<?php

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/**

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* WordPress Post Administration API.

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*

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* @package WordPress

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* @subpackage Administration

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*/

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/**

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* Renames `$_POST` data from form names to DB post columns.

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*

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* Manipulates `$_POST` directly.

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*

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* @since 2.6.0

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*

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* @param bool $update Whether the post already exists.

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* @param array|null $post_data Optional. The array of post data to process.

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* Defaults to the `$_POST` superglobal.

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* @return array|WP_Error Array of post data on success, WP_Error on failure.

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*/

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function _wp_translate_postdata( $update = false, $post_data = null ) {

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if ( empty( $post_data ) ) {

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$post_data = &$_POST;

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}

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if ( $update ) {

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$post_data['ID'] = (int) $post_data['post_ID'];

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}

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$ptype = get_post_type_object( $post_data['post_type'] );

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if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) {

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if ( 'page' === $post_data['post_type'] ) {

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return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );

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} else {

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return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );

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}

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} elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) {

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if ( 'page' === $post_data['post_type'] ) {

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return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );

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} else {

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return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );

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}

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}

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

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$post_data['post_content'] = $post_data['content'];

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}

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if ( isset( $post_data['excerpt'] ) ) {

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$post_data['post_excerpt'] = $post_data['excerpt'];

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}

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if ( isset( $post_data['parent_id'] ) ) {

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$post_data['post_parent'] = (int) $post_data['parent_id'];

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}

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if ( isset( $post_data['trackback_url'] ) ) {

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$post_data['to_ping'] = $post_data['trackback_url'];

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}

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$post_data['user_ID'] = get_current_user_id();

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if ( ! empty( $post_data['post_author_override'] ) ) {

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$post_data['post_author'] = (int) $post_data['post_author_override'];

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} else {

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if ( ! empty( $post_data['post_author'] ) ) {

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$post_data['post_author'] = (int) $post_data['post_author'];

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} else {

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$post_data['post_author'] = (int) $post_data['user_ID'];

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}

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}

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if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] !== $post_data['user_ID'] )

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&& ! current_user_can( $ptype->cap->edit_others_posts ) ) {

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if ( $update ) {

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if ( 'page' === $post_data['post_type'] ) {

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return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );

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} else {

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return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );

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}

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} else {

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if ( 'page' === $post_data['post_type'] ) {

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return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );

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} else {

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return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );

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}

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}

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}

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if ( ! empty( $post_data['post_status'] ) ) {

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$post_data['post_status'] = sanitize_key( $post_data['post_status'] );

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// No longer an auto-draft.

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if ( 'auto-draft' === $post_data['post_status'] ) {

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$post_data['post_status'] = 'draft';

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}

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if ( ! get_post_status_object( $post_data['post_status'] ) ) {

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unset( $post_data['post_status'] );

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}

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}

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// What to do based on which button they pressed.

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if ( isset( $post_data['saveasdraft'] ) && '' !== $post_data['saveasdraft'] ) {

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$post_data['post_status'] = 'draft';

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}

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if ( isset( $post_data['saveasprivate'] ) && '' !== $post_data['saveasprivate'] ) {

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$post_data['post_status'] = 'private';

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}

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if ( isset( $post_data['publish'] ) && ( '' !== $post_data['publish'] )

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&& ( ! isset( $post_data['post_status'] ) || 'private' !== $post_data['post_status'] )

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) {

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$post_data['post_status'] = 'publish';

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}

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if ( isset( $post_data['advanced'] ) && '' !== $post_data['advanced'] ) {

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$post_data['post_status'] = 'draft';

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}

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if ( isset( $post_data['pending'] ) && '' !== $post_data['pending'] ) {

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$post_data['post_status'] = 'pending';

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}

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if ( isset( $post_data['ID'] ) ) {

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$post_id = $post_data['ID'];

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} else {

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$post_id = false;

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}

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$previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false;

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if ( isset( $post_data['post_status'] ) && 'private' === $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) {

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$post_data['post_status'] = $previous_status ? $previous_status : 'pending';

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}

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$published_statuses = array( 'publish', 'future' );

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/*

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* Posts 'submitted for approval' are submitted to $_POST the same as if they were being published.

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* Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts.

