' . __( 'Click the image to edit or update' ) . '
';
$content .= '
post_type )->public ) {
if ( 'publish' == $post->post_status || $user->ID != $post->post_author ) {
// Latest content is in autosave
$nonce = wp_create_nonce( 'post_preview_' . $post->ID );
$query_args['preview_id'] = $post->ID;
$query_args['preview_nonce'] = $nonce;
}
}
$preview_link = get_preview_post_link( $post->ID, $query_args );
/**
* Filter whether to allow the post lock to be overridden.
*
* Returning a falsey value to the filter will disable the ability
* to override the post lock.
*
* @since 3.6.0
*
* @param bool $override Whether to allow overriding post locks. Default true.
* @param WP_Post $post Post object.
* @param WP_User $user User object.
*/
$override = apply_filters( 'override_post_lock', true, $post, $user );
$tab_last = $override ? '' : ' wp-tab-last';
?>
ID, 64 ); ?>
display_name ) );
?>
ID;
$new_autosave['post_author'] = $post_author;
// If the new autosave has the same content as the post, delete the autosave.
$post = get_post( $post_id );
$autosave_is_different = false;
foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields() ) ) as $field ) {
if ( normalize_whitespace( $new_autosave[ $field ] ) != normalize_whitespace( $post->$field ) ) {
$autosave_is_different = true;
break;
}
}
if ( ! $autosave_is_different ) {
wp_delete_post_revision( $old_autosave->ID );
return 0;
}
/**
* Fires before an autosave is stored.
*
* @since 4.1.0
*
* @param array $new_autosave Post array - the autosave that is about to be saved.
*/
do_action( 'wp_creating_autosave', $new_autosave );
return wp_update_post( $new_autosave );
}
// _wp_put_post_revision() expects unescaped.
$post_data = wp_unslash( $post_data );
// Otherwise create the new autosave as a special post revision
return _wp_put_post_revision( $post_data, true );
}
/**
* Save draft or manually autosave for showing preview.
*
* @package WordPress
* @since 2.7.0
*
* @return str URL to redirect to show the preview
*/
function post_preview() {
$post_ID = (int) $_POST['post_ID'];
$_POST['ID'] = $post_ID;
if ( ! $post = get_post( $post_ID ) ) {
wp_die( __( 'You are not allowed to edit this post.' ) );
}
if ( ! current_user_can( 'edit_post', $post->ID ) ) {
wp_die( __( 'You are not allowed to edit this post.' ) );
}
$is_autosave = false;
if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'draft' == $post->post_status || 'auto-draft' == $post->post_status ) ) {
$saved_post_id = edit_post();
} else {
$is_autosave = true;
if ( isset( $_POST['post_status'] ) && 'auto-draft' == $_POST['post_status'] )
$_POST['post_status'] = 'draft';
$saved_post_id = wp_create_post_autosave( $post->ID );
}
if ( is_wp_error( $saved_post_id ) )
wp_die( $saved_post_id->get_error_message() );
$query_args = array();
if ( $is_autosave && $saved_post_id ) {
$query_args['preview_id'] = $post->ID;
$query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID );
if ( isset( $_POST['post_format'] ) )
$query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] );
}
return get_preview_post_link( $post, $query_args );
}
/**
* Save a post submitted with XHR
*
* Intended for use with heartbeat and autosave.js
*
* @since 3.9.0
*
* @param array $post_data Associative array of the submitted post data.
* @return mixed The value 0 or WP_Error on failure. The saved post ID on success.
* The ID can be the draft post_id or the autosave revision post_id.
*/
function wp_autosave( $post_data ) {
// Back-compat
if ( ! defined( 'DOING_AUTOSAVE' ) )
define( 'DOING_AUTOSAVE', true );
$post_id = (int) $post_data['post_id'];
$post_data['ID'] = $post_data['post_ID'] = $post_id;
if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) {
return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) );
}
$post = get_post( $post_id );
if ( ! current_user_can( 'edit_post', $post->ID ) ) {
return new WP_Error( 'edit_posts', __( 'You are not allowed to edit this item.' ) );
}
if ( 'auto-draft' == $post->post_status )
$post_data['post_status'] = 'draft';
if ( $post_data['post_type'] != 'page' && ! empty( $post_data['catslist'] ) )
$post_data['post_category'] = explode( ',', $post_data['catslist'] );
if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() == $post->post_author && ( 'auto-draft' == $post->post_status || 'draft' == $post->post_status ) ) {
// Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked
return edit_post( wp_slash( $post_data ) );
} else {
// Non drafts or other users drafts are not overwritten. The autosave is stored in a special post revision for each user.
return wp_create_post_autosave( wp_slash( $post_data ) );
}
}
/**
* Redirect to previous page.
*
* @param int $post_id Optional. Post ID.
*/
function redirect_post($post_id = '') {
if ( isset($_POST['save']) || isset($_POST['publish']) ) {
$status = get_post_status( $post_id );
if ( isset( $_POST['publish'] ) ) {
switch ( $status ) {
case 'pending':
$message = 8;
break;
case 'future':
$message = 9;
break;
default:
$message = 6;
}
} else {
$message = 'draft' == $status ? 10 : 1;
}
$location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) );
} elseif ( isset($_POST['addmeta']) && $_POST['addmeta'] ) {
$location = add_query_arg( 'message', 2, wp_get_referer() );
$location = explode('#', $location);
$location = $location[0] . '#postcustom';
} elseif ( isset($_POST['deletemeta']) && $_POST['deletemeta'] ) {
$location = add_query_arg( 'message', 3, wp_get_referer() );
$location = explode('#', $location);
$location = $location[0] . '#postcustom';
} else {
$location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) );
}
/**
* Filter the post redirect destination URL.
*
* @since 2.9.0
*
* @param string $location The destination URL.
* @param int $post_id The post ID.
*/
wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) );
exit;
}
 ); ?>){kind=small}