← All changes | taboola_widget.php +899 -115 1.0.1 → trunk View file →

		@@ -1,68 +1,218 @@
1	1	<?php
2	2	/**
3		- * Plugin Name: Taboola
4		- * Plugin URI: http://taboola.com
5		- * Description: Taboola
6		- * Version: 1.0.1
7		- * Author: Taboola
	3	+ * Plugin Name: Taboola
	4	+ * Plugin URI: https://developers.taboola.com/web-integrations/docs/wordpress-plugin
	5	+ * Description: Taboola
	6	+ * Version: 3.1.0
	7	+ * Author: Taboola
8	8	*/
9	9
10		-include_once('widget.php');
	10	+define( 'TABOOLA_PLUGIN_VERSION', '3.1.0' ); // track every release
	11	+define( 'TABOOLA_MIN_VER', '3.0' ); // bump only when DB changes
	12	+define( 'TABOOLA_DEBUG_MODE', false );
11	13
12		-if (!class_exists('TaboolaWP')) {
13		- class TaboolaWP
14		- {
15		- //save internal data
16		- public $data = array();
17		- public $_is_widget_on_page;
18		- public $_is_head_script_loaded = false;
	14	+define( 'TABOOLA_OPTION_NAME', 'taboola_plugin_version' );
19	15
20		- function TaboolaWP()
21		- {
22		- global $wpdb;
	16	+define( 'TABOOLA_XPATH_MARKER', '/' );
	17	+define( 'TABOOLA_JS_INDICATOR', '{JS}' );
	18	+define( 'TABOOLA_JS_MARKER', '{' );
	19	+define( 'TABOOLA_CONTENT_FORMAT_STRING', 'string' );
	20	+define( 'TABOOLA_CONTENT_FORMAT_SCRIPT', 'script' );
	21	+define( 'TABOOLA_CONTENT_FORMAT_HTML', 'html' );
23	22
24		- //initialize plugin constant
25		- DEFINE('TaboolaWP', true);
	23	+include_once 'widget.php';
	24	+require_once 'JavaScriptWrapper.php';
	25	+if ( ! class_exists( 'simple_html_dom' ) ) {
	26	+ require_once plugin_dir_path( __FILE__ ) . 'simple_html_dom.php'; // ← NEW
	27	+}
26	28
27		- $this->_is_widget_on_page = false;
28		- $this->_is_head_script_loaded = false;
	29	+if ( ! class_exists( 'TaboolaWP' ) ) {
	30	+class TaboolaWP {
29	31
30		- $this->plugin_name = plugin_basename(__FILE__);
31		- $this->plugin_directory = plugin_dir_path(__FILE__);
32		- $this->plugin_url = trailingslashit(WP_PLUGIN_URL . '/' . dirname(plugin_basename(__FILE__)));
33		- $this->settings = $wpdb->get_row("select * from ".$wpdb->prefix."_taboola_settings limit 1");
	32	+ /* ─────────────────────────── properties ─────────────────────────── */
	33	+ public $data = [];
	34	+ public $_is_widget_on_page;
	35	+ public $_is_head_script_loaded = false;
34	36
35		- $this->tbl_taboola_settings = $wpdb->prefix . '_taboola_settings';
	37	+ private $tpl_sw = 'importScripts("https://cdn.taboola.com/webpush/tsw.js");';
	38	+ private $msg_sw_error = <<<SWE
	39	+ <p>The file <code>sw.js</code> in the WP root is not writable.
	40	+ Please change its permissions or paste the code below manually:</p>
	41	+ <pre><code>{{SW}}</code></pre>
	42	+ <p>Also make sure it's reachable at <code>{{DOMAIN}}/sw.js</code></p>
	43	+SWE;
36	44
37		- //activation function
38		- register_activation_hook($this->plugin_name, array(&$this, 'activate'));
	45	+ public $plugin_name;
	46	+ public $plugin_directory;
	47	+ public $plugin_url;
	48	+ public $settings;
	49	+ public $tbl_taboola_settings;
39	50
40		- // Enable sidebar widgets
41		- if($this->settings != NULL && !empty($this->settings->publisher_id)){
42		- //register Taboola widget
43		- add_action('widgets_init',
44		- create_function('', 'return register_widget("WP_Widget_Taboola");')
45		- );
46		- }
	51	+ /* ─────────────────────────── constructor ─────────────────────────── */
	52	+ public function __construct() {
	53	+ global $wpdb;
	54	+ //initialize plugin constant
	55	+ define( 'TaboolaWP', true );
47	56
48		- if (is_admin()) {
49		- //add menu for plugin
50		- add_action( 'admin_menu', array(&$this, 'admin_generate_menu') );
51		- add_filter('plugin_action_links', array(&$this, 'plugin_action_links'), 10, 2 );
52		- } else {
53		- if($this->settings != NULL){
54		- add_action('wp_head', array(&$this, 'taboola_header_loader_inject'));
55		- add_action('wp_footer', array(&$this, 'taboola_footer_loader_js'));
56		- add_filter('the_content', array(&$this, 'load_taboola_content'));
57		- }
58		- }
	57	+ $this->_is_widget_on_page = false;
	58	+ $this->_is_head_script_loaded = false;
	59	+
	60	+ $this->plugin_name = plugin_basename( __FILE__ );
	61	+ $this->plugin_directory = plugin_dir_path( __FILE__ );
	62	+ $this->plugin_url = trailingslashit(
	63	+ WP_PLUGIN_URL . '/' . dirname( plugin_basename( __FILE__ ) )
	64	+ );
	65	+ $this->tbl_taboola_settings = $wpdb->prefix . '_taboola_settings';
	66	+ $this->settings = $wpdb->get_row(
	67	+ "SELECT * FROM {$this->tbl_taboola_settings} LIMIT 1"
	68	+ );
	69	+
	70	+ /* activation / upgrade */
	71	+ register_activation_hook( $this->plugin_name, [ $this, 'update_db' ] );
	72	+ add_action( 'admin_init', [ $this, 'update_db' ] );
	73	+
	74	+ /* widgets */
	75	+ if ( $this->settings && ! empty( $this->settings->publisher_id ) ) {
	76	+ add_action(
	77	+ 'widgets_init',
	78	+ static fn() => register_widget( 'WP_Widget_Taboola' )
	79	+ );
59	80	}
60	81
	82	+ /* admin vs front-end hooks */
	83	+ if ( is_admin() ) {
	84	+ add_action( 'admin_menu', [ $this, 'admin_generate_menu' ] );
	85	+ add_filter( 'plugin_action_links',
	86	+ [ $this, 'plugin_action_links' ], 10, 2 );
	87	+ }
	88	+
	89	+
	90	+
	91	+
	92	+ elseif ( $this->settings ) {
	93	+ /* loader & flush */
	94	+ add_action( 'wp_head', [ $this, 'taboola_header_loader_inject' ] );
	95	+ if ( ! empty( $this->settings->publisher_id_push ) ) {
	96	+ add_action( 'wp_head', [ $this, 'taboola_webpush_loader_js' ] );
61	97
	98	+ $sw = 'sw.js';
	99	+ $sw_path = ABSPATH . $sw;
62	100
	101	+ $content = file_exists( $sw_path ) ? file_get_contents( $sw_path ) : '';
63	102
64		- function plugin_action_links($links, $file) {
	103	+ if ( strpos( $content, $this->tpl_sw ) === false ) {
	104	+ if ( ! is_writable( ABSPATH ) || ( file_exists( $sw_path ) && ! is_writable( $sw_path ) ) ) {
	105	+ return $this->notice( $this->msg_sw_error );
	106	+ }
	107	+ $content = $this->tpl_sw . PHP_EOL . $content;
	108	+ if ( file_put_contents( $sw_path, $content ) === false ) {
	109	+ return $this->notice( $this->msg_sw_error );
	110	+ }
	111	+ }
	112	+ }
	113	+ add_action( 'wp_footer', [ $this, 'taboola_footer_loader_js' ] );
	114	+
	115	+ /* content widgets */
	116	+ add_filter( 'the_content', [ $this, 'load_taboola_content' ] );
	117	+ add_filter( 'the_content', [ $this, 'load_taboola_content_mid' ] );
	118	+
	119	+ /* full-page buffer – home & category */
	120	+ add_action( 'template_redirect', [ $this, 'tb_home_buffer_start' ], 0 );
	121	+ add_action( 'shutdown', [ $this, 'tb_home_buffer_flush' ], PHP_INT_MAX );
	122	+
	123	+ add_action( 'template_redirect', [ $this, 'tb_cat_buffer_start' ], 0 );
	124	+ add_action( 'shutdown', [ $this, 'tb_cat_buffer_flush' ], PHP_INT_MAX );
	125	+ }
	126	+ } // __construct
	127	+
	128	+
	129	+/* ======================================================================
	130	+ CATEGORY ▸ should we show the widget?
