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Page Builder: Pagelayer – Drag and Drop website builder / 0.9.1
Page Builder: Pagelayer – Drag and Drop website builder v0.9.1
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pagelayer / main / functions.php

functions.php in Page Builder: Pagelayer – Drag and Drop website builder 0.9.1, at main/functions.php

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1 <?php
2
3 //////////////////////////////////////////////////////////////
4 //===========================================================
5 // class.php
6 //===========================================================
7 // PAGELAYER
8 // Inspired by the DESIRE to be the BEST OF ALL
9 // ----------------------------------------------------------
10 // Started by: Pulkit Gupta
11 // Date: 23rd Jan 2017
12 // Time: 23:00 hrs
13 // Site: http://pagelayer.com/wordpress (PAGELAYER)
14 // ----------------------------------------------------------
15 // Please Read the Terms of use at http://pagelayer.com/tos
16 // ----------------------------------------------------------
17 //===========================================================
18 // (c)Pagelayer Team
19 //===========================================================
20 //////////////////////////////////////////////////////////////
21
22 // Are we being accessed directly ?
23 if(!defined('PAGELAYER_VERSION')) {
24 exit('Hacking Attempt !');
25 }
26
27 // Get the client IP
28 function _pagelayer_getip(){
29 if(isset($_SERVER["REMOTE_ADDR"])){
30 return $_SERVER["REMOTE_ADDR"];
31 }elseif(isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
32 return $_SERVER["HTTP_X_FORWARDED_FOR"];
33 }elseif(isset($_SERVER["HTTP_CLIENT_IP"])){
34 return $_SERVER["HTTP_CLIENT_IP"];
35 }
36 }
37
38 // Get the client IP
39 function pagelayer_getip(){
40
41 global $pagelayer;
42
43 // Just so that we have something
44 $ip = _pagelayer_getip();
45
46 $pagelayer['ip_method'] = (int) @$pagelayer['ip_method'];
47
48 if(isset($_SERVER["REMOTE_ADDR"])){
49 $ip = $_SERVER["REMOTE_ADDR"];
50 }
51
52 if(isset($_SERVER["HTTP_X_FORWARDED_FOR"]) && @$pagelayer['ip_method'] == 1){
53 $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
54 }
55
56 if(isset($_SERVER["HTTP_CLIENT_IP"]) && @$pagelayer['ip_method'] == 2){
57 $ip = $_SERVER["HTTP_CLIENT_IP"];
58 }
59
60 // Hacking fix for X-Forwarded-For
61 if(!pagelayer_valid_ip($ip)){
62 return '';
63 }
64
65 return $ip;
66
67 }
68
69 // Execute a select query and return an array
70 function pagelayer_selectquery($query, $array = 0){
71 global $wpdb;
72
73 $result = $wpdb->get_results($query, 'ARRAY_A');
74
75 if(empty($array)){
76 return current($result);
77 }else{
78 return $result;
79 }
80 }
81
82 // Check if an IP is valid
83 function pagelayer_valid_ip($ip){
84
85 // IPv6
86 if(pagelayer_valid_ipv6($ip)){
87 return true;
88 }
89
90 // IPv4
91 if(!ip2long($ip)){
92 return false;
93 }
94
95 return true;
96 }
97
98 function pagelayer_valid_ipv6($ip){
99
100 $pattern = '/^((([0-9A-Fa-f]{1,4}:){7}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}:[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){5}:([0-9A-Fa-f]{1,4}:)?[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){4}:([0-9A-Fa-f]{1,4}:){0,2}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){3}:([0-9A-Fa-f]{1,4}:){0,3}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){2}:([0-9A-Fa-f]{1,4}:){0,4}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){6}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(([0-9A-Fa-f]{1,4}:){0,5}:((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|(::([0-9A-Fa-f]{1,4}:){0,5}((\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b)\.){3}(\b((25[0-5])|(1\d{2})|(2[0-4]\d)|(\d{1,2}))\b))|([0-9A-Fa-f]{1,4}::([0-9A-Fa-f]{1,4}:){0,5}[0-9A-Fa-f]{1,4})|(::([0-9A-Fa-f]{1,4}:){0,6}[0-9A-Fa-f]{1,4})|(([0-9A-Fa-f]{1,4}:){1,7}:))$/';
