<?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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// Adding Custom meta Sanitizer to sanitize the custom content added throught tinymce post meta

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add_filter( 'amp_post_template_data', 'ampforwp_custom_post_content_sanitizer', 10, 2 );

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function ampforwp_custom_post_content_sanitizer( $data, $post ) {

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global $redux_builder_amp;

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if ( is_home() && $redux_builder_amp['amp-frontpage-select-option'] === 0 ) {

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return $data;

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}

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global $post;

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$amp_current_post_id = get_the_ID();

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if ( ampforwp_is_front_page() && ampforwp_get_frontpage_id() ) {

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//Custom AMP Editor Support for WPML #1138

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

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if ( is_plugin_active( 'sitepress-multilingual-cms/sitepress.php' ) ) {

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$amp_current_post_id = get_option('page_on_front');

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}

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else {

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$amp_current_post_id = ampforwp_get_frontpage_id();

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}

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}

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// Custom AMP Editor Support for Polylang #1779

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if ( ampforwp_polylang_front_page() ) {

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$amp_current_post_id = pll_get_post(get_option('page_on_front'));

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}

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$amp_custom_post_content_input = get_post_meta($amp_current_post_id, 'ampforwp_custom_content_editor', true);

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$amp_custom_post_content_input = html_entity_decode($amp_custom_post_content_input);

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$amp_custom_post_content_check = get_post_meta($amp_current_post_id, 'ampforwp_custom_content_editor_checkbox', true);

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if ( empty( $amp_custom_post_content_input ) ) {

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$data['ampforwp_amp_content'] = false;

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return $data;

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}

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if ( 'yes' === $amp_custom_post_content_check ) {

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$amp_custom_content = new AMP_Content( $amp_custom_post_content_input,

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apply_filters( 'amp_content_embed_handlers', array(

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'AMP_Reddit_Embed_Handler' => array(),

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'AMP_Twitter_Embed_Handler' => array(),

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'AMP_YouTube_Embed_Handler' => array(),

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'AMP_DailyMotion_Embed_Handler' => array(),

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'AMP_Vimeo_Embed_Handler' => array(),

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'AMP_SoundCloud_Embed_Handler' => array(),

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'AMP_Instagram_Embed_Handler' => array(),

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'AMP_Vine_Embed_Handler' => array(),

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'AMP_Facebook_Embed_Handler' => array(),

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'AMP_Pinterest_Embed_Handler' => array(),

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'AMP_Gallery_Embed_Handler' => array(),

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'AMP_Playlist_Embed_Handler' => array(),

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'AMP_Tiktok_Embed_Handler'=>array(),

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) ),

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apply_filters( 'amp_content_sanitizers', array(

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'AMP_Style_Sanitizer' => array(),

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'AMP_Blacklist_Sanitizer' => array(),

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'AMP_Img_Sanitizer' => array(),

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'AMP_Video_Sanitizer' => array(),

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'AMP_Audio_Sanitizer' => array(),

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'AMP_Playbuzz_Sanitizer' => array(),

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'AMP_Iframe_Sanitizer' => array(

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'add_placeholder' => true,

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),

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) )

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);

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if ( $amp_custom_content ) {

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$data['ampforwp_amp_content'] = $amp_custom_content->get_amp_content();

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$data['amp_component_scripts'] = $amp_custom_content->get_amp_scripts();

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$data['post_amp_styles'] = $amp_custom_content->get_amp_styles();

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}

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}

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return $data;

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}

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function ampforwp_custom_content_meta_register() {

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global $redux_builder_amp;

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global $post_id;

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if( ampforwp_role_based_access_options() == true && ( current_user_can('edit_posts') || current_user_can('edit_pages') ) ){

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if ( $redux_builder_amp['amp-on-off-for-all-posts'] ) {

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add_meta_box( 'custom_content_editor', esc_html__( 'Custom AMP Editor', 'accelerated-mobile-pages' ), 'amp_content_editor_title_callback', 'post','normal', 'default' );

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}

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$frontpage_id = ampforwp_get_the_ID();

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if ( true == ampforwp_get_setting('amp-on-off-for-all-pages') || ( true == ampforwp_get_setting('amp-frontpage-select-option') && $post_id == $frontpage_id )) {

