<?php

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use AMPforWP\AMPVendor\AMP_Content;

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// Exit if accessed directly

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if ( ! defined( 'ABSPATH' ) ) {

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exit;

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}

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/* This file will contain all the Extra FEATURES.

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0.9. AMP Design Manager Files

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1. Add Home REL canonical

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2. Custom Design

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3. Custom Style files

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4. Custom Header files

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4.1 Custom Meta-Author files

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4.2 Custom Meta-Taxonomy files

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4.5 Added hook to add more layout.

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5. Customize with Width of the site

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6. Add required Javascripts for extra AMP features

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6.1 Adding Analytics Scripts

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7. Footer for AMP Pages

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8. Add Main tag as a Wrapper ( removed in 0.8.9 )

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9. Advertisement code

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10. Analytics Area

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10.1 Analytics Support added for Google Analytics

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10.2 Analytics Support added for segment.com

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10.3 Analytics Support added for Piwik

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10.4 Analytics Support added for quantcast

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10.5 Analytics Support added for comscore

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10.6 Analytics Support added for Effective Measure

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10.7 Analytics Support added for StatCounter

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10.8 Analytics Support added for Histats Analytics

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10.9 Analytics Support added for Yandex Metrika

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10.10 Analytics Support added for Chartbeat Analytics

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10.11 Analytics Support added for Alexa Metrics

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11. Strip unwanted codes and tags from the_content

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12. Add Logo URL in the structured metadata

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13. Add Custom Placeholder Image for Structured Data.

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14. Adds a meta box to the post editing screen for AMP on-off on specific pages.

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15. Disable New Relic's extra script that its adds in AMP pages.

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16. Remove Unwanted Scripts

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17. Archives Canonical in AMP version

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18. Custom Canonical for Homepage

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19. Remove Canonical tags

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20. Remove the default Google font for performance ( removed in 0.8.9 )

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21. Remove Schema data from All In One Schema.org Rich Snippets Plugin

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22. Removing author links from comments Issue #180

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23. The analytics tag appears more than once in the document. This will soon be an error

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24. Seperate Sticky Single Social Icons

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25. Yoast meta Support

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26. Extending Title Tagand De-Hooking the Standard one from AMP

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27. Fixing the defer tag issue [Finally!]

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28. Properly removes AMP if turned off from Post panel

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29. Remove analytics code if Already added by Glue or Yoast SEO

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30. TagDiv menu issue removed

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31. removing scripts added by cleantalk

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32. various lazy loading plugins Support

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33. Google tag manager support added

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34. social share boost compatibility Ticket #387

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35. Disqus Comments Support

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36. remove photon support in AMP

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37. compatibility with wp-html-compression

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38. #529 editable archives

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39. #560 Header and Footer Editable html enabled script area

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40. Meta Robots

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41. Rewrite URL only on save #511

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42. registeing AMP sidebars

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43. custom actions for widgets output

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44. auto adding /amp for the menu

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45. search,frontpage,homepage structured data

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46. search search search everywhere #615

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47. social js properly adding when required

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48. Remove all unwanted scripts on search pages

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49. Properly adding ad Script the AMP way

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50. Properly adding noditification Scritps the AMP way

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51. Adding Digg Digg compatibility with AMP

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52. Adding a generalized sanitizer function for purifiying normal html to amp-html

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53. Removed AMP-WooCommerce Code and added it in AMP-WooCommerce #929

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54. Change the default values of post meta for AMP pages.

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55. Call Now Button Feature added

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56. Multi Translation Feature #540

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57. Adding Updated date at in the Content

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58. YouTube Shortcode compatablity with AMP #557

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59. Comment Button URL

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60. Remove Category Layout modification code added by TagDiv #842 and #796

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61. Add Gist Support

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62. Adding Meta viewport via hook instead of direct #878

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63. Frontpage Comments #682

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64. PageBuilder

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65. Remove Filters code added through Class by other plugins

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66. Make AMP compatible with Squirrly SEO

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69. Post Pagination #834 #857

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70. Hide AMP by specific Categories #872