101
102 if(!preg_match($pattern, $ip)){
103 return false;
104 }
105
106 return true;
107
108 }
109
110 // Check if a field is posted via POST else return default value
111 function pagelayer_optpost($name, $default = ''){
112
113 if(!empty($_POST[$name])){
114 return pagelayer_inputsec(pagelayer_htmlizer(trim($_POST[$name])));
115 }
116
117 return $default;
118 }
119
120 // Check if a field is posted via GET else return default value
121 function pagelayer_optget($name, $default = ''){
122
123 if(!empty($_GET[$name])){
124 return pagelayer_inputsec(pagelayer_htmlizer(trim($_GET[$name])));
125 }
126
127 return $default;
128 }
129
130 // Check if a field is posted via GET or POST else return default value
131 function pagelayer_optreq($name, $default = ''){
132
133 if(!empty($_REQUEST[$name])){
134 return pagelayer_inputsec(pagelayer_htmlizer(trim($_REQUEST[$name])));
135 }
136
137 return $default;
138 }
139
140 // For filling in posted values
141 function pagelayer_POSTval($name, $default = ''){
142
143 return (!empty($_POST) ? (!isset($_POST[$name]) ? '' : $_POST[$name]) : $default);
144
145 }
146
147 function pagelayer_POSTchecked($name, $default = false){
148
149 return (!empty($_POST) ? (isset($_POST[$name]) ? 'checked="checked"' : '') : (!empty($default) ? 'checked="checked"' : ''));
150
151 }
152
153 function pagelayer_POSTselect($name, $value, $default = false){
154
155 if(empty($_POST)){
156 if(!empty($default)){
157 return 'selected="selected"';
158 }
159 }else{
160 if(isset($_POST[$name])){
161 if(trim($_POST[$name]) == $value){
162 return 'selected="selected"';
163 }
164 }
165 }
166
167 }
168
169 function pagelayer_inputsec($string){
170
171 if(!get_magic_quotes_gpc()){
172
173 $string = addslashes($string);
174
175 }else{
176
177 $string = stripslashes($string);
178 $string = addslashes($string);
179
180 }
181
182 // This is to replace ` which can cause the command to be executed in exec()
183 $string = str_replace('`', '\`', $string);
184
185 return $string;
186
187 }
188
189 function pagelayer_htmlizer($string){
190
191 $string = htmlentities($string, ENT_QUOTES, 'UTF-8');
192
193 preg_match_all('/(&amp;#(\d{1,7}|x[0-9a-fA-F]{1,6});)/', $string, $matches);//r_print($matches);
194
195 foreach($matches[1] as $mk => $mv){
196 $tmp_m = pagelayer_entity_check($matches[2][$mk]);
197 $string = str_replace($matches[1][$mk], $tmp_m, $string);
198 }
199
200 return $string;
201
202 }
203
204 function pagelayer_entity_check($string){
205
206 //Convert Hexadecimal to Decimal
207 $num = ((substr($string, 0, 1) === 'x') ? hexdec(substr($string, 1)) : (int) $string);
208
209 //Squares and Spaces - return nothing
210 $string = (($num > 0x10FFFF || ($num >= 0xD800 && $num <= 0xDFFF) || $num < 0x20) ? '' : '&#'.$num.';');
211
212 return $string;
213
214 }
215
216 // Check if a checkbox is selected
217 function pagelayer_is_checked($post){
218
219 if(!empty($_POST[$post])){
220 return true;
221 }
222 return false;
223 }
224
225 // Reoort an error
226 function pagelayer_report_error($error = array()){
227
228 if(empty($error)){
229 return true;
230 }
231
232 $error_string = '<b>Please fix the below error(s) :</b> <br />';
233
234 foreach($error as $ek => $ev){
235 $error_string .= '* '.$ev.'<br />';
236 }
237
238 echo '<div id="message" class="error"><p>'
239 . __pl($error_string)
240 . '</p></div>';
241 }
242
243 // Report a notice
244 function pagelayer_report_notice($notice = array()){
245
246 global $wp_version;
247
248 if(empty($notice)){
249 return true;
250 }
251
252 // Which class do we have to use ?
