record (unknown num) checked checkboxes values in php/mysql, how ?

[leonidassavvides]

<?php 
// ------------------------------------------------------
include("../dbinfo.php");
$linkid = mysql_connect($hostname,$username,$password);
@mysql_select_db($database) or die( "Unable to select database");   // @
// Base query 
$query ='';
$query = "SELECT * FROM $BookingsTable WHERE email='$email'";  
$result = @mysql_query($query,$linkid);

$count = @mysql_num_rows($result);
echo "  ( Your query returned " . $count . " items. )";
?>
.....
<? $i=0;
	if ($count > 0) {
             while ($i < $count) {
			    $bookingid = mysql_result($result,$i,"bookingid");
				$dateplaced = mysql_result($result,$i,"dateplaced");
				$status = mysql_result($result,$i,"status");
				$datep = mysql_result($result,$i,"datep");
				$dated = mysql_result($result,$i,"dated");
				$Locationp = mysql_result($result,$i,"Locationp");
				$Locationd = mysql_result($result,$i,"Locationd");
				$days = mysql_result($result,$i,"days");
				$mostdaysrate = mysql_result($result,$i,"mostdaysrate");
				$vat = mysql_result($result,$i,"vat");
				$off = mysql_result($result,$i,"off");
				$total = mysql_result($result,$i,"total");
				$cat = mysql_result($result,$i,"cat");
				$bookingidarray=array();
				//$cb=0;
?>
<input name="<?= $bookingidarray[$i]; ?>" type="checkbox" id="<?= $bookingidarray[$i]; ?>" value="<?=$bookingid; ?>" />
<?
++$i;
             } # end while
	} else {  ?>

processor:record (unknown number) checked checkboxes values in php/mysql, how ?
how take value of a checkbox(checked) in php ? this is error: ?
$ck[++$ckd]=$_POST['$bookingidarray[$k]'].value;

<?php 
$email=$_SESSION['username'];
$ck=array();
$ckd=0;
if ((isset($_POST['cancel']) {
    for($k=0;$k<$_SESSION['bs'];++$k) {   //  $_SESSION['bs']=$count 
		if ($_POST['$bookingidarray[$k]']="checked") {
			$ck[++$ckd]=$_POST['$bookingidarray[$k]'].value;
		}
	}
	include("../dbinfo.php");
	$linkid = mysql_connect($hostname,$username,$password);
	@mysql_select_db($database) or die( "Unable to select database"); 
	for($g=0;$g==$ckd;++$g) {
		$query[$g] = "DELETE * FROM $BookingsTable WHERE email='$email' AND bookingid='".$ck[++$g];   
		$result[$g] = @mysql_query($query[$g],$linkid) or die("Unable to execute query. Please try again later.");  
	}
}
?>