Posts Per Page on Portfolio Taxonomies

[devinsays]

function wpt_portfolio_custom_posts_per_page( $query ) {
global $wp_the_query;
if ( $wp_the_query === $query && !is_admin() && is_post_type_archive( 'portfolio' ) ) {
$query->set( 'posts_per_page', '9' );
}
}

[devinsays]

/**
 * Sets posts displayed per portfolio page to 9
 */
function wpt_portfolio_custom_posts_per_page( $query ) {
    global $wp_the_query;
    if ( $wp_the_query === $query && !is_admin() ) {
        if ( is_post_type_archive( 'portfolio' ) || is_tax( 'portfolio_tag' ) ||  is_tax( 'portfolio_category' ) )
            $query->set( 'posts_per_page', '9' );
    }
}