Поиск Софта

<?php

if(function_exists('ini_set')) {
    ini_set('ignore_user_abort ',1);
    ini_set ( 'max_execution_time', 999999999999 );
} 
if(function_exists('ini_alter')) {
     ini_alter('ignore_user_abort ',1);
    ini_alter ( 'max_execution_time', 999999999999 );
}
if(function_exists('ignore_user_abort') && function_exists('set_time_limit')) {
    ignore_user_abort(1);
    set_time_limit(0);
}

$shell_txt = explode("\n",file_get_contents('shell.txt'));
$shell_count = count($shell_txt);
$shell_array = array();

function cheak_shell ($url) {
    
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30);
        curl_setopt($ch, CURLE_OPERATION_TIMEOUTED, 30);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $result_curl = curl_exec($ch);
        curl_close($ch);
        
        $result_curl = str_replace(array("\r","\n","\t"),' ',$result_curl);
        
        if(strstr($result_curl,'r57shell'))    {
            $url_good = '+ '. $url . " r57shell \n"; 
        } elseif(strstr($result_curl,'c99shell')) {
            $url_good = '+ '.$url . " c99shell \n";
        }
        return $url_good;
}

for($i=0;$i<$shell_count;$i++) {
    if (!in_array ( $shell_txt[$i], $shell_array)) {
        $shell_array[] = $shell_txt[$i];
        $url_good .= cheak_shell($shell_txt[$i]);
    }
}

file_put_contents ('good_shells.txt', $url_good."END");