Wireless Redstone Mariomarco Edition

<?php
/*//////////////////////////////////////////////////////////////////////////
|   Script fully wrote by Marco Dittrich aka. "Mariomarco"
|   published on the 06-08-2013 at 15:45 pm UTC +1 in Germany
|   Created to assist Wireless redstone without Redpower od Codechicken
|   THIS SCRIPT IS MADE FOR FREE USE !

|--|
|
|   Links to my webspace are not allowed because of some safety issues with this script (inicated with the !!)
|   WARNING: Do not give anybody the link to this script on your webspace who wants to cause Damage.
|   All the "!!" in the comments inicate where somebody could write anything -> that means he could possibly fullfill your webspace.
|
|   There are no other Bugs or Issues known Today - please feel free to contact me on Youtube: Youtube.com/eWobbit
|
|--|
|
|   I hope you like it, Marco.
|
//////////////////////////////////////////////////////////////////////////*/


$Domain = "";                                                               //< File name to seperate multiple users !!
$Domain = $_GET["domain"];
$Action = "get";                                                            //< Action can be either "get" or "set"
$Action = $_GET["act"];
$Frequenz = -1;                                                             //< Wireless Frequenz from 0 to 1023
$Frequenz = $_GET["freq"];
$State = "0";                                                               //< State of the Frequenz could be anything !!
$State = $_GET["state"];
if( $Domain != "" && $Frequenz <= 1023 && $Frequenz >=0){                   //< checking for valid Domain and Frequenz
    if(!file_exists ("WRMME." . strtolower($Domain) . ".db")){
        $filename = "WRMME." . strtolower($Domain) . ".db";                 //< Open File
        $handle = fopen($filename, "a+");
        $contents = "by Mariomarco|";
        fwrite($handle, $contents);
        fclose($handle);
    }
    if(strtolower($Action) == "set" ) {                                     //< Check if Action is "set" or "get"
            $filename = "WRMME." . strtolower($Domain) . ".db";             //< Open File
            $handle = fopen($filename, "a+");
            $contents = fread($handle, filesize($filename));
            $contents = explode("|",$contents);                             //< Write File as Array
            if(array_search($Frequenz . "F-",$contents) != False){                  //< Searching if the Frequenz already exists
                $arraySpot = array_search($Frequenz . "F-", $contents);
                unset($contents[array_search($Frequenz . "F-", $contents)]);        //< Overwriting it
                $contents[$arraySpot] = $Frequenz ."F-". $State;
                echo'overwrote state';
            }else{
                $contents[count($contents)] = $Frequenz ."F-". $State;      //< If it didn't exist add it
                echo'added state ';
            }
            $contents = array_values($contents);                            //< Save them again with the old Format
            $i = 0;
            file_put_contents($KeysFile1, "");
            while(count($contents) > $i){
                if($i == 0 ){
                    fwrite($handle, $contents[0]);
                }else{
                    fwrite($handle, "|".$contents[$i]);
                }
            }
        }else{
            $filename = "WRMME." . strtolower($Domain) . ".db";             //< If the Action is "get"
            $handle = fopen($filename, "a+");                               //< Opens File
            $contents = fread($handle, filesize($filename));
            $contents = explode("|",$contents);

            if (array_search($Frequenz . "F-", $contents) != False){                //< Searches if the Frequenz exists
                echo''. str_replace($Frequenz . "F-","",$contents[array_search($Frequenz . "F-", $contents)]);
            }else{
                echo'freqnotfound';
            }
                $contents = array_values($contents);                        //< Write them back in the special Save form
                $i = 0;
                file_put_contents($KeysFile1, "");
                while(count($contents) > $i){
                    if($i == 0 ){
                        fwrite($handle, $contents[0]);
                    }else{
                        fwrite($handle, "|".$contents[$i]);
                    }
                }
    }
}else{                                                                          //<  If the Start Variables were incorrect -> output reason
    if($Domain==""){
     echo'nodomain';
    }
    if($Frequenz >= 1023 || $Frequenz <=0){
        echo'invalidfreq';
    }
}
fclose($handle);
?>