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71. Alt tag for thumbnails #1013 and For Post ID in Body tag #1006

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72. Blacklist Sanitizer Added back #1024

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73. View AMP Site below View Site In Dashboard #1076

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74. Featured Image check from Custom Fields

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75. Dev Mode in AMP

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76. Body Class for AMP pages

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77. AMP Blog Details

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78. Saved Custom Post Types for AMP in Options for Structured Data

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79. Favicon for AMP

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80. Mobile Preview styling

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81. Duplicate Featured Image Support

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82. Grab Featured Image from The Content

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83. Advance Analytics(Google Analytics)

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84. Inline Related Posts

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85. Caption for Gallery Images

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86. minify the content of pages

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87. Post Thumbnail

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88. Author Details

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89. Facebook Pixel

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90. Set Header last modified information

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91. Comment Author Gravatar URL

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92. View AMP in Admin Bar

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93. added AMP url purifire for amphtml

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94. OneSignal Push Notifications

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95. Modify menu link attributes for SiteNavigationElement Schema Markup #1229 #1345

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96. ampforwp_is_front_page() ampforwp_is_home() and ampforwp_is_blog is created

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97. Change the format of the post date on Loops #1384

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98. Create Dynamic url of amp according to the permalink structure #1318

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99. Merriweather Font Management

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100. Flags compatibility in Menu

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101. Function for Logo attributes

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102. SD Feature Image Guidlines #2838

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*/

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// AMP Components

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// AMP LOGO

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add_amp_theme_support('AMP-logo');

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// AMP Loop

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add_amp_theme_support('AMP-loop');

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// GDPR

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if(ampforwp_get_setting('amp-gdpr-compliance-switch')) {

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add_amp_theme_support('AMP-gdpr');

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}

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// Menu

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add_amp_theme_support('AMP-menu');

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// Adding AMP-related things to the main theme

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global $redux_builder_amp;

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// 0.9. AMP Design Manager Files

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require AMPFORWP_PLUGIN_DIR .'templates/design-manager.php';

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// Custom Frontpage items

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require AMPFORWP_PLUGIN_DIR .'templates/frontpage-elements.php';

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require AMPFORWP_PLUGIN_DIR . '/classes/class-ampforwp-youtube-embed.php' ;

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// Custom Post Types

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require AMPFORWP_PLUGIN_DIR .'templates/ampforwp-custom-post-type.php';

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// TODO: Update this function

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function ampforwp_include_customizer_files(){

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global $redux_builder_amp;

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$amp_plugin_data;

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$amp_plugin_activation_check;

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include_once( ABSPATH . 'wp-admin/includes/plugin.php' );

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$amp_plugin_activation_check = is_plugin_active( 'amp/amp.php' );

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if ( isset ($redux_builder_amp['amp-design-selector']) && 4 != $redux_builder_amp['amp-design-selector'] ) {

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return require AMPFORWP_PLUGIN_DIR .'templates/customizer/customizer.php' ;

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}

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}

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ampforwp_include_customizer_files();

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//0.

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define('AMPFORWP_COMMENTS_PER_PAGE', ampforwp_define_comments_number() );

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// Define number of comments

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function ampforwp_define_comments_number(){

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global $redux_builder_amp;

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$number_of_comments = '';

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if(isset($redux_builder_amp['ampforwp-number-of-comments'])){

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$number_of_comments = $redux_builder_amp['ampforwp-number-of-comments'];

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}

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return $number_of_comments;

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}

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// 1. Add Home REL canonical

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// Add AMP rel-canonical for home and archive pages

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add_action('amp_init','ampforwp_allow_homepage');

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function ampforwp_allow_homepage() {

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add_action( 'wp', 'ampforwp_add_endpoint_actions' );

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}

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function ampforwp_add_endpoint_actions() {

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$ampforwp_is_amp_endpoint = ampforwp_is_amp_endpoint();

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if ( $ampforwp_is_amp_endpoint ) {

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AMPforWP\AMPVendor\amp_prepare_render();

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} else {

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add_action( 'wp_head', 'ampforwp_home_archive_rel_canonical', 1 );

