<?php

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/**

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* WordPress Comment Administration API.

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*

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* @package WordPress

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* @subpackage Administration

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* @since 2.3.0

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*/

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/**

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* Determine if a comment exists based on author and date.

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*

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* For best performance, use `$timezone = 'gmt'`, which queries a field that is properly indexed. The default value

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* for `$timezone` is 'blog' for legacy reasons.

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*

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* @since 2.0.0

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* @since 4.4.0 Added the `$timezone` parameter.

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*

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* @global wpdb $wpdb WordPress database abstraction object.

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*

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* @param string $comment_author Author of the comment.

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* @param string $comment_date Date of the comment.

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* @param string $timezone Timezone. Accepts 'blog' or 'gmt'. Default 'blog'.

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* @return string|null Comment post ID on success.

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*/

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function comment_exists( $comment_author, $comment_date, $timezone = 'blog' ) {

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global $wpdb;

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$date_field = 'comment_date';

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if ( 'gmt' === $timezone ) {

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$date_field = 'comment_date_gmt';

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}

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return $wpdb->get_var(

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$wpdb->prepare(

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"SELECT comment_post_ID FROM $wpdb->comments

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WHERE comment_author = %s AND $date_field = %s",

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stripslashes( $comment_author ),

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stripslashes( $comment_date )

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)

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);

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}

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/**

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* Update a comment with values provided in $_POST.

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*

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* @since 2.0.0

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* @since 5.5.0 A return value was added.

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*

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* @return int|WP_Error The value 1 if the comment was updated, 0 if not updated.

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* A WP_Error object on failure.

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*/

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function edit_comment() {

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if ( ! current_user_can( 'edit_comment', (int) $_POST['comment_ID'] ) ) {

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wp_die( __( 'Sorry, you are not allowed to edit comments on this post.' ) );

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}

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

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$_POST['comment_author'] = $_POST['newcomment_author'];

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}

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

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$_POST['comment_author_email'] = $_POST['newcomment_author_email'];

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}

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

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$_POST['comment_author_url'] = $_POST['newcomment_author_url'];

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}

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

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$_POST['comment_approved'] = $_POST['comment_status'];

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}

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

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$_POST['comment_content'] = $_POST['content'];

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}

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

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$_POST['comment_ID'] = (int) $_POST['comment_ID'];

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}

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foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) {

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if ( ! empty( $_POST[ 'hidden_' . $timeunit ] ) && $_POST[ 'hidden_' . $timeunit ] != $_POST[ $timeunit ] ) {

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$_POST['edit_date'] = '1';

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break;

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}

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}

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if ( ! empty( $_POST['edit_date'] ) ) {

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$aa = $_POST['aa'];

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$mm = $_POST['mm'];

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$jj = $_POST['jj'];

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$hh = $_POST['hh'];

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$mn = $_POST['mn'];

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$ss = $_POST['ss'];

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$jj = ( $jj > 31 ) ? 31 : $jj;

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$hh = ( $hh > 23 ) ? $hh - 24 : $hh;

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$mn = ( $mn > 59 ) ? $mn - 60 : $mn;

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$ss = ( $ss > 59 ) ? $ss - 60 : $ss;

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$_POST['comment_date'] = "$aa-$mm-$jj $hh:$mn:$ss";

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}

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return wp_update_comment( $_POST, true );

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}

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/**

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* Returns a WP_Comment object based on comment ID.

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*

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* @since 2.0.0

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*

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* @param int $id ID of comment to retrieve.

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* @return WP_Comment|false Comment if found. False on failure.

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*/

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function get_comment_to_edit( $id ) {

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$comment = get_comment( $id );

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if ( ! $comment ) {

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return false;

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}

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$comment->comment_ID = (int) $comment->comment_ID;

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$comment->comment_post_ID = (int) $comment->comment_post_ID;

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$comment->comment_content = format_to_edit( $comment->comment_content );

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/**

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* Filters the comment content before editing.

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*

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* @since 2.0.0

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*

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* @param string $comment_content Comment content.

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*/

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$comment->comment_content = apply_filters( 'comment_edit_pre', $comment->comment_content );

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$comment->comment_author = format_to_edit( $comment->comment_author );

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$comment->comment_author_email = format_to_edit( $comment->comment_author_email );

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$comment->comment_author_url = format_to_edit( $comment->comment_author_url );

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$comment->comment_author_url = esc_url( $comment->comment_author_url );

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return $comment;

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}

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/**

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* Get the number of pending comments on a post or posts

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*

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* @since 2.3.0

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*

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* @global wpdb $wpdb WordPress database abstraction object.

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*

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* @param int|int[] $post_id Either a single Post ID or an array of Post IDs

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* @return int|int[] Either a single Posts pending comments as an int or an array of ints keyed on the Post IDs

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*/

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function get_pending_comments_num( $post_id ) {

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global $wpdb;

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$single = false;

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if ( ! is_array( $post_id ) ) {

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$post_id_array = (array) $post_id;

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$single = true;

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} else {

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$post_id_array = $post_id;

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}

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$post_id_array = array_map( 'intval', $post_id_array );

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$post_id_in = "'" . implode( "', '", $post_id_array ) . "'";

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$pending = $wpdb->get_results( "SELECT comment_post_ID, COUNT(comment_ID) as num_comments FROM $wpdb->comments WHERE comment_post_ID IN ( $post_id_in ) AND comment_approved = '0' GROUP BY comment_post_ID", ARRAY_A );

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if ( $single ) {

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if ( empty( $pending ) ) {

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return 0;

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} else {

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return absint( $pending[0]['num_comments'] );

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}

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}

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$pending_keyed = array();

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// Default to zero pending for all posts in request.

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foreach ( $post_id_array as $id ) {

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$pending_keyed[ $id ] = 0;

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}

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if ( ! empty( $pending ) ) {

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foreach ( $pending as $pend ) {

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$pending_keyed[ $pend['comment_post_ID'] ] = absint( $pend['num_comments'] );

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}

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}

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return $pending_keyed;

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}

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/**

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* Adds avatars to relevant places in admin.

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*

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* @since 2.5.0

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*

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* @param string $name User name.

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* @return string Avatar with the user name.

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*/

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function floated_admin_avatar( $name ) {

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$avatar = get_avatar( get_comment(), 32, 'mystery' );

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return "$avatar $name";

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}

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/**

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* @since 2.7.0

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*/

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function enqueue_comment_hotkeys_js() {

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

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wp_enqueue_script( 'jquery-table-hotkeys' );

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}

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}

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/**

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* Display error message at bottom of comments.

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*

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* @param string $msg Error Message. Assumed to contain HTML and be sanitized.

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*/

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function comment_footer_die( $msg ) {

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echo "<div class='wrap'><p>$msg</p></div>";

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require_once ABSPATH . 'wp-admin/admin-footer.php';

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die;

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}

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