253 if(version_compare($wp_version, '3.8', '<')){
254 $notice_class = 'updated';
255 }else{
256 $notice_class = 'updated';
257 }
258
259 $notice_string = '<b>Please check the below notice(s) :</b> <br />';
260
261 foreach($notice as $ek => $ev){
262 $notice_string .= '* '.$ev.'<br />';
263 }
264
265 echo '<div id="message" class="'.$notice_class.'"><p>'
266 . __pl($notice_string)
267 . '</p></div>';
268 }
269
270 // Convert an objext to array
271 function pagelayer_objectToArray($d){
272
273 if(is_object($d)){
274 $d = get_object_vars($d);
275 }
276
277 if(is_array($d)){
278 return array_map(__FUNCTION__, $d); // recursive
279 }elseif(is_object($d)){
280 return pagelayer_objectToArray($d);
281 }else{
282 return $d;
283 }
284 }
285
286 // Sanitize variables
287 function pagelayer_sanitize_variables($variables = array()){
288
289 if(is_array($variables)){
290 foreach($variables as $k => $v){
291 $variables[$k] = trim($v);
292 $variables[$k] = escapeshellcmd($v);
293 }
294 }else{
295 $variables = escapeshellcmd(trim($variables));
296 }
297
298 return $variables;
299 }
300
301 // Is multisite ?
302 function pagelayer_is_multisite() {
303
304 if(function_exists('get_site_option') && function_exists('is_multisite') && is_multisite()){
305 return true;
306 }
307
308 return false;
309 }
310
311 // Generate a random string
312 function pagelayer_RandomString($length = 10){
313 $characters = '0123456789abcdefghijklmnopqrstuvwxyz';
314 $charactersLength = strlen($characters);
315 $randomString = '';
316 for($i = 0; $i < $length; $i++){
317 $randomString .= $characters[rand(0, $charactersLength - 1)];
318 }
319 return $randomString;
320 }
321
322 function pagelayer_print($array){
323
324 echo '<pre>';
325 print_r($array);
326 echo '</pre>';
327
328 }
329
330 function pagelayer_cleanpath($path){
331 $path = str_replace('\\\\', '/', $path);
332 $path = str_replace('\\', '/', $path);
333 $path = str_replace('//', '/', $path);
334 return rtrim($path, '/');
335 }
336
337 // Returns the Numeric Value of results Per Page
338 function pagelayer_get_page($get = 'page', $resperpage = 50){
339
340 $resperpage = (!empty($_REQUEST['reslen']) && is_numeric($_REQUEST['reslen']) ? (int) pagelayer_optreq('reslen') : $resperpage);
341
342 if(pagelayer_optget($get)){
343 $pg = (int) pagelayer_optget($get);
344 $pg = $pg - 1;
345 $page = ($pg * $resperpage);
346 $page = ($page <= 0 ? 0 : $page);
347 }else{
348 $page = 0;
349 }
350 return $page;
351 }
352
353 // Are we editing from the Admin panel ?
354 function pagelayer_is_editing($force = false){
355
356 global $post, $pagelayer;
357
358 if(!empty($force)){
359 return true;
360 }
361
362 if(!is_admin()){
363 return false;
364 }
365
366 $current_file = basename($_SERVER['PHP_SELF']);
367
368 $type = get_post_type();
369 //echo $type;return false;
370 //$page = pagelayer_optreq('page');
371
372 // Are we in the live editor mode OR is this a post which is supported
373 if((pagelayer_supported_type($type) && in_array($current_file, array('post.php', 'post-new.php'))) || pagelayer_is_live()){
374 return true;
375 }else{
376 return false;
377 }
378
379 }
380
381 // Is the given post type editable by us ?
382 function pagelayer_supported_type($type){
383
384 global $pagelayer;
385
386 $type = trim($type);
387
388 if(in_array($type, $pagelayer->settings['post_types'])){
389 return true;
390 }
391
392 return false;
393
394 }
395
396 function pagelayer_shortlink($id){
397 $link = wp_get_shortlink($id);
398 $link .= substr_count($link, '?') > 0 ? '' : '?';
399 return $link;
400 }
401
402 // Are we in live mode ?
403 function pagelayer_is_live(){
404
405 global $post;
406
407 // Are we seeing the post ?
408 if(!isset($post) || !isset($post->ID) || empty($post->ID)){
409 return false;
410 }
411
412 // Is it the live mode ?
413 if(pagelayer_optreq('pagelayer-live')){
414 return true;
415 }
416
417 return false;
418
419 }
420
421 // Are we in live IFRAME mode ?
422 function pagelayer_is_live_iframe(){
423
424 // Are we seeing the post ?
425 if(!pagelayer_is_live()){
426 return false;
427 }
428
429 // Is it the live mode ?
430 if(pagelayer_optreq('pagelayer-iframe')){
431 return true;
432 }
433
434 return false;
435
436 }
437
438 // Can the current user edit the post ?