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}

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$cpage_var = get_query_var('cpage');

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if ( $cpage_var >= 1) :

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remove_action( 'wp_head', 'ampforwp_home_archive_rel_canonical', 1 );

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endif;

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}

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function ampforwp_amphtml_generator(){

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global $redux_builder_amp;

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global $wp, $post;

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$post_id = '';

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$endpoint_check = false;

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$endpoint_check = ampforwp_get_setting('amp-core-end-point');

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if( is_attachment() ) {

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return;

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}

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if(get_query_var('paged') && true == ampforwp_get_setting('amp-paginated-pages-indexing')) {

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return;

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}

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if( is_home() && is_front_page() && !ampforwp_get_setting('ampforwp-homepage-on-off-support') ) {

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return;

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}

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if( is_front_page() && ! ampforwp_get_setting('ampforwp-homepage-on-off-support') ) {

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return;

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}

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// HIDE/SHOW TAG AND CATEGORY #4326

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if(is_tag() || is_category() || is_tax()){

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$amp_queried_object = get_queried_object();

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if (is_object($amp_queried_object) && property_exists($amp_queried_object, 'term_id'))

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{

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$term_id = $amp_queried_object->term_id;

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$tax_status = ampforwp_get_taxonomy_meta($term_id,'status');

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if($tax_status==false){

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return;

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}

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}else{

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return;

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}

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}else if(is_single()){

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$tax_status = ampforwp_get_taxonomy_meta('','post_status');

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if($tax_status==false){

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return;

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}

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}

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// Skip this condition for woocommerce product archive and shop pages.

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if( function_exists('amp_woocommerce_pro_add_woocommerce_support') && (function_exists('is_product_category') && !is_product_category()) && (function_exists('is_product_tag') && !is_product_tag()) && (function_exists('is_shop') && !is_shop() ) ){

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if( is_archive() && ( !ampforwp_get_setting('ampforwp-archive-support') || ( is_category() && !ampforwp_get_setting('ampforwp-archive-support-cat') ) || ( is_tag() && !ampforwp_get_setting('ampforwp-archive-support-tag') ))){

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return;

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}

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}

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// When amp woocommerce pro plugin is not active.

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if ( is_archive() && !function_exists('amp_woocommerce_pro_add_woocommerce_support') ) {

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if(!ampforwp_get_setting('ampforwp-archive-support')){

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return;

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}

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if( is_category() && !ampforwp_get_setting('ampforwp-archive-support-cat') ){

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return;

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}

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if( is_tag() && !ampforwp_get_setting('ampforwp-archive-support-tag') ){

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return;

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}

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}

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// #1192 Password Protected posts exclusion

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if(post_password_required( $post )){

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return;

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}

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// #2018 404 exclusion

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if(is_404()){

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return;

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}

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// #1443 AMP should be skip on the check out page

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if(class_exists( 'WooCommerce' )){

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if(function_exists('is_checkout') && is_checkout()){

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return;

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}

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if(function_exists('is_account_page') && is_account_page()){

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return;

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}

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}

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// Search results on/off option #3786

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if(is_search() && 0 == ampforwp_get_setting('amp-redirection-search')){

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return;

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}

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if(function_exists('yith_wishlist_constructor')){

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$class = get_body_class();

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if(in_array("woocommerce-wishlist", $class)){

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return;

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}

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}

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// #872 no-amphtml if selected as hide from settings

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if ( is_category_amp_disabled() ) {

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return;

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}

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if ( is_page() && ! ampforwp_get_setting('amp-on-off-for-all-pages') && ! is_home() && ! is_front_page() ) {

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return;

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}

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if ( is_home() && ! ampforwp_is_blog() && !ampforwp_get_setting('ampforwp-homepage-on-off-support') ) {

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return;

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}

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if(is_author()){

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$amp_auth_url = ampforwp_get_author_page_url();

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return esc_url_raw($amp_auth_url);

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}

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if (!ampforwp_is_home() && !ampforwp_is_front_page() && !ampforwp_is_blog() && !is_category() && !is_tag() && !is_singular( array('page', 'attachment', 'post')) && !function_exists('amp_woocommerce_pro_add_woocommerce_support')){

