Invalid argument supplied for foreach error

[aron]

help with this error im getting please.

here is the error

Warning: Invalid argument supplied for foreach() in c:\inetpub\wwwroot\eliteagents\prop_search.php on line 27
Could not connect to database

this is the url

hxxp://localhost/eliteagents/prop_search.php?pricefrom=1&priceto=100000000&property=Any&bed=100&nav=search&order=price&select5=100&suburbs%5B%5D=ACACIA+RIDGE&suburbs%5B%5D=ANNERLEY&suburbs%5B%5D=ANSTEAD&suburbs%5B%5D=BARELLAN+POINT&suburbs%5B%5D=BRACKEN+RIDGE&Submit=Submit

this is the code.

$nav = isset($_GET['nav']);
$order = isset($_GET['order']);
$property = isset($_GET['property']);
$suburbs = isset($_GET['suburbs']);
$pricefrom = isset($_GET['pricefrom']);
$priceto = isset($_GET['priceto']);
$beds = isset($_GET['beds']);
$bath = isset($_GET['bath']);

if($order == 'id'){
$ad = "DESC";
}else{
$ad = "ASC";
}

if($nav == 'search'){ 
$size = count($suburbs);
$count1 = 1; 
$sql_2 = ""; 

foreach($suburbs as $suburbsElement)  

{  

   $sql_2 .= ("'$suburbsElement'");  

   if ($count1 < $size)  

  {  

   $sql_2 .= (', ');  

   }  

$count1++;  

}

cheers aron.

[laserlight]

$suburbs = isset($_GET['suburbs']);

$suburbs now only contains a scalar, boolean value (true/false).

As such, it is invalid since foreach requires it to be an array.

Rather, you need to use something like

if (isset($_GET['suburbs']))
	$suburbs = $_GET['suburbs'];

[Weedpacket]

isset() just tests to see if a variable is set or not, and returns true or false depending. It does not return the value of the variable.

[aron]

all good thanks for that