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add_meta_box( 'custom_content_editor', esc_html__( 'Custom AMP Editor','accelerated-mobile-pages' ), 'amp_content_editor_title_callback', 'page','normal', 'default' );

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}

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// Custom AMP Editor for Custom Post Types

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$post_types = ampforwp_get_all_post_types();

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if ( $post_types ) {

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foreach ( $post_types as $post_type ) {

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if ( 'post' !== $post_type && 'page' !== $post_type ) {

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add_meta_box( 'custom_content_editor', esc_html__( 'Custom AMP Editor', 'accelerated-mobile-pages' ), 'amp_content_editor_title_callback', $post_type ,'normal', 'default' );

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}

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}

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}

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// Assign Pagebuilder Meta Box // Legecy pagebuilder

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if ( function_exists('ampforwp_custom_theme_files_register') ) {

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add_meta_box( 'custom_content_sidebar', esc_html__( 'AMP Page Builder', 'accelerated-mobile-pages' ), 'amp_content_sidebar_callback', 'page','side', 'default' );

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}

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}

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}

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add_action('add_meta_boxes','ampforwp_custom_content_meta_register');

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function amp_content_sidebar_callback( $post ) {

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global $post;

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global $redux_builder_amp;

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$current_post_id = $post->ID;

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wp_nonce_field( basename( __FILE__) , 'custom_content_sidebar_nonce' );

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$amp_content_sidebar = get_post_meta($current_post_id, 'ampforwp_custom_sidebar_select', true);

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$amp_content_sidebar = esc_attr($amp_content_sidebar); ?>

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<select name="ampforwp_custom_sidebar_select" id="ampforwp-sidebars-page-sidebar-name">

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<option <?php if ( isset ( $amp_content_sidebar ) ) selected( $amp_content_sidebar, 'none' ); ?> value="none"><?php esc_attr_e( 'None', 'accelerated-mobile-pages' ); ?></option>

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<option <?php if ( isset ( $amp_content_sidebar ) ) selected( $amp_content_sidebar, 'layout-builder' ); ?> value="layout-builder"><?php esc_attr_e( 'Page Builder (AMP)', 'accelerated-mobile-pages' ); ?></option>

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</select>

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<p>Assign an AMP Page Builder Widget Area which will be used AMP page.<br /><a href="https://ampforwp.com/tutorials/page-builder">(Need Help?)</a></p>

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<?php

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}

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function amp_content_editor_title_callback( $post ) {

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global $post;

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global $redux_builder_amp;

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$amp_current_post_id = $post->ID;

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if ( is_home() && $redux_builder_amp['amp-frontpage-select-option'] ) {

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$amp_current_post_id = ampforwp_get_frontpage_id();

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}

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wp_nonce_field( basename( __FILE__) , 'amp_content_editor_nonce' );

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$amp_content_on_off = get_post_meta($amp_current_post_id, 'ampforwp_custom_content_editor_checkbox', true);

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$amp_content_on_off = esc_attr($amp_content_on_off);

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?>

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<!--HTML content starts here-->

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<label for="meta-checkbox">

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<p>

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<input type="checkbox" name="ampforwp_custom_content_editor_checkbox" id="meta-checkbox" value="yes" <?php if ( isset ( $amp_content_on_off ) ) checked( $amp_content_on_off, 'yes' ); ?> />

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<?php esc_attr_e( 'Use This Content as AMP Content','accelerated-mobile-pages' )?> </p>

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<p><?php esc_attr_e('If you want to add some special tags, then please use normal HTML into this area, it will automatically convert them into AMP compatible tags.','accelerated-mobile-pages') ?></p>

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</label>

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<div class="amp-editor-content" id="amp-editor-checker" style="background: #FFF59D;padding: 8px 14px;width:96%;margin-bottom:12px;"><b>Note: </b> <span id="ampforwp-amp-content-error-msg">AMP contents is blank, Please enter content</span></div>

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<!--HTML content Ends here-->

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<?php

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$content = get_post_meta ( $amp_current_post_id, 'ampforwp_custom_content_editor', true );

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$content = html_entity_decode($content);