	131	+ ====================================================================== */
	132	+private function should_show_content_widget_category(): bool {
	133	+ return (
	134	+ trim( $this->settings->publisher_id ) !== '' &&
	135	+ ( is_category() || is_archive() || is_search() ) &&
	136	+ $this->settings->category_enabled &&
	137	+ trim( $this->settings->category_widget_id ) !== ''
	138	+ );
	139	+}
	140	+
	141	+/* ----------------------------------------------------------------------
	142	+ HOMEPAGE ▸ full-page buffer
	143	+ -------------------------------------------------------------------- */
	144	+public function tb_home_buffer_start() {
	145	+ if ( $this->should_show_content_widget_home() ) {
	146	+ ob_start( [ $this, 'tb_home_buffer_inject' ] );
	147	+ }
	148	+}
	149	+public function tb_home_buffer_inject( $html ) {
	150	+ return $this->load_taboola_content_home( $html );
	151	+}
	152	+
	153	+/* ----------------------------------------------------------------------
	154	+ CATEGORY ▸ buffer hooks
	155	+ -------------------------------------------------------------------- */
	156	+public function tb_cat_buffer_start() {
	157	+ if ( $this->should_show_content_widget_category() ) {
	158	+ ob_start( [ $this, 'tb_cat_buffer_inject' ] );
	159	+ }
	160	+}
	161	+public function tb_cat_buffer_inject( $html ) {
	162	+ return $this->load_taboola_content_category( $html );
	163	+}
	164	+public function tb_cat_buffer_flush() {
	165	+ if ( ob_get_length() ) {
	166	+ echo ob_get_clean();
	167	+ }
	168	+}
	169	+
	170	+/* ----------------------------------------------------------------------
	171	+ CATEGORY ▸ choose where to inject
	172	+ -------------------------------------------------------------------- */
	173	+private function embed_taboola_content_location_category(
	174	+ string $html,
	175	+ array $taboola_content,
	176	+ string $selector ) : string {
	177	+
	178	+ $formatted = $this->format_taboola_content_category( $taboola_content );
	179	+
	180	+ /* A. no selector → bottom of page */
	181	+ if ( $selector === '' ) {
	182	+ return str_ireplace( '</body>', $formatted . '</body>', $html );
	183	+ }
	184	+
	185	+ /* B. selector given → try server-side injection */
	186	+ $doc = str_get_html( $html );
	187	+ if ( ! $doc ) {
	188	+ // parser failed → graceful fallback
	189	+ return str_ireplace( '</body>', $formatted . '</body>', $html );
	190	+ }
	191	+
	192	+ $occurrence = max( 0, $this->settings->category_location_string_occurrence - 1 );
	193	+ $target = $doc->find( $selector, $occurrence );
	194	+
	195	+ if ( $target ) { // selector found
	196	+ $target->outertext .= $formatted;
	197	+ return (string) $doc; // done – no duplicate
	198	+ }
	199	+
	200	+ /* C. selector not found → bottom of page */
	201	+ return str_ireplace( '</body>', $formatted . '</body>', $html );
	202	+}
	203	+
	204	+/* ------------------------------------------------------------------ */
	205	+public function tb_home_buffer_flush() {
	206	+ if ( ob_get_length() ) {
	207	+ echo ob_get_clean();
	208	+ }
	209	+}
	210	+
	211	+
	212	+
	213	+
	214	+function plugin_action_links($links, $file) {
65	215	static $this_plugin;
66	216
67	217	if (!$this_plugin) {
68	218	$this_plugin = plugin_basename(__FILE__);
		@@ -80,8 +230,27 @@
80	230	$retVal = ((trim($this->settings->publisher_id) != '') && is_single() && $this->settings->first_bc_enabled && trim($this->settings->first_bc_widget_id) != '');
81	231	return $retVal;
82	232	}
83	233
	234	+ private function should_show_content_widget_mid(){
	235	+ // PC - only if v2 was installed:
	236	+ if (!$this->is_db_updated_for_min_ver("2.0.0"))
	237	+ return false;
	238	+ $retVal1 = ((trim($this->settings->publisher_id) != '') && is_single() && !empty($this->settings->mid_enabled));
	239	+ return $retVal1;
	240	+ }
	241	+
	242	+ private function should_show_content_widget_home(){
	243	+ // PC - only if v2 was installed:
	244	+
	245	+ //error_log( print_r( $this->settings, true ) ); // TEMP line
	246	+
	247	+ if (!$this->is_db_updated_for_min_ver("2.0.0"))
	248	+ return false;
	249	+ $retVal2 = ((trim($this->settings->publisher_id) != '') && (is_front_page() || is_home()) && $this->settings->home_enabled && trim($this->settings->home_widget_id) != '');
	250	+ return $retVal2;
	251	+ }
	252	+
84	253	private function should_show_sidebar_widget(){
85	254	$retVal = ((trim($this->settings->publisher_id) != '') && is_active_widget( false, false, TABOOLA_WIDGET_BASE_ID, true ));
86	255	return $retVal;
87	256	}
		@@ -87,16 +256,15 @@
87	256	}
88	257
89	258	// Determine if a taboola widget should be added somewhere on the current page (content or sidebar)
90	259	function is_widget_on_page(){
91		- return $this->should_show_content_widget() || $this->should_show_sidebar_widget();
	260	+ return $this->should_show_content_widget() || $this->should_show_content_widget_mid() || $this->should_show_content_widget_home() || $this->should_show_sidebar_widget() || $this->should_show_content_widget_category() ;
92	261	}
93	262
94	263	function get_page_type(){
95		-
96	264	$page_type='article';
97	265	if (is_front_page()){
98		- $page_type='home';
	266	+ $page_type='home';
99	267	}else if (is_category() || is_archive() || is_search()){
100	268	$page_type='category';
101	269	}
102	270	return $page_type;
		@@ -102,144 +270,760 @@
102	270	return $page_type;
103	271	}
104	272
105	273	// return the head loader script
106		- function taboola_header_loader_js() {
107		- $head_string = "";
108		-
109		- // Only adding Script1 if a widget is going to be placed on the page.
