wp_allow_comment
函数
wp_allow_comment ( $commentdata, $wp_error = false )
- 参数
-
-
(array)
$commentdata
Contains information on the comment.- Required: 是
-
(bool)
$wp_error
When true, a disallowed comment will result in the function returning a WP_Error object, rather than executing wp_die(). Default false.- Required: 否
- Default: false
-
(array)
- 返回值
-
- (int|string|WP_Error) Allowed comments return the approval status (0|1|’spam’|’trash’). If `$wp_error` is true, disallowed comments return a WP_Error.
- 定义位置
-
-
wp-includes/comment.php
, line 654
-
wp-includes/comment.php
- 引入
- 2.0.0
- 弃用
- –
Validates whether this comment is allowed to be made.
function wp_allow_comment( $commentdata, $wp_error = false ) { global $wpdb; // Simple duplicate check. // expected_slashed ($comment_post_ID, $comment_author, $comment_author_email, $comment_content) $dupe = $wpdb->prepare( "SELECT comment_ID FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_parent = %s AND comment_approved != 'trash' AND ( comment_author = %s ", wp_unslash( $commentdata['comment_post_ID'] ), wp_unslash( $commentdata['comment_parent'] ), wp_unslash( $commentdata['comment_author'] ) ); if ( $commentdata['comment_author_email'] ) { $dupe .= $wpdb->prepare( 'AND comment_author_email = %s ', wp_unslash( $commentdata['comment_author_email'] ) ); } $dupe .= $wpdb->prepare( ') AND comment_content = %s LIMIT 1', wp_unslash( $commentdata['comment_content'] ) ); $dupe_id = $wpdb->get_var( $dupe ); /** * Filters the ID, if any, of the duplicate comment found when creating a new comment. * * Return an empty value from this filter to allow what WP considers a duplicate comment. * * @since 4.4.0 * * @param int $dupe_id ID of the comment identified as a duplicate. * @param array $commentdata Data for the comment being created. */ $dupe_id = apply_filters( 'duplicate_comment_id', $dupe_id, $commentdata ); if ( $dupe_id ) { /** * Fires immediately after a duplicate comment is detected. * * @since 3.0.0 * * @param array $commentdata Comment data. */ do_action( 'comment_duplicate_trigger', $commentdata ); /** * Filters duplicate comment error message. * * @since 5.2.0 * * @param string $comment_duplicate_message Duplicate comment error message. */ $comment_duplicate_message = apply_filters( 'comment_duplicate_message', __( 'Duplicate comment detected; it looks as though you’ve already said that!' ) ); if ( $wp_error ) { return new WP_Error( 'comment_duplicate', $comment_duplicate_message, 409 ); } else { if ( wp_doing_ajax() ) { die( $comment_duplicate_message ); } wp_die( $comment_duplicate_message, 409 ); } } /** * Fires immediately before a comment is marked approved. * * Allows checking for comment flooding. * * @since 2.3.0 * @since 4.7.0 The `$avoid_die` parameter was added. * @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`. * * @param string $comment_author_ip Comment author's IP address. * @param string $comment_author_email Comment author's email. * @param string $comment_date_gmt GMT date the comment was posted. * @param bool $wp_error Whether to return a WP_Error object instead of executing * wp_die() or die() if a comment flood is occurring. */ do_action( 'check_comment_flood', $commentdata['comment_author_IP'], $commentdata['comment_author_email'], $commentdata['comment_date_gmt'], $wp_error ); /** * Filters whether a comment is part of a comment flood. * * The default check is wp_check_comment_flood(). See check_comment_flood_db(). * * @since 4.7.0 * @since 5.5.0 The `$avoid_die` parameter was renamed to `$wp_error`. * * @param bool $is_flood Is a comment flooding occurring? Default false. * @param string $comment_author_ip Comment author's IP address. * @param string $comment_author_email Comment author's email. * @param string $comment_date_gmt GMT date the comment was posted. * @param bool $wp_error Whether to return a WP_Error object instead of executing * wp_die() or die() if a comment flood is occurring. */ $is_flood = apply_filters( 'wp_is_comment_flood', false, $commentdata['comment_author_IP'], $commentdata['comment_author_email'], $commentdata['comment_date_gmt'], $wp_error ); if ( $is_flood ) { /** This filter is documented in wp-includes/comment-template.php */ $comment_flood_message = apply_filters( 'comment_flood_message', __( 'You are posting comments too quickly. Slow down.' ) ); return new WP_Error( 'comment_flood', $comment_flood_message, 429 ); } if ( ! empty( $commentdata['user_id'] ) ) { $user = get_userdata( $commentdata['user_id'] ); $post_author = $wpdb->get_var( $wpdb->prepare( "SELECT post_author FROM $wpdb->posts WHERE ID = %d LIMIT 1", $commentdata['comment_post_ID'] ) ); } if ( isset( $user ) && ( $commentdata['user_id'] == $post_author || $user->has_cap( 'moderate_comments' ) ) ) { // The author and the admins get respect. $approved = 1; } else { // Everyone else's comments will be checked. if ( check_comment( $commentdata['comment_author'], $commentdata['comment_author_email'], $commentdata['comment_author_url'], $commentdata['comment_content'], $commentdata['comment_author_IP'], $commentdata['comment_agent'], $commentdata['comment_type'] ) ) { $approved = 1; } else { $approved = 0; } if ( wp_check_comment_disallowed_list( $commentdata['comment_author'], $commentdata['comment_author_email'], $commentdata['comment_author_url'], $commentdata['comment_content'], $commentdata['comment_author_IP'], $commentdata['comment_agent'] ) ) { $approved = EMPTY_TRASH_DAYS ? 'trash' : 'spam'; } } /** * Filters a comment's approval status before it is set. * * @since 2.1.0 * @since 4.9.0 Returning a WP_Error value from the filter will short-circuit comment insertion * and allow skipping further processing. * * @param int|string|WP_Error $approved The approval status. Accepts 1, 0, 'spam', 'trash', * or WP_Error. * @param array $commentdata Comment data. */ return apply_filters( 'pre_comment_approved', $approved, $commentdata ); }
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