Code found in the wild (all in the same project)

gistfile1.txt

if (stopped) {
   // don't proceed
} else {
   // proceed
   /* code */
}

/* Note, there are a ton of these. if(CONDITION) { /* don't do anything */ } else { /* code */} ... I suspect the programmer did not know you could do if(!CONDITION)

gistfile2.txt

/* Letting the user clobber any global variable by setting a query param... Yup, good idea */
  if(is_array($_GET))
  {
    foreach($_GET as $key=>$value)
    {
      $$key = $value;
    }
  }
  if(is_array($_POST))
  {
    foreach($_POST as $key=>$value)
    {
      $$key = $value;
    }
  }