	274	+ function taboola_header_loader_js() {
110	275	if ($this->is_widget_on_page()){
	276	+
	277	+ // New logic to get all mid-article locations
	278	+ $mid_locations_string = '';
	279	+ if (!empty($this->settings->mid_widgets)) {
	280	+ $mid_widgets_array = json_decode($this->settings->mid_widgets, true);
	281	+ if (is_array($mid_widgets_array)) {
	282	+ $locations = array_column($mid_widgets_array, 'location_string');
	283	+ $mid_locations_string = implode(', ', $locations);
	284	+ }
	285	+ }
111	286
112		- $script1_content = str_replace('{{PUBLISHER_ID}}', $this->settings->publisher_id, file_get_contents($this->plugin_directory.'js/script1.js'));
113		- $script1_content = str_replace('{{PAGE_TYPE}}',$this->get_page_type(),$script1_content);
	287	+ $stringParams = array(
	288	+ '{{PUBLISHER_ID}}' => $this->settings->publisher_id,
	289	+ '{{PAGE_TYPE}}' => $this->get_page_type(),
	290	+ '{{WORDPRESS_VERSION}}' => get_bloginfo('version'),
	291	+ '{{PHP_VERSION}}' => phpversion(),
	292	+ '{{PLUGIN_VERSION}}' => TABOOLA_PLUGIN_VERSION,
	293	+ '{{LOC_MID}}' => $mid_locations_string,
	294	+ '{{LOC_HOME}}' => $this->settings->home_location_string ?? ''
	295	+ );
114	296
115		- $head_string = '<script type="text/javascript">'.$script1_content.'</script>';
	297	+ $scriptWrapper = new JavaScriptWrapper("loaderInjectionScript.js",$stringParams);
	298	+ return $scriptWrapper->getScriptMarkupString();
116	299	}
117		-
118		- return $head_string;
	300	+ return "";
119	301	}
120	302
121		-
122	303	// This function is used for the hook action, injects the header content to the <head> tag.
123	304	function taboola_header_loader_inject(){
124		-
125	305	echo $this->taboola_header_loader_js();
126	306	}
127	307
	308	+ // adding webpush loader
	309	+ function taboola_webpush_loader_js() {
	310	+ if(is_single() || is_home() || is_category() || is_front_page()){
	311	+ $stringParamsWeb = array(
	312	+ '{{PUBLISHER_ID}}' => $this->settings->publisher_id_push
	313	+ );
	314	+ $webpushInjectionScript = new JavaScriptWrapper("webPush.js",$stringParamsWeb);
	315	+ echo $webpushInjectionScript;
	316	+ }
	317	+ }
128	318
129	319	function taboola_footer_loader_js() {
130	320
131		- // Only adding Script1 if a widget is going to be placed on the page.
132		- if ( $this->is_widget_on_page() ){
133		- $script3_content = file_get_contents($this->plugin_directory.'js/script3.js');
134		- echo '<script type="text/javascript">'.$script3_content.'</script>';
	321	+ // Only adding flush script if a widget is going to be placed on the page.
	322	+ if ($this->is_widget_on_page()){
	323	+ $flushInjectionScript = new JavaScriptWrapper('flushInjectionScript.js',array());
	324	+ echo $flushInjectionScript->getScriptMarkupString();
135	325	}
136	326	}
137	327
	328	+ // Below-article widget
138	329	function load_taboola_content($content)
139	330	{
	331	+ $taboola_content = array();
	332	+ if ($this->should_show_content_widget()){
140	333
141		- if ($this->should_show_content_widget()){
	334	+ $firstWidgetParams = array(
	335	+ '{{WIDGET_ID}}' => $this->settings->first_bc_widget_id,
	336	+ '{{CONTAINER}}' => 'taboola-below-article-thumbnails',
	337	+ // PC - If v2 was not installed, then use v1 logic
	338	+ '{{PLACEMENT}}' => (!empty($this->settings->first_bc_placement)) ? $this->settings->first_bc_placement : 'below-article' // In case v1 upgrade has not run yet
	339	+ );
142	340
143		- $script2_content = str_replace('{{WIDGET_ID}}', $this->settings->first_bc_widget_id, file_get_contents($this->plugin_directory.'js/script2.js'));
144		- $script2_content = str_replace('{{CONTAINER}}', 'taboola-below-article', $script2_content);
145		- $script2_content = str_replace('{{PLACEMENT}}', 'below-article', $script2_content);
	341	+ $firstWidgetScript = new JavaScriptWrapper("widgetInjectionScript.js",$firstWidgetParams);
	342	+ $taboola_content[TABOOLA_CONTENT_FORMAT_HTML][] = "<div id='taboola-below-article-thumbnails'></div>";
	343	+ $taboola_content[TABOOLA_CONTENT_FORMAT_SCRIPT][] = $firstWidgetScript;
146	344
147		- $content = $content .
148		- '<div id="taboola-below-article"></div>' .
149		- '<script type="text/javascript">'.$script2_content.'</script>';
	345	+ $content = $this->embed_taboola_content_location($content,$taboola_content);
	346	+ }
150	347
151		- // Adding the 2nd widget if needed
152		- if($this->settings->second_bc_enabled && trim($this->settings->second_bc_widget_id) != ''){
153		- $script2_content = str_replace('{{WIDGET_ID}}', $this->settings->second_bc_widget_id, file_get_contents($this->plugin_directory.'js/script2.js'));
154		- $script2_content = str_replace('{{CONTAINER}}', 'taboola-below-article-second', $script2_content);
155		- $script2_content = str_replace('{{PLACEMENT}}', 'below-article-2nd', $script2_content);
	348	+ return $content;
	349	+ }
156	350
157		- $content = $content .
158		- '<div id="taboola-below-article-second"></div>' .