439 function pagelayer_user_can_edit($post = NULL){
440
441 global $wp_the_query, $current_user;
442
443 if(!isset($post) || empty($post) || $post === NULL){
444 global $post;
445 }
446
447 wp_get_current_user();
448
449 if(isset($post) && is_object($post) && isset($post->ID) && isset($post->post_author) && isset($current_user) && is_object($current_user) && isset($current_user->ID) && (current_user_can('edit_others_posts', $post->ID) || ($post->post_author == $current_user->ID))){
450 return true;
451 }
452
453 return false;
454
455 }
456
457 // Language sting function
458 function __pl($key){
459
460 global $pagelayer;
461
462 if(!empty($pagelayer->l[$key])){
463 return $pagelayer->l[$key];
464 }
465
466 return $key;
467
468 }
469
470 // Give the list of icon sources
471 function pagelayer_icon_sources(){
472 return array();
473 }
474
475 // Loads the shortcodes
476 function pagelayer_load_shortcodes(){
477
478 include_once(PAGELAYER_DIR.'/main/shortcode_functions.php');
479 include_once(PAGELAYER_DIR.'/main/shortcodes.php');
480
481 // pQuery
482 include_once(PAGELAYER_DIR.'/lib/pquery/IQuery.php');
483 include_once(PAGELAYER_DIR.'/lib/pquery/gan_formatter.php');
484 include_once(PAGELAYER_DIR.'/lib/pquery/gan_node_html.php');
485 include_once(PAGELAYER_DIR.'/lib/pquery/gan_tokenizer.php');
486 include_once(PAGELAYER_DIR.'/lib/pquery/gan_parser_html.php');
487 include_once(PAGELAYER_DIR.'/lib/pquery/gan_selector_html.php');
488 include_once(PAGELAYER_DIR.'/lib/pquery/gan_xml2array.php');
489 include_once(PAGELAYER_DIR.'/lib/pquery/pQuery.php');
490
491 }
492
493 // Add the shortcodes to the pagelayer list
494 function pagelayer_add_shortcode($tag, $params = array()){
495
496 global $pagelayer;
497
498 // Is there a handler function ?
499 if(!empty($params['func'])){
500 add_shortcode($tag, 'pagelayer_render_shortcode');//$params['func']);
501 //unset($params['func']);
502 }
503
504 // Is there a group ?
505 if(empty($params['group'])){
506 $params['group'] = 'misc';
507 }
508
509 // Add the advanced styling group
510 $params['options'] = [
511 'ele_bg_styles' => __pl('ele_bg_styles'),
512 'ele_styles' => __pl('ele_styles'),
513 'border_styles' => __pl('border_styles'),
514 'animation_styles' => __pl('animation_styles'),
515 'responsive_styles' => __pl('responsive_styles'),
516 'custom_styles' => __pl('custom_styles'),
517 ];
518
519 // Are the settings there which hold the params ?
520 if(empty($params['settings'])){
521 $params['settings'] = [
522 'params' => $params['name'],
523 ];
524 }
525
526 // Disable the style options
527 if(!empty($params['styles'])){
528 $params['settings'] = array_merge($params['settings'], $params['styles']);
529 unset($params['styles']);
530 }
531
532 // Insert the shortcode
533 $pagelayer->shortcodes[$tag] = $params;
534 $pagelayer->groups[$params['group']][] = $tag;
535
536 }
537
538 // Returns the Image values
539 function pagelayer_image($id){
540
541 $ret = [];
542
543 // External image ?
544 if(pagelayer_is_external_img($id)){
545
546 $ret['full-url'] = $id;
547
548 // Attachment
549 }elseif(!empty($id)){
550
551 $id = (int) @$id;
552
553 $image = get_post($id);
554
555 // Is there an attachment which is an image ?
