wp_authenticate_spam_check( WP_User|WP_Error|null $user )

For Multisite blogs, check if the authenticated user has been marked as a spammer, or if the user’s primary blog has been marked as spam.

Description Description

Parameters Parameters


(WP_User|WP_Error|null) (Required) WP_User or WP_Error object from a previous callback. Default null.

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Return Return

(WP_User|WP_Error) WP_User on success, WP_Error if the user is considered a spammer.

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Source Source

File: wp-includes/user.php

function wp_authenticate_spam_check( $user ) {
	if ( $user instanceof WP_User && is_multisite() ) {
		 * Filters whether the user has been marked as a spammer.
		 * @since 3.7.0
		 * @param bool    $spammed Whether the user is considered a spammer.
		 * @param WP_User $user    User to check against.
		$spammed = apply_filters( 'check_is_user_spammed', is_user_spammy( $user ), $user );

		if ( $spammed ) {
			return new WP_Error( 'spammer_account', __( '<strong>ERROR</strong>: Your account has been marked as a spammer.' ) );
	return $user;

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Changelog Changelog

Version Description
3.7.0 Introduced.

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