clean

<?php 
$argcpipe = trim(fgets(STDIN));
if ($argcpipe === '$mangle')
$mangle = $argcpipe;
while (false !== ($word = fgets(STDIN))) {
$word = trim($word);
$char[0] = "?";
$char[1] = "$";
$char[2] = "@";
$char[3] = "!";
$char[4] = ".";
$char[5] = "&";
$random = mt_rand(0,5);
$randomchar = $char[$random];
if (isset($mangle)){
  if (preg_match('/^[a-zA-Z]+$|\\d{5,}|(.)\\1{2}/', $word) == false){//remove 5 or more digits and 3 or more consecutive characters and removes all letter words
          $word = preg_replace('/\\s/', $randomchar, $word);
            fwrite(STDOUT, $word."\n");}     
}else{
  if (preg_match('/[A-Z]/', $word) == true)://contains capital letter  
    if (preg_match('/^[a-zA-Z]+$|\\d{5,}|(.)\\1{2}/', $word) == false){//remove 5 or more digits and 3 or more consecutive characters and removes all letter words
          $word = preg_replace('/\\s/', $randomchar, $word);
            fwrite(STDOUT, $word."\n");}
        endif;                                    
  }
}
?>