Your own article spinner in PHP!

function spin($pass){
    $mytext = $pass;
    while(inStr("}",$mytext)){
        $rbracket = strpos($mytext,"}",0);
        $tString = substr($mytext,0,$rbracket);
        $tStringToken = explode("{",$tString);
        $tStringCount = count($tStringToken) - 1;
        $tString = $tStringToken[$tStringCount];
        $tStringToken = explode("|",$tString);
        $tStringCount = count($tStringToken) - 1;
        $i = rand(0,$tStringCount);
        $replace = $tStringToken[$i];
        $tString = "{".$tString."}";
        $mytext = str_replaceFirst($tString,$replace,$mytext);
    }
    return $mytext;
}
function str_replaceFirst($s,$r,$str){
    $l = strlen($str);
    $a = strpos($str,$s);
    $b = $a + strlen($s);
    $temp = substr($str,0,$a) . $r . substr($str,$b,($l-$b));
    return $temp;
}
function inStr($needle, $haystack){
    return @strpos($haystack, $needle) !== false;
}

<?php
set_time_limit(10);
function inStr($needle, $haystack){
    return @strpos($haystack, $needle) !== false;
}
function str_replaceFirst($s,$r,$str){
    $l = strlen($str);
    $a = strpos($str,$s);
    $b = $a + strlen($s);
    $temp = substr($str,0,$a) . $r . substr($str,$b,($l-$b));
    return $temp;
}
function spin($pass){
    $mytext = $pass;
    while(inStr("}",$mytext)){
        $rbracket = strpos($mytext,"}",0);
        $tString = substr($mytext,0,$rbracket);
        $tStringToken = explode("{",$tString);
        $tStringCount = count($tStringToken) - 1;
        $tString = $tStringToken[$tStringCount];
        $tStringToken = explode("|",$tString);
        $tStringCount = count($tStringToken) - 1;
        $i = rand(0,$tStringCount);
        $replace = $tStringToken[$i];
        $tString = "{".$tString."}";
        $mytext = str_replaceFirst($tString,$replace,$mytext);
    }
    return $mytext;
}

echo '<form action="" method="post"><textarea name="mypost" cols="80" rows="20">';

if(isset($_POST["mypost"])){
    echo $_POST["mypost"];
}
echo '</textarea><br /><input name="" type="submit" /></form>';

if(isset($_POST["mypost"])){
    $mypost = $_POST["mypost"];
    $mypost = str_replace("'","`",$mypost);
    $echoMe = spin($mypost);
    $wordCount = explode(" ",$echoMe);
    $wordCount = count($wordCount);
    $echoMe = str_replace(chr(13).chr(10),"<br />".chr(13).chr(10),$echoMe);
    echo $echoMe;
    echo "<br />";
    echo "wordcount: <b>$wordCount</b>";

}

?>

    $echoMe = spin($mypost);