159		- '<script type="text/javascript">'.$script2_content.'</script>';
	351	+ // Mid-article-widget
	352	+ function load_taboola_content_mid($content) {
	353	+ if ($this->should_show_content_widget_mid()){
	354	+ $mid_widgets = json_decode($this->settings->mid_widgets ?? '[]');
	355	+
	356	+ if (is_array($mid_widgets) && !empty($mid_widgets)) {
	357	+ foreach ($mid_widgets as $index => $widget) {
	358	+ $container_id = 'taboola-mid-article-thumbnails-' . $index;
	359	+
	360	+ $widgetParams = array(
	361	+ '{{WIDGET_ID}}' => $widget->widget_id,
	362	+ '{{CONTAINER}}' => $container_id,
	363	+ '{{PLACEMENT}}' => $widget->placement
	364	+ );
	365	+
	366	+ $widgetScript = new JavaScriptWrapper("widgetInjectionScript.js", $widgetParams);
	367	+ $taboola_content_mid = array(
	368	+ TABOOLA_CONTENT_FORMAT_HTML => array("<div id='{$container_id}'></div>"),
	369	+ TABOOLA_CONTENT_FORMAT_SCRIPT => array($widgetScript),
	370	+ );
	371	+
	372	+ $content = $this->embed_taboola_content_location_mid(
	373	+ $content,
	374	+ $taboola_content_mid,
	375	+ $widget->location_string,
	376	+ $widget->occurrence
	377	+ );
	378	+ }
160	379	}
161	380	}
	381	+ return $content;
	382	+ }
162	383
	384	+ // Homepage widget
	385	+ function load_taboola_content_home($content)
	386	+ {
	387	+ //error_log( 'TB-DEBUG ② entered load_taboola_content_home' );
	388	+ $taboola_content_home = array();
	389	+ if ($this->should_show_content_widget_home()){
	390	+
	391	+ $homeWidgetParams = array('{{WIDGET_ID}}' => $this->settings->home_widget_id,
	392	+ '{{CONTAINER}}' => 'taboola-homepage-thumbnails',
	393	+ '{{PLACEMENT}}' => $this->settings->home_placement);
	394	+
	395	+ $homeWidgetScript = new JavaScriptWrapper("widgetInjectionScript.js",$homeWidgetParams);
	396	+ $taboola_content_home[TABOOLA_CONTENT_FORMAT_HTML][] = "<div id='taboola-homepage-thumbnails'></div>";
	397	+ $taboola_content_home[TABOOLA_CONTENT_FORMAT_SCRIPT][] = $homeWidgetScript;
	398	+
	399	+ $content = $this->embed_taboola_content_location_home($content,$taboola_content_home,trim($this->settings->home_location_string));
	400	+ }
163	401	return $content;
	402	+
164	403	}
	404	+ /* ------------------------------------------------------------------
	405	+ * CATEGORY ▸ build widget & inject
	406	+ * ------------------------------------------------------------------*/
	407	+public function load_taboola_content_category( $content ) {
165	408
	409	+ // 1) Build the DIV that Taboola will fill
	410	+ $taboola[TABOOLA_CONTENT_FORMAT_HTML][] =
	411	+ "<div id='taboola-category-thumbnails'></div>";
	412	+
	413	+ // 2) Build the JS that loads the feed (reuse the wrapper)
	414	+ $taboola[TABOOLA_CONTENT_FORMAT_SCRIPT][] =
	415	+ new JavaScriptWrapper( 'widgetInjectionScript.js', [
	416	+ '{{WIDGET_ID}}' => $this->settings->category_widget_id,
	417	+ '{{CONTAINER}}' => 'taboola-category-thumbnails',
	418	+ '{{PLACEMENT}}' => $this->settings->category_placement,
	419	+ ]);
	420	+
	421	+ // 3) Decide where to insert (selector or end of <body>)
	422	+ return $this->embed_taboola_content_location_category(
	423	+ $content,
	424	+ $taboola,
	425	+ trim( $this->settings->category_location_string )
	426	+ );
	427	+}
	428	+
	429	+ // Below-article widget
	430	+
	431	+ // Extract the taboola content in the required format:
	432	+ // String - for injecting on the servr side
	433	+ // Script or HTML - for injecting on the client side
	434	+ function format_taboola_content($taboola_content,$format){
	435	+ $ret_val = null;
	436	+
	437	+ switch($format){
	438	+ case TABOOLA_CONTENT_FORMAT_STRING:
	439	+ $result_string = join("",$taboola_content[TABOOLA_CONTENT_FORMAT_HTML]).
	440	+ "<script type='text/javascript'>".join("\n",$taboola_content[TABOOLA_CONTENT_FORMAT_SCRIPT])."</script>";
	441	+ $ret_val = $result_string;
	442	+ break;
	443	+
	444	+ // script or html
	445	+ default:
	446	+ $ret_val = str_replace("\n","",join("",$taboola_content[$format]));
	447	+ break;
	448	+ }
	449	+
	450	+ return $ret_val;
	451	+ }
	452	+
	453	+
	454	+ // Mid-article widget
	455	+ function format_taboola_content_mid($taboola_content_mid,$format){
	456	+ $ret_val = null;
	457	+
	458	+ switch($format){
	459	+ case TABOOLA_CONTENT_FORMAT_STRING:
	460	+ $result_string = join("",$taboola_content_mid[TABOOLA_CONTENT_FORMAT_HTML]).
	461	+ "<script type='text/javascript'>".join("\n",$taboola_content_mid[TABOOLA_CONTENT_FORMAT_SCRIPT])."</script>";
	462	+ $ret_val = $result_string;
	463	+ break;
	464	+
	465	+ // script or html
	466	+ default:
	467	+ $ret_val = str_replace("\n","",join("",$taboola_content_mid[$format]));
	468	+ break;
	469	+ }
	470	+
	471	+ return $ret_val;
	472	+ }
	473	+
	474	+
	475	+ // Homepage widget
	476	+ function format_taboola_content_home($taboola_content_home,$format){
	477	+
	478	+ $ret_val = null;
	479	+
	480	+ switch($format){
	481	+ case TABOOLA_CONTENT_FORMAT_STRING:
	482	+ $result_string = join("",$taboola_content_home[TABOOLA_CONTENT_FORMAT_HTML]).
	483	+ "<script type='text/javascript'>".join("\n",$taboola_content_home[TABOOLA_CONTENT_FORMAT_SCRIPT])."</script>";
	484	+ $ret_val = $result_string;
	485	+ break;
	486	+
	487	+ // script or html
	488	+ default:
	489	+ $ret_val = str_replace("\n","",join("",$taboola_content_home[$format]));
	490	+ break;
	491	+ }
	492	+
	493	+ return $ret_val;
	494	+
	495	+ }
	496	+
	497	+
	498	+ // ► CATEGORY formatter ◄
	499	+private function format_taboola_content_category( $arr ) {
	500	+ return implode( "\n", [
	501	+ implode( "\n", $arr[TABOOLA_CONTENT_FORMAT_HTML] ?? [] ),
	502	+ '<script type="text/javascript">' .
	503	+ implode( "\n", $arr[TABOOLA_CONTENT_FORMAT_SCRIPT] ?? [] ) .
	504	+ '</script>',
	505	+ ]);
	506	+}
	507	+ /* ------------------------------------------------------------------
	508	+ * wpautop() hardening for anything injected through the_content.
	509	+ *
	510	+ * wpautop() pads block-level tags with blank lines, then splits the
	511	+ * content on blank lines and wraps each chunk in <p>. Its <script>
	512	+ * protection only runs after that split, so two things tear an injected
	513	+ * <script> apart and spill its tail onto the page as reader-visible text:
	514	+ * 1. a blank line anywhere in the script body, and
	515	+ * 2. a block-level tag (e.g. <div>) sitting inside a JS string literal.