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*/

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if ( isset( $post_data['post_status'] )

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&& ( in_array( $post_data['post_status'], $published_statuses, true )

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&& ! current_user_can( $ptype->cap->publish_posts ) )

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) {

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if ( ! in_array( $previous_status, $published_statuses, true ) || ! current_user_can( 'edit_post', $post_id ) ) {

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$post_data['post_status'] = 'pending';

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}

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}

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if ( ! isset( $post_data['post_status'] ) ) {

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$post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status;

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}

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if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) {

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unset( $post_data['post_password'] );

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}

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if ( ! isset( $post_data['comment_status'] ) ) {

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$post_data['comment_status'] = 'closed';

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}

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if ( ! isset( $post_data['ping_status'] ) ) {

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$post_data['ping_status'] = 'closed';

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}

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

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

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

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break;

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}

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}

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

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$aa = $post_data['aa'];

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$mm = $post_data['mm'];

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$jj = $post_data['jj'];

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$hh = $post_data['hh'];

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$mn = $post_data['mn'];

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$ss = $post_data['ss'];

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$aa = ( $aa <= 0 ) ? gmdate( 'Y' ) : $aa;

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$mm = ( $mm <= 0 ) ? gmdate( 'n' ) : $mm;

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

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$jj = ( $jj <= 0 ) ? gmdate( 'j' ) : $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_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss );

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$valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );

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if ( ! $valid_date ) {

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return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );

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}

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/*

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* Only assign a post date if the user has explicitly set a new value.

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* See #59125 and #19907.

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*/

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$previous_date = $post_id ? get_post_field( 'post_date', $post_id ) : false;

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if ( $previous_date && $previous_date !== $post_data['post_date'] ) {

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$post_data['edit_date'] = true;

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$post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );

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} else {

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$post_data['edit_date'] = false;

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unset( $post_data['post_date'] );

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unset( $post_data['post_date_gmt'] );

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}

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}

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if ( isset( $post_data['post_category'] ) ) {

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$category_object = get_taxonomy( 'category' );

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if ( ! current_user_can( $category_object->cap->assign_terms ) ) {

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unset( $post_data['post_category'] );

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}

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}

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return $post_data;

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}

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/**

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* Returns only allowed post data fields.

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*

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* @since 5.0.1

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*

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* @param array|WP_Error|null $post_data The array of post data to process, or an error object.

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* Defaults to the `$_POST` superglobal.

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* @return array|WP_Error Array of post data on success, WP_Error on failure.

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*/

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function _wp_get_allowed_postdata( $post_data = null ) {

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if ( empty( $post_data ) ) {

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$post_data = $_POST;

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}

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// Pass through errors.

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if ( is_wp_error( $post_data ) ) {

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return $post_data;

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}

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return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) );

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}

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/**

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* Updates an existing post with values provided in `$_POST`.

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*

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* If post data is passed as an argument, it is treated as an array of data

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* keyed appropriately for turning into a post object.

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*

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* If post data is not passed, the `$_POST` global variable is used instead.

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*

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* @since 1.5.0

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*

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* @global wpdb $wpdb WordPress database abstraction object.

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*

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* @param array|null $post_data Optional. The array of post data to process.

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* Defaults to the `$_POST` superglobal.

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* @return int Post ID.

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*/

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function edit_post( $post_data = null ) {

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global $wpdb;

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if ( empty( $post_data ) ) {

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$post_data = &$_POST;

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}

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// Clear out any data in internal vars.

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unset( $post_data['filter'] );

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$post_id = (int) $post_data['post_ID'];

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$post = get_post( $post_id );

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$post_data['post_type'] = $post->post_type;

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$post_data['post_mime_type'] = $post->post_mime_type;

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if ( ! empty( $post_data['post_status'] ) ) {

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$post_data['post_status'] = sanitize_key( $post_data['post_status'] );

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if ( 'inherit' === $post_data['post_status'] ) {

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unset( $post_data['post_status'] );

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}

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}

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$ptype = get_post_type_object( $post_data['post_type'] );

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if ( ! current_user_can( 'edit_post', $post_id ) ) {

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if ( 'page' === $post_data['post_type'] ) {

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

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} else {

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

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}

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}

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if ( post_type_supports( $ptype->name, 'revisions' ) ) {

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$revisions = wp_get_post_revisions(

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$post_id,

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array(

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'order' => 'ASC',

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'posts_per_page' => 1,

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)

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);

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$revision = current( $revisions );

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// Check if the revisions have been upgraded.