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global $post_type;

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if (empty(ampforwp_get_setting('ampforwp-custom-type'))) {

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return;

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}

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}

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$page_for_posts = intval(get_option( 'page_for_posts' ));

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$post_id = ampforwp_get_the_ID();

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if ( ampforwp_is_blog() && ! ampforwp_get_setting('amp-on-off-for-all-pages') && ($page_for_posts != $post_id ) ) {

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return;

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}

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$query_arg_array = $wp->query_vars;

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if( in_array( "cpage" , $query_arg_array ) ) {

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if( is_front_page() && $wp->query_vars['cpage'] >= '2' ) {

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return;

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}

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if( is_singular() && $wp->query_vars['cpage'] >= '2' ) {

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return;

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}

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}

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if ( is_home() || is_front_page() || is_archive() ){

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global $wp;

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$current_archive_url = home_url( $wp->request );

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// If its custom permalink with /index.php/ #3279

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if ( is_archive() && false !== strpos($wp->matched_rule, 'index.php') && false === strpos($current_archive_url, 'index.php') ) {

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$current_archive_url = home_url( 'index.php/' . $wp->request );

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}

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$amp_url = trailingslashit($current_archive_url);

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if ($endpoint_check && (is_tax() || is_post_type_archive())) {

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$amp_url = ampforwp_url_controller($amp_url);

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}

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} else {

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$amp_url = AMPforWP\AMPVendor\amp_get_permalink( get_queried_object_id() );

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}

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global $post;

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if ( is_singular() ) {

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$post_id = get_the_ID();

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}

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if ( ampforwp_is_blog() ) {

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$post_id = ampforwp_get_blog_details('id');

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}

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$ampforwp_amp_post_on_off_meta = get_post_meta( $post_id,'ampforwp-amp-on-off',true);

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if ( ( is_singular() || ampforwp_is_blog() ) && $ampforwp_amp_post_on_off_meta === 'hide-amp' ) {

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//dont Echo anything

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} else {

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$supported_types = ampforwp_get_all_post_types();

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if(isset($supported_types['web-story'])){

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$supported_types['web-story'] = '';

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}

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$supported_types = apply_filters('get_amp_supported_post_types',$supported_types);

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$type = get_post_type();

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if(is_home() || is_front_page()){

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if( ampforwp_get_setting('ampforwp-homepage-on-off-support') == 1

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&& ampforwp_get_setting('amp-on-off-for-all-posts') == 0

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&& ampforwp_get_setting('amp-on-off-for-all-pages') == 0 ){

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$supported_types['post'] = 'post';

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}

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}

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$supported_amp_post_types = in_array( $type , $supported_types );

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$query_arg_array = $wp->query_vars;

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if( array_key_exists( 'paged' , $query_arg_array ) ) {

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if ( (is_home() || is_archive()) && $wp->query_vars['paged'] >= '2' ) {

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$new_url = home_url('/');

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// If its custom permalink with /index.php/ #3537

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if ( (is_home() || is_archive()) && false !== strpos($wp->matched_rule, 'index.php') && false === strpos( home_url( $wp->request ), 'index.php') ) {

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$new_url = home_url( 'index.php' );

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$o_url = home_url();

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$new_url = str_replace($o_url, $new_url, $amp_url);

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$new_url = user_trailingslashit($new_url);

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$amp_url = $new_url;

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}

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$category_path = $wp->request;

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if ( null != $category_path && true != $endpoint_check) {

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$explode_path = explode("/",$category_path);

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$inserted = array(AMPFORWP_AMP_QUERY_VAR);

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array_splice( $explode_path, -2, 0, $inserted );

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$impode_url = implode('/', $explode_path);

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$amp_url = $new_url . $impode_url ;

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}

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}

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if( is_search() && $wp->query_vars['paged'] >= '2' ) {

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$current_search_url =trailingslashit(get_home_url()) . $wp->request .'/'."?amp=1&s=".get_search_query();

