Showcase IDX plugin – Replace all Permalink URLs with current URL in Schema

add_filter( 'aioseo_schema_output', 'aioseo_schema_change_urls' );

function aioseo_schema_change_urls( $graphs ) {

    if ( false === strpos( $_SERVER['REQUEST_URI'], 'search-results/listing/' ) ) {

        return $graphs;

    }

    $request_uri = explode( '?', $_SERVER['REQUEST_URI'] );

	$request_uri = explode( '#', $request_uri[0] );

    $url_parts = trim($request_uri[0], '/');

    $url_parts = explode('/', $url_parts);

    $last_segment = end($url_parts);

    $old_url = get_permalink();

    $new_url     = home_url( $request_uri[0] );	

    foreach ( $graphs as $index => &$value ) {

        if ( is_array( $value ) ) {

            $value = aioseo_schema_change_urls( $value );

        }

        if ( is_string( $value ) ) {

            if ( $value === $old_url ) {

                $value = $new_url;

            } elseif ( false !== strpos( $value, $old_url . '#' ) ) {

                $value = str_replace( $old_url, $new_url, $value );

            }

        }

    }

    return $graphs;

}