	516	+ * Both have to be neutralised; fixing only one still breaks.
	517	+ * ------------------------------------------------------------------*/
	518	+
	519	+ // Hide markup from wpautop's block-tag scan. \x3C decodes back to "<"
	520	+ // when the surrounding JS string literal is evaluated.
	521	+ private function js_escape_markup($markup){
	522	+ return str_replace('<', '\x3C', (string) $markup);
	523	+ }
	524	+
	525	+ // Collapse blank lines so wpautop has no paragraph boundary to split on.
	526	+ private function wpautop_safe_script($script){
	527	+ return preg_replace('/(\R[ \t]*){2,}/', "\n", (string) $script);
	528	+ }
	529	+
	530	+ // Below-article widget
	531	+ // Do the actual logic of choosing where to place the taboola content.
	532	+ function embed_taboola_content_location($content, $taboola_content){
	533	+ $do_default = true;
	534	+
	535	+ // tag is placed outside of content in order to allow "read more" functionality.
	536	+ if ($this->settings->out_of_content_enabled){
	537	+
	538	+ $scriptWrapper = new JavaScriptWrapper("js_inject.min.js",array(
	539	+ "{{HTML}}" => $this->js_escape_markup($this->format_taboola_content($taboola_content,TABOOLA_CONTENT_FORMAT_HTML)),
	540	+ "{{SCRIPT}}" => $this->js_escape_markup($this->format_taboola_content($taboola_content,TABOOLA_CONTENT_FORMAT_SCRIPT)))
	541	+ );
	542	+ $scriptWrapper->appendScript("injectWidgetByMarker('tbmarker');");
	543	+ $content = $content."<span id='tbmarker'></span><script type='text/javascript'>".$this->wpautop_safe_script($scriptWrapper)."</script>";
	544	+ $do_default = false;
	545	+ }
	546	+
	547	+ // Default for below-article widget - add to the end of the content
	548	+ if ($do_default){
	549	+ $content = $content.$this->format_taboola_content($taboola_content,TABOOLA_CONTENT_FORMAT_STRING);
	550	+ }
	551	+
	552	+ return $content;
	553	+ }
	554	+
	555	+ // Mid-article widget
	556	+ // Do the actual logic of choosing where to place the taboola content based on the "location" attribute
	557	+ function embed_taboola_content_location_mid($content, $taboola_content_mid, $location, $occurrence = 1){
	558	+ $do_default = true;
	559	+
	560	+ if (isset($location) && $location != ''){
	561	+ $first_char = substr($location,0,1);
	562	+
	563	+ // DIV/XPATH provided for JS handling
	564	+ if ($first_char == TABOOLA_JS_MARKER){
	565	+ $full_indicator = substr($location,0,strlen(TABOOLA_JS_INDICATOR));
	566	+
	567	+ if ($full_indicator == TABOOLA_JS_INDICATOR){
	568	+
	569	+ $xpath = substr($location,strlen(TABOOLA_JS_INDICATOR));
	570	+ $scriptWrapper = new JavaScriptWrapper("js_inject.min.js",array(
	571	+ "{{HTML}}" => $this->js_escape_markup($this->format_taboola_content_mid($taboola_content_mid,TABOOLA_CONTENT_FORMAT_HTML)),
	572	+ "{{SCRIPT}}" => $this->js_escape_markup($this->format_taboola_content_mid($taboola_content_mid,TABOOLA_CONTENT_FORMAT_SCRIPT)))
	573	+ );
	574	+ $scriptWrapper->appendScript("injectWidgetByXpath('".$xpath."');");
	575	+ $content = $content."<span id='tbdefault'></span><script type='text/javascript'>".$this->wpautop_safe_script($scriptWrapper)."</script>";
	576	+
	577	+ $do_default = false;
	578	+ }
	579	+
	580	+ // server side selector provided (see simple_html_dom selectors http://simplehtmldom.sourceforge.net/manual.htm)
	581	+ // basically it's CSS selectors like in jQuery
	582	+ } else{
	583	+ if ( ! class_exists( 'simple_html_dom' ) ) {
	584	+ require_once('simple_html_dom.php');
	585	+ }
	586	+
	587	+ $html_doc = str_get_html($content);
	588	+ $target_location = $html_doc->find($location, ($occurrence) - 1);
	589	+
	590	+ // if the location was found within the html content
	591	+ if (isset($target_location) && is_object($target_location)){
	592	+
	593	+ // adding taboola content AFTER the target location
	594	+ $target_location->outertext = $target_location->outertext.$this->format_taboola_content_mid($taboola_content_mid,TABOOLA_CONTENT_FORMAT_STRING);
	595	+ $content = $html_doc;
	596	+ $do_default = false;
	597	+ }
	598	+ }
	599	+ }
	600	+
	601	+ return $content;
	602	+ }
	603	+
	604	+ // Homepage widget
	605	+ // Do the actual logic of choosing where to place the taboola content based on the "location" attribute
	606	+ function embed_taboola_content_location_home($content, $taboola_content_home, $location){
	607	+
	608	+
	609	+ // error_log( 'TB-DEBUG ③ raw selector string: [' . $location . ']' );
	610	+
	611	+ // load parser
	612	+ //require_once plugin_dir_path( __FILE__ ) . 'simple_html_dom.php';
	613	+ // $html_doc = str_get_html( $content );
	614	+
	615	+ // occurrence: settings is 1-based, find() wants 0-based
	616	+ // $occurrence = max( 1, intval( $this->settings->home_location_string_occurrence ) );
	617	+ // $node = $html_doc->find( $location, $occurrence - 1 );
	618	+ // $found = is_object( $node ) ? 1 : 0;
	619	+
	620	+ // error_log( "TB-DEBUG ③ found {$found} matching node(s) for selector [{$location}]" );
	621	+ // ────────────────────────────
	622	+ $do_default = true;
	623	+
	624	+ if (isset($location) && $location != ''){
	625	+ $first_char = substr($location,0,1);
	626	+
	627	+ // DIV/XPATH provided for JS handling
	628	+ if ($first_char == TABOOLA_JS_MARKER){
	629	+ $full_indicator = substr($location,0,strlen(TABOOLA_JS_INDICATOR));
	630	+
	631	+ if ($full_indicator == TABOOLA_JS_INDICATOR){
	632	+
	633	+ $xpath = substr($location,strlen(TABOOLA_JS_INDICATOR));
	634	+ $scriptWrapper = new JavaScriptWrapper("js_inject.min.js",array(
	635	+ "{{HTML}}" => $this->js_escape_markup($this->format_taboola_content_home($taboola_content_home,TABOOLA_CONTENT_FORMAT_HTML)),
	636	+ "{{SCRIPT}}" => $this->js_escape_markup($this->format_taboola_content_home($taboola_content_home,TABOOLA_CONTENT_FORMAT_SCRIPT)))
	637	+ );
