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session getting altered somehow

mikefrederick

By mikefrederick
in PHP Coding Help

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mikefrederick Regular Member

mikefrederick

Posted
Posted

I have $_SESSION['mls'] set and working but somehow when i go to the following page it always gets altered. Let me know if you see any reason why:

 

 

<?php

session_start();
include("include/common.php");
include("$config[template_path]/user_top.html");
global $conn, $lang, $config, $HTTP_GET_VARS;
$debug_GET = True;
$guidestring = "";
$guidestring_with_sort = "";
// Save GET
foreach ($_GET as $k => $v)
{
	if ($v && $k != 'cur_page' && $k != 'PHPSESSID' && $k != 'sortby' && $k != 'sorttype' && $k != 'imagesOnly')
	{
		if (is_array($v))
		{
			foreach ($v as $vitem)
			{
			$guidestring .= '&' . urlencode("$k") . '[]=' . urlencode("$vitem");
			}
		}
		else
		{
			$guidestring .= '&' . urlencode("$k") . '=' . urlencode("$v");
		}
	}
}
$sql = "drop table IF EXISTS " . $config[table_prefix] . "temp";
$recordSet = $conn->Execute($sql);
	if ($recordSet === false)
	{
		log_error($sql);
	}
$sql = "CREATE TABLE " . $config[table_prefix] . "temp SELECT " . $config[table_prefix] . "listingsDB.ID, " . $config[table_prefix] . "listingsDB.Title, " . $config[table_prefix] . "listingsDB.user_ID, " . $config[table_prefix] . "listingsDBElements.field_name, " . $config[table_prefix] . "listingsDBElements.field_value FROM " . $config[table_prefix] . "listingsDB, " . $config[table_prefix] . "listingsDBElements WHERE (" . $config[table_prefix] . "listingsDBElements.listing_id = " . $config[table_prefix] . "listingsDB.ID) AND ";
if ($config[use_expiration] == "yes")
{
	$sql .= "(" . $config[table_prefix] . "listingsDB.expiration > ".$conn->DBDate(time()).") AND ";
}
$sql .= "(" . $config[table_prefix] . "listingsDB.active = 'yes')";
$recordSet = $conn->Execute($sql);
	if ($recordSet === false)
	{
		log_error($sql);
	}
if ($config[manage_index_permissions] == 'Yes')
{
	$sql = "create index idx_listingid on " . $config[table_prefix] . "temp (ID)";
	$recordSet = $conn->Execute($sql);
	if ($recordSet === false)
	{
		log_error($sql);
	}
	$sql = "create index idx_listingname on " . $config[table_prefix] . "temp (field_name(10))";
	$recordSet = $conn->Execute($sql);
	if ($recordSet === false)
	{
		log_error($sql);
	}
}
reset ($HTTP_GET_VARS);
foreach ($_GET as $ElementIndexValue => $ElementContents) {
	if ($ElementIndexValue == "sortby")
	{
		$guidestring_with_sort = "$ElementIndexValue=$ElementContents";
	}
	elseif ($ElementIndexValue == "sorttype")
	{
			$guidestring_with_sort = "$ElementIndexValue=$ElementContents&";
	}
	elseif ($ElementIndexValue == "cur_page")
	{
	}
	elseif ($ElementIndexValue == "PHPSESSID")
	{
	}
	elseif ($ElementIndexValue == "user_ID")
	{
			$sql = "DELETE FROM " . $config[table_prefix] . "temp WHERE User_ID <> $ElementContents";
			$recordSet = $conn->Execute($sql);
	}
	elseif ($ElementIndexValue == "imagesOnly")
	{
		$guidestring .= "$ElementIndexValue=$ElementContents&";
		if ($ElementContents == "yes")
		{
			$whilecount = 0;
			$delete_string = "DELETE FROM " . $config[table_prefix] . "temp WHERE (1=1)";
			$sql = "SELECT " . $config[table_prefix] . "temp.ID, COUNT(" . $config[table_prefix] . "listingsImages.file_name) AS imageCount FROM " . $config[table_prefix] . "listingsImages," . $config[table_prefix] . "temp WHERE (" . $config[table_prefix] . "listingsImages.listing_id = " . $config[table_prefix] . "temp.ID) GROUP BY " . $config[table_prefix] . "listingsImages.listing_id";
			$recordSet = $conn->Execute($sql);
				if ($recordSet === false)
				{
					log_error($sql);
				}
			while (!$recordSet->EOF)
			{
				$whilecount = $whilecount + 1;
				$listingID = $recordSet->fields[iD];
				$imageCount = $recordSet->fields[imageCount];
				$delete_string .= " AND ";
				$delete_string .= "(ID <> $listingID)";
				$recordSet->MoveNext();
			} // end while
			$recordSet = $conn->Execute($delete_string);
