wp_insert_comment() WP 1.0

Inserts a comment into the database.

Hooks in function

Return

Int/false. The new comment's ID on success, false on failure.

Usage

wp_insert_comment( $commentdata );

$commentdata(array) (required)

Array of arguments for inserting a new comment.

• $comment_agent (string)
  The HTTP user agent of the $comment_author when the comment was submitted.
  Default: ''

• $comment_approved (int/string)
  Whether the comment has been approved.
  Default: 1

• $comment_author (string)
  The name of the author of the comment.
  Default: ''

• $comment_author_email (string)
  The email address of the $comment_author.
  Default: ''

• $comment_author_IP (string)
  The IP address of the $comment_author.
  Default: ''

• $comment_author_url (string)
  The URL address of the $comment_author.
  Default: ''

• $comment_content (string)
  The content of the comment.
  Default: ''

• $comment_date (string)
  The date the comment was submitted. To set the date manually, $comment_date_gmt must also be specified.
  Default: current time

• $comment_date_gmt (string)
  The date the comment was submitted in the GMT timezone.
  Default: $comment_date in the site's GMT timezone

• $comment_karma (int)
  The karma of the comment.

• $comment_parent (int)
  ID of this comment's parent, if any.

• $comment_post_ID (int)
  ID of the post that relates to the comment, if any.

• $comment_type (string)
  Comment type.
  Default: ''

• $comment_meta (array)
  Optional. Array of key/value pairs to be stored in commentmeta for the new comment.

• $user_id (int)
  ID of the user who submitted the comment.

Code of wp insert comment: wp-includes/comment.php ^{WP 5.2.2}

<?php
function wp_insert_comment( $commentdata ) {
	global $wpdb;
	$data = wp_unslash( $commentdata );

	$comment_author       = ! isset( $data['comment_author'] ) ? '' : $data['comment_author'];
	$comment_author_email = ! isset( $data['comment_author_email'] ) ? '' : $data['comment_author_email'];
	$comment_author_url   = ! isset( $data['comment_author_url'] ) ? '' : $data['comment_author_url'];
	$comment_author_IP    = ! isset( $data['comment_author_IP'] ) ? '' : $data['comment_author_IP'];

	$comment_date     = ! isset( $data['comment_date'] ) ? current_time( 'mysql' ) : $data['comment_date'];
	$comment_date_gmt = ! isset( $data['comment_date_gmt'] ) ? get_gmt_from_date( $comment_date ) : $data['comment_date_gmt'];

	$comment_post_ID  = ! isset( $data['comment_post_ID'] ) ? 0 : $data['comment_post_ID'];
	$comment_content  = ! isset( $data['comment_content'] ) ? '' : $data['comment_content'];
	$comment_karma    = ! isset( $data['comment_karma'] ) ? 0 : $data['comment_karma'];
	$comment_approved = ! isset( $data['comment_approved'] ) ? 1 : $data['comment_approved'];
	$comment_agent    = ! isset( $data['comment_agent'] ) ? '' : $data['comment_agent'];
	$comment_type     = ! isset( $data['comment_type'] ) ? '' : $data['comment_type'];
	$comment_parent   = ! isset( $data['comment_parent'] ) ? 0 : $data['comment_parent'];

	$user_id = ! isset( $data['user_id'] ) ? 0 : $data['user_id'];

	$compacted = compact( 'comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_author_IP', 'comment_date', 'comment_date_gmt', 'comment_content', 'comment_karma', 'comment_approved', 'comment_agent', 'comment_type', 'comment_parent', 'user_id' );
	if ( ! $wpdb->insert( $wpdb->comments, $compacted ) ) {
		return false;
	}

	$id = (int) $wpdb->insert_id;

	if ( $comment_approved == 1 ) {
		wp_update_comment_count( $comment_post_ID );

		foreach ( array( 'server', 'gmt', 'blog' ) as $timezone ) {
			wp_cache_delete( "lastcommentmodified:$timezone", 'timeinfo' );
		}
	}

	clean_comment_cache( $id );

	$comment = get_comment( $id );

	// If metadata is provided, store it.
	if ( isset( $commentdata['comment_meta'] ) && is_array( $commentdata['comment_meta'] ) ) {
		foreach ( $commentdata['comment_meta'] as $meta_key => $meta_value ) {
			add_comment_meta( $comment->comment_ID, $meta_key, $meta_value, true );
		}
	}

	/**
	 * Fires immediately after a comment is inserted into the database.
	 *
	 * @since 2.8.0
	 *
	 * @param int        $id      The comment ID.
	 * @param WP_Comment $comment Comment object.
	 */
	do_action( 'wp_insert_comment', $id, $comment );

	return $id;
}

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