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$editor_id = 'ampforwp_custom_content_editor';

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wp_editor( $content, $editor_id );

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}

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// Save Rating Meta Field function

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function amp_content_editor_meta_save( $post_id ) {

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if ( ! current_user_can('edit_posts') && ! current_user_can('edit_pages') ) {

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return ;

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}

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// Checks save status

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$is_autosave = wp_is_post_autosave( $post_id );

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$is_revision = wp_is_post_revision( $post_id );

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$is_valid_nonce = (isset( $_POST['amp_content_editor_nonce'] ) && wp_verify_nonce( $_POST[ 'amp_content_editor_nonce' ], basename( __FILE__ ) ) ) ? 'true' : 'false';

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// Exits script depending on save status

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if ( $is_autosave || $is_revision || ! $is_valid_nonce ) {

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return;

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}

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//if there is data to be saved to DB

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// Save data of Custom AMP Editor

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if ( isset( $_POST['ampforwp_custom_content_editor'] ) ) {

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$unsan_ampforwp_custom_content_editor = htmlentities($_POST[ 'ampforwp_custom_content_editor' ]);

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$ampforwp_custom_content_editor = sanitize_post( $unsan_ampforwp_custom_content_editor );

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update_post_meta($post_id, 'ampforwp_custom_content_editor', $ampforwp_custom_content_editor );

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}

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// Save data of Custom AMP Editor CheckBox

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if ( isset( $_POST['ampforwp_custom_content_editor'] ) ) {

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$ampforwp_custom_editor_checkbox = null;

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if ( isset($_POST['ampforwp_custom_content_editor_checkbox']) ) {

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$ampforwp_custom_editor_checkbox = sanitize_text_field($_POST[ 'ampforwp_custom_content_editor_checkbox' ]);

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}

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update_post_meta($post_id, 'ampforwp_custom_content_editor_checkbox', $ampforwp_custom_editor_checkbox );

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}

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// Save data of Sidebar Select

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if ( isset( $_POST['ampforwp_custom_sidebar_select'] ) ) {

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$ampforwp_custom_sidebar_select = sanitize_text_field($_POST['ampforwp_custom_sidebar_select'] );

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update_post_meta($post_id, 'ampforwp_custom_sidebar_select', $ampforwp_custom_sidebar_select );

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}

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}

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add_action ( 'save_post' , 'amp_content_editor_meta_save' );

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//Add Button

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add_action('admin_head', 'ampforwp_add_my_tc_button');

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function ampforwp_add_my_tc_button() {

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global $typenow;

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// check user permissions

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if ( ! current_user_can('edit_posts') && ! current_user_can('edit_pages') ) {

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return;

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}

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// verify the post type

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$posts = array();

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$post_types = ampforwp_get_all_post_types();

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if ( $post_types ) {

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foreach ( $post_types as $post_type ) {

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$posts[] = $post_type;

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}

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}

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if ( ! in_array( $typenow, $posts ) )

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return;

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// check if WYSIWYG is enabled

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if ( get_user_option('rich_editing') == 'true') {

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add_filter('mce_buttons', 'ampforwp_register_my_tc_button');

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add_filter("mce_external_plugins", "ampforwp_add_tinymce_plugin");

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}

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}

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//Load the js file

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function ampforwp_add_tinymce_plugin( $plugin_array ) {

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$plugin_array['ampforwp_tc_button'] = plugins_url( '/custom-amp-content-button.js', __FILE__ ); // CHANGE THE BUTTON SCRIPT HERE

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return $plugin_array;

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}

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//Register the Button

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function ampforwp_register_my_tc_button( $buttons ) {

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array_push($buttons, "|", "ampforwp_tc_button");

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return $buttons;

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}

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//Style to hide Button in the main Editor

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add_action('admin_head', function( ) { ?>

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<style type="text/css">

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#wp-content-editor-container .mce-container .mce-ampforwp-copy-content-button{

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display: none;

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}

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.dashicons-clipboard:before{

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font: 400 18px/1.25 dashicons;

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}

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.mce-ampforwp-copy-content-button .mce-txt{

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margin-left: 5px;

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}

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</style>

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<?php });

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