				if ($recordSet === false)
				{
					log_error($delete_string);
				}
		}
	} // end elseif ($ElementIndexValue == "imagesOnly")
	elseif (is_array($ElementContents))
	{
		//echo $ElementIndexValue.': array found<br>';
		//echo count($ElementContents).'Elements found in array<br>';
		$skip = False;
		foreach($ElementContents as $a)
		{
			if (!$a)
			{
				$skip = True;
			}
			//echo '|'.$a.'|';
		}
		if ($skip == True)
		{
			continue;
		}
		reset($ElementContents);
		echo '<br><br>';
		$sql_ElementIndexValue = make_db_safe($ElementIndexValue);
		$r = $conn->getOne("select search_type from " . $config[table_prefix] . "listingsFormElements where field_name = ".$sql_ElementIndexValue);
		if (($r == 'optionlist') || ($r == 'fcheckbox'))
		{
			$recordSet = $conn->Execute($sql);
			$sql = "select count(t2.field_name) as cnt, t1.id as id from " . $config[table_prefix] . "temp t1 left join " . $config[table_prefix] . "listingsDBElements t2 on t1.id = t2.listing_id and t1.field_name = $sql_ElementIndexValue group by t1.id";
			$res = $conn->Execute($sql);
			while (!$res->EOF)
			{
				if ($res->fields['cnt'] == 0)
				{
					$conn->execute("delete from " . $config[table_prefix] . "temp where id = " . $res->fields['id']);
				}
				else
				{
					$value = $conn->getOne("select field_value from " . $config[table_prefix] . "temp where id = " . $res->fields['id'] . " and field_name = $sql_ElementIndexValue");
					$delete = 1;
					foreach ($ElementContents as $e)
					{
						if (!strstr($value, $e)) 
						{
							$conn->execute("delete from " . $config[table_prefix] . "temp where id = " . $res->fields['id']);
						}
					}
				}
				$res->moveNext();
			}
		}
		else
		{
			$whilecountTwo = 0;
			$select_statement = "SELECT ID FROM " . $config[table_prefix] . "temp WHERE ( (field_name=$sql_ElementIndexValue) AND ";
			while (list($featureValue, $feature_item) = each ($ElementContents))
			{
				$whilecountTwo = $whilecountTwo + 1;
				if ($whilecountTwo > 1)
				{
					$select_statement .= " OR ";
				}
				$sql_feature_item = make_db_safe($feature_item);
				$select_statement .= "(field_value = $sql_feature_item)";
			}
			$select_statement .= ")";
			$recordSet = $conn->Execute($select_statement);
			if ($recordSet === false)
			{
				log_error($select_statement);
			}
			$save_array = array();
			while (!$recordSet->EOF)
			{
				$save_ID = $recordSet->fields[iD];
				$save_array[] = "$save_ID";
				$recordSet->MoveNext();
			} // end while
			$num_to_delete = $recordSet->RecordCount();
			if ($num_to_delete > 0)
			{
				$delete_string = "DELETE FROM " . $config[table_prefix] . "temp WHERE ";
				while (list($IndexValue,$ElementContents) = each($save_array))
				{
					if ($IndexValue > 0)
					{
						$delete_string .= " AND ";
					}
					$sql_ElementContents = make_db_safe($ElementContents);
					$delete_string .= "(ID <> $sql_ElementContents)";
				} // end while
				$recordSet = $conn->Execute($delete_string);
					if ($recordSet === false)
					{
						log_error($delete_string);
					}
			} // ($num_to_delete > 0)
			elseif ($num_to_delete == 0)
			{
				$delete_string = "DELETE FROM " . $config[table_prefix] . "temp";
				$recordSet = $conn->Execute($delete_string);
					if ($recordSet === false)
					{
						log_error($delete_string);
					}
			} // end elseif ($num_to_delete = 0)
		} // end optionlist check
	} // end elseif (is_array($ElementContents))
	else
	{
		if (!$ElementContents) continue;
			$val = $ElementContents;
			$ElementContents = make_db_safe($ElementContents);
			$l3 = substr($ElementIndexValue, strlen($ElementIndexValue) - 3);
			if ($l3 == 'min' OR $l3 == 'max')
			{
				$col = strtok($ElementIndexValue, '-');
				$sql = "select id, field_value as v from " . $config[table_prefix] . "temp where field_name = '$col'";
				$rs = $conn->Execute($sql);
				$del_id = array();
				while (!$rs->EOF) {
					if ($l3 == 'min' AND $val)
					{
					$min1=$val;
						if ($rs->fields['v'] < $val)