	638	+ $scriptWrapper->appendScript("injectWidgetByXpath('".$xpath."');");
	639	+ $content = $content."<span id='tbdefault'></span><script type='text/javascript'>".$this->wpautop_safe_script($scriptWrapper)."</script>";
	640	+
	641	+ $do_default = false;
	642	+ }
	643	+
	644	+ // server side selector provided (see simple_html_dom selectors http://simplehtmldom.sourceforge.net/manual.htm)
	645	+ // basically it's CSS selectors like in jQuery
	646	+ } else{
	647	+ if ( ! class_exists( 'simple_html_dom' ) ) {
	648	+ require_once('simple_html_dom.php');
	649	+ }
	650	+
	651	+ $html_doc = str_get_html($content);
	652	+ $target_location = $html_doc->find($location,($this->settings->home_location_string_occurrence)-1);
	653	+
	654	+ // if the location was found within the html content
	655	+ if (isset($target_location) && is_object($target_location)){
	656	+
	657	+ // adding taboola content AFTER the target location
	658	+ $target_location->outertext = $target_location->outertext.$this->format_taboola_content_home($taboola_content_home,TABOOLA_CONTENT_FORMAT_STRING);
	659	+ $content = $html_doc;
	660	+ $do_default = false;
	661	+ }
	662	+ }
	663	+ }
	664	+ // Default for below-article widget - add to the end of the content
	665	+ if ($do_default){
	666	+ $content = $content.$this->format_taboola_content_home($taboola_content_home,TABOOLA_CONTENT_FORMAT_STRING);
	667	+ }
	668	+ return $content;
	669	+
	670	+
	671	+ }
	672	+
166	673	function admin_generate_menu(){
167	674	global $current_user;
168		- add_menu_page('Taboola', 'Taboola', 'manage_options', 'taboola_widget', array(&$this, 'admin_taboola_settings'), $this->plugin_url.'img/taboola_icon.png', 110);
	675	+ add_menu_page(__('Taboola','taboola_widget'), __('Taboola','taboola_widget'), 'manage_options', 'taboola_widget', array(&$this, 'admin_taboola_settings'), $this->plugin_url.'img/taboola_icon.png', 110);
169	676	}
170	677
	678	+ // Empty numeric inputs must reach MySQL as NULL, not '', or strict mode
	679	+ // rejects the whole row.
	680	+ private function nullable_int($value){
	681	+ return (isset($value) && trim((string) $value) !== '') ? (int) $value : null;
	682	+ }
	683	+
171	684	function admin_taboola_settings(){
172	685	global $wpdb;
173	686	$settings = $wpdb->get_row("select * from ".$wpdb->prefix."_taboola_settings limit 1");
174	687	$taboola_errors = array();
	688	+ $taboola_save_error = '';
175	689	if($_SERVER['REQUEST_METHOD'] == 'POST'){
176	690
177		- if(trim($_POST['publisher_id']) == ''){
178		- $taboola_errors[] = "Please add a 'Publisher ID' in order to apply changes to your widgets";
	691	+ if(trim(strip_tags($_POST['publisher_id'])) == ''){
	692	+ $taboola_errors[] = "Publisher ID";
179	693	}
180		- if(($_POST['first_bc_enabled'] == 'on' && trim($_POST['first_bc_widget_id']) == '') ||
181		- ($_POST['second_bc_enabled'] == 'on' && trim($_POST['second_bc_widget_id']) == '')
182		- ){
183		- $taboola_errors[] = "Please add a 'Widget ID' in order to apply changes to your widgets";
	694	+
	695	+ if(isset($_POST['web_push_enabled'])) {
	696	+ if (trim(strip_tags($_POST['publisher_id_push'])) == '') {
	697	+ $taboola_errors[] = "Publisher Push ID";
	698	+ }
184	699	}
	700	+
	701	+ if(isset($_POST['first_bc_enabled'])) {
	702	+ if (trim(strip_tags($_POST['first_bc_widget_id'])) == '') {
	703	+ $taboola_errors[] = "Below-article > Widget ID";
	704	+ }
	705	+ if (trim(strip_tags($_POST['first_bc_placement'])) == '') {
	706	+ $taboola_errors[] = "Below-article > Placement Name";
	707	+ }
	708	+ }
	709	+
	710	+ if(isset($_POST['mid_enabled'])) {
	711	+ if(isset($_POST['mid_widget_id']) && is_array($_POST['mid_widget_id'])) {
	712	+ foreach ($_POST['mid_widget_id'] as $index => $widget_id) {
	713	+ if(trim($widget_id) == '') {
	714	+ $taboola_errors[] = "Mid-article Widget #".($index + 1)." > Widget ID";
	715	+ }
	716	+ if(trim($_POST['mid_placement'][$index]) == '') {
	717	+ $taboola_errors[] = "Mid-article Widget #".($index + 1)." > Placement Name";
	718	+ }
	719	+ }
	720	+ }
	721	+ }
	722	+
	723	+ if(isset($_POST['home_enabled'])) {
	724	+ if (trim(strip_tags($_POST['home_widget_id'])) == '') {
	725	+ $taboola_errors[] = "Homepage > Widget ID";
	726	+ }
	727	+ if (trim(strip_tags($_POST['home_placement'])) == '') {
	728	+ $taboola_errors[] = "Homepage > Placement Name";
	729	+ }
	730	+
	731	+ if (trim(strip_tags($_POST['home_location_string'])) == '') {
	732	+ $taboola_errors[] = "Homepage > CSS selector";
	733	+ }
	734	+ else {
	735	+ if (!empty($_POST['home_location_string']) && !$this->is_home_location_string_occurrence_valid($_POST['home_location_string_occurrence'])) {
	736	+ $taboola_errors[] = "Homepage > Occurance (must be >= 1)";
	737	+ }
	738	+ }
	739	+ }
	740	+ if ( isset($_POST['category_enabled']) ) {
	741	+ if ( trim(strip_tags($_POST['category_widget_id'])) == '' )
	742	+ $taboola_errors[] = "Category > Widget ID";
	743	+ if ( trim(strip_tags($_POST['category_placement'])) == '' )
	744	+ $taboola_errors[] = "Category > Placement Name";
	745	+ }
	746	+
185	747	if(count($taboola_errors) == 0){
	748	+
	749	+ $mid_widgets_data = array();
	750	+ if (isset($_POST['mid_widget_id']) && is_array($_POST['mid_widget_id'])) {
	751	+ foreach ($_POST['mid_widget_id'] as $index => $widget_id) {
	752	+ if (!empty(trim($widget_id))) {
	753	+
	754	+ $location_string = 'p';
	755	+ if (isset($_POST['mid_paragraph_ui_mode'][$index]) && $_POST['mid_paragraph_ui_mode'][$index] === 'Other') {
	756	+ if (isset($_POST['mid_location_string'][$index])) {
	757	+ $location_string = sanitize_text_field($_POST['mid_location_string'][$index]);
	758	+ }
	759	+ }
186	760
	761	+ $mid_widgets_data[] = array(
	762	+ 'widget_id' => sanitize_text_field($widget_id),
	763	+ 'placement' => sanitize_text_field($_POST['mid_placement'][$index]),