556 if(!empty($image) && $image->post_type == 'attachment' && wp_attachment_is_image($id)){
557
558 $sizes = get_intermediate_image_sizes();
559 array_unshift($sizes, 'full');
560
561 foreach($sizes as $size){
562 $src = wp_get_attachment_image_src($id, $size);
563 $ret[$size.'-url'] = $src[0];
564 }
565
566 // Title and Alt
567 $title = esc_attr($image->post_title);
568 $alt = get_post_meta($id, '_wp_attachment_image_alt', true);
569 $alt = empty($alt) ? $image->post_excerpt : $alt;
570 $alt = empty($alt) ? $image->post_title : $alt;
571 $alt = empty($alt) ? '' : trim(strip_tags($alt));
572 $link = get_attachment_link($id);
573 $caption = wp_get_attachment_caption($id);
574 $caption = !empty($caption) ? $caption : '';
575
576 $ret['alt'] = $alt;
577 $ret['title'] = $title;
578 $ret['link'] = $link;
579 $ret['caption'] = $caption;
580
581 }
582
583 }
584
585 // No image
586 if(empty($ret['full-url'])){
587 $ret['full-url'] = PAGELAYER_URL.'/images/default-image.png';
588 }
589
590 $ret['url'] = $ret['full-url'];
591
592 return $ret;
593
594 }
595
596 // Checks if the given parameter is an external link or a wp attachment id
597 function pagelayer_is_external_img($img = ''){
598
599 if(empty($img)){
600 return false;
601 }
602
603 if(preg_match('#http://#is', $img) || preg_match('#https://#is', $img) || preg_match('#^{{#is', $img)){
604 return true;
605 }
606
607 return false;
608
609 }
610
611 // Returns the attachment url
612 function pagelayer_attachment($id){
613
614 $ret = [];
615
616 // External url ?
617 if(pagelayer_is_external_img($id)){
618
619 $ret['url'] = $id;
620
621 // Attachment
622 }elseif(!empty($id)){
623
624 $ret['url'] = wp_get_attachment_url($id);
625
626 }
627
628 return $ret;
629
630 }
631
632 // Convert the regular URL of a Video to a Embed URL
633 // Todo : Check
634 function pagelayer_video_url($source){
635
636 if (!empty($source)) {
637 $source = filter_var($source, FILTER_SANITIZE_URL);
638 $source = str_replace('&amp;', '&', $source);
639 $url = parse_url($source);
640
641 $youtubeRegExp = '/youtube\.com|youtu\.be/is';
642 $vimeoRegExp = '/vimeo\.com/is';
643
644 if (preg_match($youtubeRegExp, $source)) {
645 $videoSite = 'youtube';
646 } else if (preg_match($vimeoRegExp, $source)) {
647 $videoSite = 'vimeo';
648 }
649
650 switch ($videoSite) {
651 case 'youtube':
652
653 if (preg_match('/youtube\.com/is', $source)) {
654
655 if (preg_match('/watch/is', $source)) {
656 parse_str($url['query'], $parameters);
657
658 if (isset($parameters['v']) && !empty($parameters['v'])) {
659 $videoId = $parameters['v'];
660 }
661
662 } else if (preg_match('/embed/is', $url['path'])) {
663 $path = explode('/', $url['path']);
664 if (isset($path[2]) && !empty($path[2])) {
665 $videoId = $path[2];
666 }
667 }
668
669 } else if (preg_match('/youtu\.be/is', $url['host'])) {
670 $path = explode('/', $url['path']);
671
672 if (isset($path[1]) && !empty($path[1])) {
673 $videoId = $path[1];
674 }
675
676 }
677
678 return '//youtube.com/embed/'.$videoId;
679
680 break;
681 case 'vimeo':
682
683 if (preg_match('/player\.vimeo\.com/is', $url['host']) && preg_match('/video/is', $url['path'])) {
684 $path = explode('/', $url['path']);
685
686 if (isset($path[2]) && !empty($path[2])) {
687 $videoId = $path[2];
688 }
689
690 } else if (preg_match('/vimeo\.com/is', $url['host'])) {
691 $path = explode('/', $url['path']);
692
693 if (isset($path[1]) && !empty($path[1])) {
694 $videoId = $path[1];
695 }
696
697 }
698
699 return '//player.vimeo.com/video/'.$videoId;
700
701 break;
702 default:
703
704 return $source;
705
706 }
707
708 }
709 }
710
711
712 // As per the JS specification
713 function pagelayer_escapeHTML($str){
714
715 $replace = [
716 ']' => '&#93;',
717 '[' => '&#91;',
718 //'=' => '&#61;',
719 '<' => '&lt;',
720 '>' => '&gt;',
721 '"' => '&quot;',
722 //'&' => '&amp;',
723 '\'' => '&#39;'
724 ];
725
726 $str = str_replace(array_keys($replace), array_values($replace), $str);
727
728 return $str;
729 }
730
731 // As per the JS specification
732 function pagelayer_unescapeHTML($str){
733 $replace = [
734 '#93' => ']',
735 '#91' => '[',
736 //'#61' => '=',
737 'lt' => '<',
738 'gt' => '>',
739 'quot' => '"',
740 //'amp' => '&',
741 '#39' => '\''
742 ];
743
744 foreach($replace as $k => $v){
745 $str = str_replace('&'.$k.';', $v, $str);
746 }
747 return $str;
748 }