						{
							$del_id[] = $rs->fields['id'];
						}
					}
					if ($l3 == 'max' AND $val)
					{
						$max1=$val;
						if ($rs->fields['v'] > $val)
						{
							$del_id[] = $rs->fields['id'];
						}
					}
					$rs->MoveNext();
				}
				$sql = "delete from " . $config[table_prefix] . "temp where id in (" . implode(',', $del_id) . ")";
				if (sizeof($del_id))
				{
					$conn->execute($sql);
				}
				continue;
			}
		$l7 = substr($ElementIndexValue, strlen($ElementIndexValue) - 7);
		if ($l7 == 'mindate' OR $l7 == 'maxdate')
		{
			if (($time = strtotime($val)) > 1)
			{
				$col = strtok($ElementIndexValue, '-');
				$sql = "select id, field_value as v from " . $config[table_prefix] . "temp where field_name = '$col'";
				$rs = $conn->Execute($sql);
				$del_id = array();
				while (!$rs->EOF)
				{
					$db_time = strtotime($rs->fields['v']);
					if ($l7 == 'mindate' AND $val)
					{
						if ($db_time < $time)
						{
							$del_id[] = $rs->fields['id'];
						}
					}
					if ($l7 == 'maxdate' AND $val)
					{
						if ($db_time > $time)
						{
							$del_id[] = $rs->fields['id'];
						}
					}
					if ($db_time < 1 or !$val)
					{
						$del_id[] = $rs->fields['id'];
					}
					$rs->MoveNext();
				}
				$sql = "delete from " . $config[table_prefix] . "temp where id in (" . implode(',', $del_id) . ")";
				if (sizeof($del_id))
				{
					$conn->execute($sql);
				}
				continue;
			}
		}
	if (!$ElementContents) continue;
		$ElementIndexValue = make_db_safe($ElementIndexValue);
		$select_statement = "SELECT ID FROM " . $config[table_prefix] . "temp WHERE ( (field_name = $ElementIndexValue) AND (field_value = $ElementContents) )";
		$recordSet = $conn->Execute($select_statement);
			if ($recordSet === false)
			{
				log_error($select_statement);
			}
		$save_array = array();
		while (!$recordSet->EOF)
		{
			$save_ID = $recordSet->fields[iD];
			$save_array[] = "$save_ID";
			$recordSet->MoveNext();
		} // end while
		$num_to_delete = $recordSet->RecordCount();
		if ($num_to_delete > 0)
		{
			$delete_string = "DELETE FROM " . $config[table_prefix] . "temp WHERE ";
			while (list($IndexValue,$ElementContents) = each($save_array))
			{
				if ($IndexValue > 0)
				{
					$delete_string .= " AND ";
				}
				$delete_string .= "(ID <> $ElementContents)";
			}
			$recordSet = $conn->Execute($delete_string);
				if ($recordSet === false)
				{
					log_error($delete_string);
				}
		} // end ($num_to_delete > 0)
		elseif ($num_to_delete == 0)
		{
			$delete_string = "DELETE FROM " . $config[table_prefix] . "temp";
			$recordSet = $conn->Execute($delete_string);
				if ($recordSet === false)
				{
					log_error($delete_string);
				}
		} // end elseif ($num_to_delete = 0)
	} // end else
} // end while
	$sortby="price";
	if ($sortby == "")
	{
		$sort_text = "";
		$order_text = "ORDER BY ID DESC";
	}
	elseif ($sortby == "listingname")
	{
		$sort_text = "";
		$order_text = "ORDER BY Title $sorttype";
	}
		elseif ($sortby == "price")
	{
		$sortby = make_db_extra_safe($sortby);
		$sort_text = "WHERE (field_name = $sortby)";
		$order_text = "ORDER BY field_value +0 $sorttype";
	}
	else
	{
		$sortby = make_db_extra_safe($sortby);
		$sort_text = "WHERE (field_name = $sortby)";
		$order_text = "ORDER BY field_value $sorttype";
	}
	if (($sorttype == "") || ($sorttype == "ASC"))
	{
		$sorttype = "DESC";
	}
	else
	{
		$sorttype = "ASC";
	}
	$guidestring_with_sort = $guidestring_with_sort.$guidestring;
	$sql1="SELECT ID FROM " . $config[table_prefix] . "temp WHERE ((field_name = 'status') AND (field_value = 'Sold'))";
	$rs=$conn->Execute($sql1);
	if ($rs === false)
	{
		log_error($sql1);
	}
	while (!$rs->EOF)
	{
	$id=$rs->fields[iD];
	$sql2="DELETE FROM " . $config[table_prefix] . "temp WHERE ID=$id";
		$rs2=$conn->Execute($sql2);
	$rs->MoveNext();
	}
	$sql = "SELECT * from " . $config[table_prefix] . "temp $sort_text GROUP BY ID $order_text";
	$recordSet = $conn->Execute($sql);
	if ($recordSet === false)
	{
		log_error($sql);
	}

