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function wp_ajax_delete_comment() {
	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;

	$comment = get_comment( $id );

	if ( ! $comment ) {
		wp_die( time() );
	}

	if ( ! current_user_can( 'edit_comment', $comment->comment_ID ) ) {
		wp_die( -1 );
	}

	check_ajax_referer( "delete-comment_$id" );
	$status = wp_get_comment_status( $comment );
	$delta  = -1;

	if ( isset( $_POST['trash'] ) && '1' === $_POST['trash'] ) {
		if ( 'trash' === $status ) {
			wp_die( time() );
		}

		$r = wp_trash_comment( $comment );
	} elseif ( isset( $_POST['untrash'] ) && '1' === $_POST['untrash'] ) {
		if ( 'trash' !== $status ) {
			wp_die( time() );
		}

		$r = wp_untrash_comment( $comment );

		// Undo trash, not in Trash.
		if ( ! isset( $_POST['comment_status'] ) || 'trash' !== $_POST['comment_status'] ) {
			$delta = 1;
		}
	} elseif ( isset( $_POST['spam'] ) && '1' === $_POST['spam'] ) {
		if ( 'spam' === $status ) {
			wp_die( time() );
		}

		$r = wp_spam_comment( $comment );
	} elseif ( isset( $_POST['unspam'] ) && '1' === $_POST['unspam'] ) {
		if ( 'spam' !== $status ) {
			wp_die( time() );
		}

		$r = wp_unspam_comment( $comment );

		// Undo spam, not in spam.
		if ( ! isset( $_POST['comment_status'] ) || 'spam' !== $_POST['comment_status'] ) {
			$delta = 1;
		}
	} elseif ( isset( $_POST['delete'] ) && '1' === $_POST['delete'] ) {
		$r = wp_delete_comment( $comment );
	} else {
		wp_die( -1 );
	}

	if ( $r ) {
		// Decide if we need to send back '1' or a more complicated response including page links and comment counts.
		_wp_ajax_delete_comment_response( $comment->comment_ID, $delta );
	}

	wp_die( 0 );
}