Using WordPress ‘get_editable_authors’ PHP filter

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The get_editable_authors WordPress PHP filter allows you to modify the list of authors who have permission to edit posts.

Usage

add_filter( 'get_editable_authors', 'your_function_name', 10, 1 );

function your_function_name( $authors ) {
    // your custom code here
    return $authors;
}

Parameters

  • $authors (array|false) – List of editable authors. Returns false if there are no editable users.

More information

See WordPress Developer Resources: get_editable_authors

Examples

Limit authors based on user role

Only allow authors with the “editor” role to edit posts.

add_filter( 'get_editable_authors', 'limit_authors_by_role', 10, 1 );

function limit_authors_by_role( $authors ) {
    foreach ( $authors as $key => $author ) {
        if ( !in_array( 'editor', $author->roles ) ) {
            unset( $authors[ $key ] );
        }
    }
    return $authors;
}

Exclude specific authors

Exclude specific authors from the list of editable authors by their user IDs.

add_filter( 'get_editable_authors', 'exclude_specific_authors', 10, 1 );

function exclude_specific_authors( $authors ) {
    $exclude_ids = array( 3, 5, 7 ); // User IDs to exclude

    foreach ( $authors as $key => $author ) {
        if ( in_array( $author->ID, $exclude_ids ) ) {
            unset( $authors[ $key ] );
        }
    }
    return $authors;
}

Add custom authors

Add custom authors to the list of editable authors.

add_filter( 'get_editable_authors', 'add_custom_authors', 10, 1 );

function add_custom_authors( $authors ) {
    $custom_authors = array( 9, 11, 13 ); // User IDs of custom authors

    foreach ( $custom_authors as $user_id ) {
        $user = get_userdata( $user_id );
        if ( $user ) {
            $authors[] = $user;
        }
    }
    return $authors;
}

Limit authors based on post count

Only allow authors who have written at least 5 posts to edit posts.

add_filter( 'get_editable_authors', 'limit_authors_by_post_count', 10, 1 );

function limit_authors_by_post_count( $authors ) {
    foreach ( $authors as $key => $author ) {
        if ( count_user_posts( $author->ID ) < 5 ) {
            unset( $authors[ $key ] );
        }
    }
    return $authors;
}

Limit authors based on registration date

Only allow authors who registered more than 30 days ago to edit posts.

add_filter( 'get_editable_authors', 'limit_authors_by_registration_date', 10, 1 );

function limit_authors_by_registration_date( $authors ) {
    $date_limit = strtotime( '-30 days' );

    foreach ( $authors as $key => $author ) {
        if ( strtotime( $author->user_registered ) > $date_limit ) {
            unset( $authors[ $key ] );
        }
    }
    return $authors;
}