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if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) {

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_wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_id ) );

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}

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}

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if ( isset( $post_data['visibility'] ) ) {

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switch ( $post_data['visibility'] ) {

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case 'public':

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$post_data['post_password'] = '';

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break;

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case 'password':

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unset( $post_data['sticky'] );

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break;

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case 'private':

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$post_data['post_status'] = 'private';

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$post_data['post_password'] = '';

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unset( $post_data['sticky'] );

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break;

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}

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}

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$post_data = _wp_translate_postdata( true, $post_data );

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if ( is_wp_error( $post_data ) ) {

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wp_die( $post_data->get_error_message() );

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}

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$translated = _wp_get_allowed_postdata( $post_data );

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// Post formats.

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if ( isset( $post_data['post_format'] ) ) {

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set_post_format( $post_id, $post_data['post_format'] );

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}

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$format_meta_urls = array( 'url', 'link_url', 'quote_source_url' );

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foreach ( $format_meta_urls as $format_meta_url ) {

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$keyed = '_format_' . $format_meta_url;

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if ( isset( $post_data[ $keyed ] ) ) {

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update_post_meta( $post_id, $keyed, wp_slash( sanitize_url( wp_unslash( $post_data[ $keyed ] ) ) ) );

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}

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}

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$format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' );

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foreach ( $format_keys as $key ) {

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$keyed = '_format_' . $key;

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if ( isset( $post_data[ $keyed ] ) ) {

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if ( current_user_can( 'unfiltered_html' ) ) {

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update_post_meta( $post_id, $keyed, $post_data[ $keyed ] );

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} else {

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update_post_meta( $post_id, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) );

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}

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}

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}

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if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) {

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$id3data = wp_get_attachment_metadata( $post_id );

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if ( ! is_array( $id3data ) ) {

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$id3data = array();

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}

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foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) {

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if ( isset( $post_data[ 'id3_' . $key ] ) ) {

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$id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) );

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}

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}

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wp_update_attachment_metadata( $post_id, $id3data );

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}

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// Meta stuff.

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if ( isset( $post_data['meta'] ) && $post_data['meta'] ) {

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foreach ( $post_data['meta'] as $key => $value ) {

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$meta = get_post_meta_by_id( $key );

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if ( ! $meta ) {

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continue;

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}

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if ( (int) $meta->post_id !== $post_id ) {

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continue;

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}

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if ( is_protected_meta( $meta->meta_key, 'post' )

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|| ! current_user_can( 'edit_post_meta', $post_id, $meta->meta_key )

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) {

[383] Fix | Delete

continue;

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}

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if ( is_protected_meta( $value['key'], 'post' )

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|| ! current_user_can( 'edit_post_meta', $post_id, $value['key'] )

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) {

[389] Fix | Delete

continue;

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}

[391] Fix | Delete

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update_meta( $key, $value['key'], $value['value'] );

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}

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}

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if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) {

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foreach ( $post_data['deletemeta'] as $key => $value ) {

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$meta = get_post_meta_by_id( $key );

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if ( ! $meta ) {

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continue;

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}

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if ( (int) $meta->post_id !== $post_id ) {

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continue;

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}

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if ( is_protected_meta( $meta->meta_key, 'post' )

[408] Fix | Delete

|| ! current_user_can( 'delete_post_meta', $post_id, $meta->meta_key )

[409] Fix | Delete

) {

[410] Fix | Delete

continue;

[411] Fix | Delete

}

[412] Fix | Delete

[413] Fix | Delete

delete_meta( $key );

[414] Fix | Delete

}

[415] Fix | Delete

}

[416] Fix | Delete

[417] Fix | Delete

// Attachment stuff.

