Undefined Variable issue while using Transients

  • Hi,

    This is the code

    if ( ( $popular = get_transient( $gabfire_popular_week ) ) === false ) {
	$popular = stats_get_csv( 'postviews', 'days=7&limit=10' );
	set_transient('popular_week', $popular, 300);
}

    I tried
    if(isset($popular) && is_array($popular) && count($popular) > 0)

    as well as isset and empty functions but nothing helped. I do keep getting Undefined Variable $popular issue?

    Anyone can suggest a way to use that code which would prevent that warning?

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