	764	+ 'location_string' => $location_string,
	765	+ 'occurrence' => intval($_POST['mid_location_string_occurrence'][$index]),
	766	+ );
	767	+ }
	768	+ }
	769	+ }
	770	+ $mid_widgets_json = json_encode($mid_widgets_data);
	771	+
	772	+ /* $wpdb formats every value as %s unless told otherwise, so a PHP
	773	+ false or an empty string reaches MySQL as ''. Under
	774	+ STRICT_TRANS_TABLES (the MySQL 8 default) '' is rejected for the
	775	+ TINYINT/INT columns and the whole write is refused. Send real
	776	+ integers for the flags and NULL for empty numeric fields. */
187	777	$data = array(
188	778	"publisher_id" => trim($_POST['publisher_id']),
189		- "first_bc_enabled" => $_POST['first_bc_enabled'] == 'on' ? true : false,
190		- "first_bc_widget_id" => trim($_POST['first_bc_widget_id']),
191		- "second_bc_enabled" => $_POST['second_bc_enabled'] == 'on' ? true : false,
192		- "second_bc_widget_id" => trim($_POST['second_bc_widget_id']),
	779	+
	780	+ "web_push_enabled" => isset($_POST['web_push_enabled']) ? 1 : 0,
	781	+ "publisher_id_push" => $this->nullable_int($_POST['publisher_id_push'] ?? null),
	782	+
	783	+ "first_bc_enabled" => isset($_POST['first_bc_enabled']) ? 1 : 0,
	784	+ "first_bc_widget_id" => !empty($_POST['first_bc_widget_id']) ? trim($_POST['first_bc_widget_id']) : '',
	785	+ "first_bc_placement" => !empty($_POST['first_bc_placement']) ? trim($_POST['first_bc_placement']) : '',
	786	+
	787	+ "out_of_content_enabled" => isset($_POST['out_of_content_enabled']) ? 1 : 0,
	788	+
	789	+ "mid_enabled" => isset($_POST['mid_enabled']) ? 1 : 0,
	790	+ "mid_widgets" => $mid_widgets_json,
	791	+
	792	+ "home_enabled" => isset($_POST['home_enabled']) ? 1 : 0,
	793	+ "home_widget_id" => !empty($_POST['home_widget_id']) ? trim($_POST['home_widget_id']) : '',
	794	+ "home_placement" => !empty($_POST['home_placement']) ? trim($_POST['home_placement']) : '',
	795	+
	796	+ "home_location_string_occurrence" => $this->nullable_int($_POST['home_location_string_occurrence'] ?? null),
	797	+ "home_location_string" => !empty($_POST['home_location_string']) ? trim($_POST['home_location_string']) : '',
	798	+ "category_enabled" => isset($_POST['category_enabled']) ? 1 : 0,
	799	+ "category_widget_id" => !empty($_POST['category_widget_id']) ? trim($_POST['category_widget_id']) : '',
	800	+ "category_placement" => !empty($_POST['category_placement']) ? trim($_POST['category_placement']) : '',
	801	+ "category_location_string_occurrence" => $this->nullable_int($_POST['category_location_string_occurrence'] ?? null),
	802	+ "category_location_string" => !empty($_POST['category_location_string']) ? trim($_POST['category_location_string']) : '',
	803	+
193	804	);
194		- //var_dump($settings);
195		- if($settings == NULL){
196		- $wpdb->insert($this->tbl_taboola_settings, $data, null, null);
	805	+
	806	+ $is_valid_nonce = false;
	807	+
	808	+ if (isset( $_POST['my_plugin_nonce']) && wp_verify_nonce( $_POST['my_plugin_nonce'], 'my_plugin_update_field_action' ) ) {
	809	+ $is_valid_nonce = true;
	810	+ }
	811	+
	812	+ if ($is_valid_nonce) {
	813	+ if($settings == NULL){
	814	+ $saved = $wpdb->insert($this->tbl_taboola_settings, $data);
	815	+ } else {
	816	+ $saved = $wpdb->update($this->tbl_taboola_settings, $data, array('id' => $settings->id));
	817	+ }
	818	+
	819	+ // update() returns 0 when nothing changed; only false is a failure.
	820	+ if ($saved === false) {
	821	+ $taboola_save_error = "The database rejected the write, so your changes were not saved: "
	822	+ . ($wpdb->last_error !== '' ? $wpdb->last_error : 'unknown database error');
	823	+ }
197	824	} else {
198		- $wpdb->update($this->tbl_taboola_settings, $data, array('id' => $settings->id));
	825	+ $taboola_save_error = "Security check failed - the settings page had been open too long. Reload it and apply your changes again.";
199	826	}
200	827	}
201	828	$settings = $wpdb->get_row("select * from ".$wpdb->prefix."_taboola_settings limit 1");
202	829	}
	830	+ include_once('settings.php');
	831	+ }
	832	+
	833	+ function is_mid_location_string_valid($mid_location_string){
	834	+ // TODO:: validate the location string
	835	+ return true;
	836	+ }
203	837
	838	+ function is_mid_location_string_occurrence_valid($mid_location_string_occurrence){
204	839
205		- include_once('settings.php');
	840	+ if ((int)$mid_location_string_occurrence >= 1) {
	841	+ return true;
	842	+ }
	843	+ return false;
206	844	}
207		- function activate(){
	845	+
	846	+ function is_home_location_string_valid($home_location_string){
	847	+ // TODO:: validate the location string
	848	+ return true;
	849	+ }
	850	+
	851	+ function is_home_location_string_occurrence_valid($home_location_string_occurrence){
	852	+
	853	+ if ((int)$home_location_string_occurrence >= 1) {
	854	+ return true;
	855	+ }
	856	+ return false;
	857	+ }
	858	+
	859	+ function columnExists($column_name) {
208	860	global $wpdb;
	861	+ $table_name = $wpdb->prefix . "_taboola_settings";
	862	+ tb_write_log("table name : " . $table_name);
	863	+ tb_write_log("column name : " . $column_name);
209	864
210		- require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
	865	+ $column_exists = $wpdb->get_var("SHOW COLUMNS FROM $table_name LIKE '$column_name'") !== null;
211	866
212		- $settings_table = $this->tbl_taboola_settings;
	867	+ if ($column_exists) {
	868	+ tb_write_log("Yes - column " . $column_name . " DOES exist!"); //PC
	869	+ return true;
	870	+ } else {
	871	+ tb_write_log("No - column " . $column_name . " does NOT exist!"); //PC
	872	+ return false;
	873	+ }
	874	+ }
213	875
214		- //check mysql version
215		- if (version_compare(mysql_get_server_info(), '4.1.0', '>=')) {
216		- if (!empty($wpdb->charset))
