval');
132	register_setting('clhf_vwo_options','library_tolerance','intval');
133	register_setting('clhf_vwo_options','use_existing_jquery','boolval');
134	}
135
136	//------------------------------------------------------------------------//
137	//---Output Functions-----------------------------------------------------//
138	//------------------------------------------------------------------------//
139	function vwo_clhf_headercode() {
140	// runs in the header
141	$vwo_id = get_option('vwo_id');
142	$code_type = get_option('code_type');
143
144	if ($vwo_id) {
145	if(empty(get_option('vwo_clicks'))){
146	update_option('vwo_clicks', '10' );
147	}
148	$vwo_clicks = get_option('vwo_clicks');
149	//common script code
150	echo get_vwo_clhf_script_common_code($vwo_clicks);
151	if ($code_type == 'SYNC') {
152	//sync script code
153	echo get_vwo_clhf_script_sync_code($vwo_id); // only output if options were saved
154	} else {
155
156	$settings_tolerance = get_option('settings_tolerance');
157	if (!is_numeric($settings_tolerance))
158	$settings_tolerance = 2000;
159
160	$library_tolerance = get_option('library_tolerance');
161	if (!is_numeric($library_tolerance))
162	$library_tolerance = 2500;
163
164	$use_existing_jquery = get_option('use_existing_jquery');
165	$use_existing_jquery = ($use_existing_jquery == 1) ? true : false;
166
167	//async script code
168	echo get_vwo_clhf_script_async_code($vwo_id, $settings_tolerance, $library_tolerance, $use_existing_jquery);
169	}
170	}
171	}
172
173	//------------------------------------------------------------------------//
174	//---Page Output Functions------------------------------------------------//
175	//------------------------------------------------------------------------//
176	// options page
177	function vwo_clhf_plugin_options() {
178	echo '<div class="wrap">';?>
179	<h2>VWO</h2>
180	<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>
181	<form method="post" action="options.php">
182	<?php settings_fields( 'clhf_vwo_options' ); ?>
183	<table class="form-table">
184	<tr valign="top">
185	<th scope="row">Your VWO Account ID</th>
186	<td><input type="text" name="vwo_id" value="<?php echo get_option('vwo_id'); ?>" /></td>
187	</tr>
188	<tr valign="top">
189	<th scope="row">No. of Heatmap Clicks</th>
190	<td><input type="number" name="vwo_clicks" value="<?php echo get_option('vwo_clicks') ? get_option('vwo_clicks'):10 ; ?>" min="3"/></td>
191	</tr>
192	<tr valign="top">
193	<th scope="row">Code (default: Asynchronous)</th>
194	<td>
195	<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
196	<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
197	<a href="https://vwo.com/blog/asynchronous-code" target="_blank">[Help]</a>
198	</td>
199	</tr>
200	<tr valign="top" id='asyncOnly1' <?php if(get_option('code_type')=='SYNC') echo "style='display:none;'" ?>>
201	<th scope="row">Settings Timeout</th>
202	<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>
203	</tr>
204	<tr valign="top" id='asyncOnly2' <?php if(get_option('code_type')=='SYNC') echo "style='display:none;'" ?>>
205	<th scope="row">Library Timeout</th>
206	<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>
207	</tr>
208	<tr valign="top" id='asyncOnly3' <?php if(get_option('code_type')=='SYNC') echo "style='display:none;'" ?>>
209	<th scope="row">Use Existing jQuery</th>
210	<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>
211	</tr>
212	<tr valign="top">
213	<th scope="row">Handle Rocket Loader Issue</th>
214	<td style="vertical-align: middle;"><input type="checkbox" name="ignore_js" value="1" <?php if(get_option('ignore_js') == true) echo "checked"; ?>/>Yes</td>
215	</tr>
216	</table>
217
218	<script type="text/javascript">
219	function selectCodeType() {
220	var code_type = 'ASYNC';
221	if(document.getElementById('code_type_sync').checked)
222	code_type = 'SYNC';
223
224	if(code_type == 'ASYNC') {
225	document.getElementById('asyncOnly1').style.display = 'table-row';
226	document.getElementById('asyncOnly2').style.display = 'table-row';
227	document.getElementById('asyncOnly3').style.display = 'table-row';
228	}
229	else {
230	document.getElementById('asyncOnly1').style.display = 'none';
231	document.getElementById('asyncOnly2').style.display = 'none';
232	document.getElementById('asyncOnly3').style.display = 'none';
233	}
234	}
235	</script>
236	<p class="submit"><input type="submit" class="button-primary" value="<?php _e('Save Changes') ?>" /></p>
237	<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>
238	<?php
239	echo '</div>';
240	}
241
242	function vwo_clhf_warn_nosettings(){
243	if (!is_admin())
244	return;
245
246	$clhf_option = get_option("vwo_id");
247	if (!$clhf_option \|\| $clhf_option < 1){
248	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>";
249	}
250	}
251
252
253	add_filter('plugin_action_links_'.plugin_basename(__FILE__), 'vwo_clhf_add_plugin_page_settings_link');
254	/**
255	* Function to add Settings Links on Plugin page
256	* @param array $links
257	* @return string
258	*/
259	function vwo_clhf_add_plugin_page_settings_link( $links ) {
260	$links[] = '<a href="' .
261	admin_url( 'options-general.php?page=clhf_vwo_options' ) .
262	'">' . __('Settings') . '</a>';
263	return $links;
264	}
265
266	?>