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}

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}

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if (!$endpoint_check) {

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$amp_url = user_trailingslashit($amp_url);

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}

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[390] Fix | Delete

if( is_search() ) {

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$current_search_url =trailingslashit(get_home_url())."?amp=1&s=".get_search_query();

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$amp_url = untrailingslashit($current_search_url);

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}

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// URL Purifier

[395] Fix | Delete

if(!ampforwp_get_setting('amp-core-end-point') && !ampforwp_get_setting('ampforwp-amp-takeover')){

[396] Fix | Delete

$amp_url = ampforwp_url_purifier($amp_url);

[397] Fix | Delete

}

[398] Fix | Delete

if(true == ampforwp_get_setting('amp-core-end-point') && (!is_home() && !is_front_page() && !is_archive())){

[399] Fix | Delete

$amp_url = add_query_arg( 'amp', '', get_the_permalink() );

[400] Fix | Delete

}

[401] Fix | Delete

[402] Fix | Delete

[403] Fix | Delete

if( $supported_amp_post_types || ampforwp_is_front_page() ) {

[404] Fix | Delete

if(true == ampforwp_get_setting('amp-core-end-point')){

[405] Fix | Delete

if( class_exists('SitePress') ){

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if( get_option('permalink_structure') ){

[407] Fix | Delete

global $sitepress_settings, $wp;

[408] Fix | Delete

$wpml_lang_checker = false;

[409] Fix | Delete

if($sitepress_settings[ 'language_negotiation_type' ] == 3){

[410] Fix | Delete

$amp_url = esc_url($amp_url);

[411] Fix | Delete

$active_langs = $sitepress_settings['active_languages'];

[412] Fix | Delete

foreach ($active_langs as $active_lang) {

[413] Fix | Delete

if (preg_match('/\?lang='.$active_lang.'/', $amp_url)){

[414] Fix | Delete

$amp_url = preg_replace('/&#038;amp=1/', '', $amp_url);

[415] Fix | Delete

$amp_url = preg_replace('/#038;amp/', '', $amp_url);

[416] Fix | Delete

$amp_url = str_replace('?lang='.$active_lang, '?amp=1', $amp_url);

[417] Fix | Delete

$amp_url = add_query_arg( 'lang',$active_lang, $amp_url);

[418] Fix | Delete

}

[419] Fix | Delete

}

[420] Fix | Delete

}

[421] Fix | Delete

}

[422] Fix | Delete

}

[423] Fix | Delete

}

[424] Fix | Delete

if (is_category() && class_exists('WPSEO_Options') && method_exists('WPSEO_Options', 'get') && WPSEO_Options::get( 'stripcategorybase' ) == true && false == ampforwp_get_setting('ampforwp-category-base-removel-link')) {

[425] Fix | Delete

return;

[426] Fix | Delete

}

[427] Fix | Delete

if (is_category() && class_exists('RankMath') && RankMath\Helper::get_settings( 'general.strip_category_base' ) == true && false == ampforwp_get_setting('ampforwp-category-base-removel-link')) {

[428] Fix | Delete

return;

[429] Fix | Delete

}

[430] Fix | Delete

if (is_preview()) {

[431] Fix | Delete

$amp_url = preg_replace('/(.*?)&(.*?)/', '$1&amp&$2', $amp_url);

[432] Fix | Delete

}

[433] Fix | Delete

if(ampforwp_get_setting('amp-core-end-point') && ampforwp_get_setting('ampforwp-amp-takeover') && is_singular()){

[434] Fix | Delete

$amp_url = get_the_permalink();

[435] Fix | Delete

}else if(ampforwp_get_setting('amp-core-end-point') && (ampforwp_is_home() || ampforwp_is_front_page() || ampforwp_is_blog() || is_category() || is_tag() || is_front_page())){

[436] Fix | Delete

$amp_url = ampforwp_url_controller($amp_url);

[437] Fix | Delete

}

[438] Fix | Delete

$amp_url = apply_filters('ampforwp_modify_rel_canonical',$amp_url);

[439] Fix | Delete

return esc_url_raw($amp_url);

