php scrapper

<?php
$offset="0";
$increment=7;
$string="oferta";
$list=array();
//echo "<a href=http://www.aldaba.com/ver_ofertas.php?offset=$offset&area=s%3A19%3A%22Ingenier%EDa+Sistemas%22%3B&pais=Rep%FAblica+Dominicana&ln=83&oby=dt target=_blank> Aldaba.org</a><br>";

$data=shell_exec("curl \"http://www.aldaba.com/ver_ofertas.php?offset=$offset&area=s%3A19%3A%22Ingenier%EDa+Sistemas%22%3B&pais=Rep%FAblica+Dominicana&ln=83&oby=dt\" | grep -i ficha ");

$info=explode("<b>",$data);

foreach($info as $key=> $value) {
if($key>0){


$list[]=$value;


}
}
while(end($info)){

$offset+=$increment;
if (count($info)<8) { 
break;
}

$data=shell_exec("curl \"http://www.aldaba.com/ver_ofertas.php?offset=$offset&area=s%3A19%3A%22Ingenier%EDa+Sistemas%22%3B&pais=Rep%FAblica+Dominicana&ln=83&oby=dt\" | grep -i ficha");

$info=explode("<b>",$data);

foreach($info as $key=> $value) {
if($key>0){


$list[]=$value;


}
}

}

foreach($list as $key=> $value) {
echo "<br>";
echo ($key+1)." ".trim(strip_tags($value,"<a>"))."<br>";


}
?>