#!/usr/local/bin/php -q
<?
$infile = "infile";
$outfile = "outfile";
exec("crontab -l > $infile");
$a=fopen($infile, "r");
$ct=0;
while(!feof ($a)) {
  $buffer=fgets($a, 4096);
  $buffer = str_replace("\n", "", $buffer);
  $input[$ct]=$buffer;
  $ct++;
}
fclose($a);
unlink($infile);
$b=fopen($outfile, "a+");
for($i=0; $i < count($input) - 1; $i++) {
  if ($i > 2) {
  $buffer=fputs($b, "$input[$i]\n");
  }
}
//$string="String to be passed in from external file";
# Next line adds new string to crontab outfile
//$nustr=fputs($b, "$string\n");
fclose($b);
exec("crontab $outfile");
unlink($outfile);
?>