[440] Fix | Delete

}

[441] Fix | Delete

}

[442] Fix | Delete

return;

[443] Fix | Delete

}

[444] Fix | Delete

[445] Fix | Delete

// AMPHTML when using custom page and then creating a blog page

[446] Fix | Delete

add_action('amp_init','ampforwp_allow_homepage_as_blog');

[447] Fix | Delete

function ampforwp_allow_homepage_as_blog() {

[448] Fix | Delete

if(function_exists('mfn_opts_setup')){

[449] Fix | Delete

remove_action( 'pre_get_posts', 'mfn_search' );

[450] Fix | Delete

}

[451] Fix | Delete

add_action( 'wp', 'ampforwp_static_blog' , 11 );

[452] Fix | Delete

}

[453] Fix | Delete

function ampforwp_static_blog(){

[454] Fix | Delete

global $page;

[455] Fix | Delete

$modify_canonical = ampforwp_is_front_page();

[456] Fix | Delete

$get_front_page_reading_settings = get_option('page_on_front');

[457] Fix | Delete

// Homepage support on

[458] Fix | Delete

$get_amp_homepage_support = ampforwp_get_setting('ampforwp-homepage-on-off-support');

[459] Fix | Delete

if ( 'page' == get_option( 'show_on_front') && is_front_page() && $get_front_page_reading_settings && $get_amp_homepage_support ){

[460] Fix | Delete

$modify_canonical = true;

[461] Fix | Delete

}

[462] Fix | Delete

if ( true == $modify_canonical && $page >= 2 && is_page() && false == ampforwp_get_setting('amp-core-end-point') ) {

[463] Fix | Delete

add_filter('ampforwp_modify_rel_canonical','ampforwp_modify_amphtml_static_blog');

[464] Fix | Delete

}

[465] Fix | Delete

}

[466] Fix | Delete

[467] Fix | Delete

function ampforwp_modify_amphtml_static_blog($amp_url) {

[468] Fix | Delete

$explode_url = $amp_endpoint = $offset = "";

[469] Fix | Delete

[470] Fix | Delete

$explode_url = explode('/', $amp_url);

[471] Fix | Delete

$explode_url = array_flip($explode_url);

[472] Fix | Delete

unset($explode_url[AMPFORWP_AMP_QUERY_VAR]);

[473] Fix | Delete

$explode_url = array_flip($explode_url);

[474] Fix | Delete

$amp_endpoint = array(AMPFORWP_AMP_QUERY_VAR);

[475] Fix | Delete

$offset = count($explode_url) - 2;

[476] Fix | Delete

array_splice( $explode_url, $offset, 0, $amp_endpoint );

[477] Fix | Delete

$amp_url = implode('/', $explode_url);

[478] Fix | Delete

return $amp_url;

[479] Fix | Delete

}

[480] Fix | Delete

[481] Fix | Delete

function ampforwp_home_archive_rel_canonical() {

[482] Fix | Delete

[483] Fix | Delete

$amp_url = "";

[484] Fix | Delete

[485] Fix | Delete

$amp_url = ampforwp_amphtml_generator();

[486] Fix | Delete

[487] Fix | Delete

if ( $amp_url ) {

[488] Fix | Delete

printf('<link rel="amphtml" href="%s" />', esc_url($amp_url));

[489] Fix | Delete

if(false==ampforwp_get_setting('hide-amp-version-from-source')){

[490] Fix | Delete

printf('<meta name="generator" content="%s %s"/>', esc_html__('AMP for WP'), esc_attr(AMPFORWP_VERSION) );

[491] Fix | Delete

}

[492] Fix | Delete

}

[493] Fix | Delete

[494] Fix | Delete

} //end of ampforwp_home_archive_rel_canonical()

[495] Fix | Delete

[496] Fix | Delete

// Remove default wordpress rel canonical

[497] Fix | Delete

add_filter('amp_frontend_show_canonical','ampforwp_remove_default_canonical');

[498] Fix | Delete

if (! function_exists('ampforwp_remove_default_canonical') ) {

[499] Fix | Delete