[418] Fix | Delete

if ( 'attachment' === $post_data['post_type'] ) {

[419] Fix | Delete

if ( isset( $post_data['_wp_attachment_image_alt'] ) ) {

[420] Fix | Delete

$image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] );

[421] Fix | Delete

[422] Fix | Delete

if ( get_post_meta( $post_id, '_wp_attachment_image_alt', true ) !== $image_alt ) {

[423] Fix | Delete

$image_alt = wp_strip_all_tags( $image_alt, true );

[424] Fix | Delete

[425] Fix | Delete

// update_post_meta() expects slashed.

[426] Fix | Delete

update_post_meta( $post_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) );

[427] Fix | Delete

}

[428] Fix | Delete

}

[429] Fix | Delete

[430] Fix | Delete

$attachment_data = isset( $post_data['attachments'][ $post_id ] ) ? $post_data['attachments'][ $post_id ] : array();

[431] Fix | Delete

[432] Fix | Delete

/** This filter is documented in wp-admin/includes/media.php */

[433] Fix | Delete

$translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data );

[434] Fix | Delete

}

[435] Fix | Delete

[436] Fix | Delete

// Convert taxonomy input to term IDs, to avoid ambiguity.

[437] Fix | Delete

if ( isset( $post_data['tax_input'] ) ) {

[438] Fix | Delete

foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) {

[439] Fix | Delete

$tax_object = get_taxonomy( $taxonomy );

[440] Fix | Delete

[441] Fix | Delete

if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) {

[442] Fix | Delete

$translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) );

[443] Fix | Delete

}

[444] Fix | Delete

}

[445] Fix | Delete

}

[446] Fix | Delete

[447] Fix | Delete

add_meta( $post_id );

[448] Fix | Delete

[449] Fix | Delete

update_post_meta( $post_id, '_edit_last', get_current_user_id() );

[450] Fix | Delete

[451] Fix | Delete

$success = wp_update_post( $translated );

[452] Fix | Delete

[453] Fix | Delete

// If the save failed, see if we can confidence check the main fields and try again.

[454] Fix | Delete

if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) {

[455] Fix | Delete

$fields = array( 'post_title', 'post_content', 'post_excerpt' );

[456] Fix | Delete

[457] Fix | Delete

foreach ( $fields as $field ) {

[458] Fix | Delete

if ( isset( $translated[ $field ] ) ) {

[459] Fix | Delete

$translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] );

[460] Fix | Delete

}

[461] Fix | Delete

}

[462] Fix | Delete

[463] Fix | Delete

wp_update_post( $translated );

[464] Fix | Delete

}

[465] Fix | Delete

[466] Fix | Delete

// Now that we have an ID we can fix any attachment anchor hrefs.

[467] Fix | Delete

_fix_attachment_links( $post_id );

[468] Fix | Delete

[469] Fix | Delete

wp_set_post_lock( $post_id );

[470] Fix | Delete

[471] Fix | Delete

if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) {

[472] Fix | Delete

if ( ! empty( $post_data['sticky'] ) ) {

[473] Fix | Delete

stick_post( $post_id );

[474] Fix | Delete

} else {

[475] Fix | Delete

unstick_post( $post_id );

[476] Fix | Delete

}

[477] Fix | Delete

}

[478] Fix | Delete

[479] Fix | Delete

return $post_id;

[480] Fix | Delete

}

[481] Fix | Delete

[482] Fix | Delete

/**

[483] Fix | Delete

* Processes the post data for the bulk editing of posts.

[484] Fix | Delete

*

[485] Fix | Delete

* Updates all bulk edited posts/pages, adding (but not removing) tags and

[486] Fix | Delete

* categories. Skips pages when they would be their own parent or child.

[487] Fix | Delete

*

[488] Fix | Delete

* @since 2.7.0

[489] Fix | Delete

*

[490] Fix | Delete

* @global wpdb $wpdb WordPress database abstraction object.

[491] Fix | Delete

*

[492] Fix | Delete

* @param array|null $post_data Optional. The array of post data to process.

[493] Fix | Delete

* Defaults to the `$_POST` superglobal.

[494] Fix | Delete

* @return array {

[495] Fix | Delete

* An array of updated, skipped, and locked post IDs.

[496] Fix | Delete

*

[497] Fix | Delete

* @type int[] $updated An array of updated post IDs.

[498] Fix | Delete

* @type int[] $skipped An array of skipped post IDs.

[499] Fix | Delete