217		- $charset_collate = "DEFAULT CHARACTER SET $wpdb->charset";
218		- if (!empty($wpdb->collate))
219		- $charset_collate .= " COLLATE $wpdb->collate";
	876	+ function is_upgrade_from_v1() {
	877	+
	878	+ if($this->columnExists("first_bc_widget_id") && !$this->columnExists("first_bc_placement")){
	879	+ tb_write_log("This IS a v1 upgrade!"); //PC
	880	+ return true;
	881	+ }
	882	+ else {
	883	+ tb_write_log("This is NOT a v1 upgrade!"); //PC
	884	+ return false;
220	885	}
	886	+ }
221	887
222		- //settings table structure
	888	+ function is_db_updated_for_min_ver($min_ver) {
	889	+ global $wpdb;
	890	+ $table_name = $wpdb->prefix . "_taboola_settings";
	891	+
	892	+ if($wpdb->get_var("SHOW TABLES LIKE '$table_name'") != $table_name) {
	893	+ tb_write_log("Table NOT FOUND");
	894	+ return false;
	895	+ }
	896	+ else {
	897	+ tb_write_log("Table EXISTS");
	898	+ }
	899	+ $saved_version = get_option(TABOOLA_OPTION_NAME, '1.0.0');
	900	+
	901	+ $db_is_up_to_date = version_compare($saved_version, $min_ver, '>=');
	902	+ return $db_is_up_to_date;
	903	+
	904	+ }
	905	+
	906	+ function is_db_updated_for_current_ver() {
	907	+ global $wpdb;
	908	+ $saved_version = get_option(TABOOLA_OPTION_NAME, '1.0.0');
	909	+ $plugin_version = $this->get_loaded_plugin_version();
	910	+ $db_is_up_to_date = version_compare($saved_version, $plugin_version, '>=');
	911	+ return $db_is_up_to_date;
	912	+ }
	913	+
	914	+ function get_loaded_plugin_version() {
	915	+ $plugin_data = get_plugin_data( __FILE__ );
	916	+ $loaded_plugin_version = $plugin_data['Version'];
	917	+ return $loaded_plugin_version;
	918	+ }
	919	+
	920	+ function save_taboola_version($min_ver) {
	921	+ tb_write_log("SAVING NEW MIN VERSION: " . $min_ver); // PC
	922	+ $saved_version = get_option(TABOOLA_OPTION_NAME, '');
	923	+ if ($saved_version == '') {
	924	+ add_option(TABOOLA_OPTION_NAME, $min_ver);
	925	+ }
	926	+ else {
	927	+ update_option(TABOOLA_OPTION_NAME, $min_ver);
	928	+ }
	929	+ }
	930	+
	931	+ function update_db(){
	932	+ if ($this->is_db_updated_for_min_ver(TABOOLA_MIN_VER)) {
	933	+ return;
	934	+ }
	935	+
	936	+ $this->save_taboola_version(TABOOLA_MIN_VER);
	937	+
	938	+ global $wpdb;
	939	+ require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
	940	+
	941	+ $charset_collate = '';
	942	+ if ( ! empty( $wpdb->charset ) ) {
	943	+ $charset_collate = "DEFAULT CHARACTER SET {$wpdb->charset}";
	944	+ }
	945	+ if ( ! empty( $wpdb->collate ) ) {
	946	+ $charset_collate .= " COLLATE {$wpdb->collate}";
	947	+ }
	948	+
	949	+ $is_upgrade_from_v1 = $this->is_upgrade_from_v1();
223	950	$sql_table_settings = "
224	951	CREATE TABLE `" . $wpdb->prefix . "_taboola_settings` (
225	952	`id` INT NOT NULL AUTO_INCREMENT ,
226	953	`publisher_id` VARCHAR(255) DEFAULT NULL,
	954	+ `web_push_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
	955	+ `publisher_id_push` INT(15) DEFAULT NULL,
227	956	`first_bc_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
228	957	`first_bc_widget_id` VARCHAR(255) DEFAULT NULL,
229		- `first_bc_custom_css` TEXT DEFAULT NULL,
230		- `second_bc_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
231		- `second_bc_widget_id` VARCHAR(255) DEFAULT NULL,
232		- `second_bc_custom_css` TEXT DEFAULT NULL,
	958	+ `first_bc_placement` VARCHAR(255) DEFAULT " . ($is_upgrade_from_v1 ? "'below-article'" : "NULL") .",
	959	+ `out_of_content_enabled` TINYINT(1) NOT NULL DEFAULT TRUE,
	960	+ `mid_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
	961	+ `mid_widgets` TEXT DEFAULT NULL,
	962	+ `home_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
	963	+ `home_widget_id` VARCHAR(255) DEFAULT NULL,
	964	+ `home_placement` VARCHAR(255) DEFAULT NULL,
	965	+ `home_location_string` TEXT DEFAULT NULL,
	966	+ `home_location_string_occurrence` SMALLINT DEFAULT NULL,
	967	+ `category_enabled` TINYINT(1) NOT NULL DEFAULT FALSE,
	968	+ `category_widget_id` VARCHAR(255) DEFAULT NULL,
	969	+ `category_placement` VARCHAR(255) DEFAULT NULL,
	970	+ `category_location_string` TEXT DEFAULT NULL,
	971	+ `category_location_string_occurrence` SMALLINT DEFAULT NULL,
233	972	PRIMARY KEY (`id`)
234		- )" . $charset_collate . ";";
235		-
236		- //check if table exists
237		- if ($wpdb->get_var("show tables like '" . $settings_table . "'") != $settings_table) {
	973	+ ) $charset_collate;";
238	974	dbDelta($sql_table_settings);
239		- }
240	975	}
241	976	}
242	977	}
243	978
244	979	global $taboolaWP;
245		-$taboolaWP = new TaboolaWP();
	980	+$taboolaWP = new TaboolaWP();
	981	+
	982	+function tb_write_log($log_msg)
	983	+{
	984	+ if (!TABOOLA_DEBUG_MODE)
	985	+ return;
	986	+
	987	+ $log_filename = "logs";
	988	+ if (!file_exists($log_filename))
	989	+ {
	990	+ mkdir($log_filename, 0777, true);
	991	+ }
	992	+ $log_file_data = $log_filename.'/debug.log';
	993	+
	994	+ $date = date('Y-m-d H:i:s');
	995	+ $log_msg_with_date = $date." : ".$log_msg;
	996	+
	997	+ file_put_contents($log_file_data, $log_msg_with_date . "\n", FILE_APPEND);
	998	+}
	999	+
	1000	+function tb_console_log( $data ){
	1001	+
	1002	+ If(wp_get_environment_type() === 'development') {
	1003	+
	1004	+ echo '<script>';
	1005	+ echo 'console.log('. json_encode( $data ) .')';
	1006	+ echo '</script>';
	1007	+
	1008	+ }
	1009	+}
	1010	+
	1011	+function tb_print_to_page($data) {
	1012	+ If(wp_get_environment_type() === 'development') {
	1013	+ print_r($data);
	1014	+ die;
	1015	+ }
	1016	+}
	1017	+
	1018	+function enqueue_taboola_scripts() {
	1019	+ wp_register_script(
	1020	+ 'taboola-injector',
	1021	+ plugins_url('js/js_inject.min.js', __FILE__),
	1022	+ array(),
	1023	+ null,
	1024	+ true
	1025	+ );
	1026	+
	1027	+ wp_enqueue_script('taboola-injector');
	1028	+}
	1029	+add_action('wp_enqueue_scripts', 'enqueue_taboola_scripts');