$__ADS = [ 'TOPPLAY' => 'a', 'BOTPLAY' => 'b', 'RELATE' => 'relate', 'HEADER' => 'c', 'FOOTER' => 'd', ]; if($__ADS['HEADER']) { $html = str_replace('
','
'.$__ADS['HEADER'].'
',$html); } if($__ADS['FOOTER']) { $html = str_replace('