	$num_rows = $recordSet->RecordCount();
	if ($num_rows > 0)
	{
		$limit_str = $cur_page * $config[listings_per_page];
		$resultRecordSet = $conn->Execute($sql);
			if ($resultRecordSet === false)
			{
				log_error($sql);
			}
		$min2 = money_formats(international_num_format($min1));
		$max2 = money_formats(international_num_format($max1));
		if ($max2=="$0")
		{
		$max2="and up";
		}
		?>

<!-- CONTENT -->

<?php if ($city === 'Vancouver Island')
	{
		if ($type == '')
			{
				echo '<h1>Current Listings: ' . $city . '</h1>';
			}
			else
			{
				echo '<h1>Current Listings: ' . $city . ' » ' . $type . '</h1>';
			}
	}

	else {
?>

<h1>Current Listings: <?PHP echo $city;?> <?PHP echo $type;?></h1>

<?php } ?>

<?php if ($city === 'Vancouver Island')
	{
		echo '<h2>Browse ' . $city . ' by property type: ';
	}

	else {
?>

<h2>Browse <?PHP echo $city;?> listings by property type:

Link to comment
https://forums.phpfreaks.com/topic/91833-session-getting-altered-somehow/
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mikefrederick Regular Member

mikefrederick

Posted
  • Author
Posted

and if I echo $_SESSION['mls'] at the top of that page it is correct and then echo it again at the bottom it is incorrect. There is a little more code but I am having trouble posting it in the forum, none of it contains any session info.

PFMaBiSmAd Advanced Member

PFMaBiSmAd

Posted
Posted

If the code on that page is not directly setting $_SESSION['mls'], then it is likely that register globals are on and there is a program/post/get/cookie variable with the same name - mls.

 

If the above is true, turn register globals off or use unique names for all variables so that there is no overlap due to register globals.

This thread is more than a year old. Please don't revive it unless you have something important to add.

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