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adult.swim
07-13-2006, 09:18 PM
Ive created a single input form. Its input is later compared to a column in the mysql

database that Ive created (so basically its a search form).

My question is how are multi input forms generally handled? My understanding is that when u

query a database, u can only traverse 1 column. Is it possible to take multiple inputs and

check multiple columns at the same time?

Here is the code I have for my form and search pages:

form.html

<form name="form" action="search.php" method="get">
mlsnumber:
<input type="text" name="q" />
<input type="submit" name="Submit" value="Search" />
</form>Now, enter

search.php

// Get the search variable from URL
$var = @$_GET['q'] ;
$trimmed = trim($var); //trim whitespace from the stored variable

// rows to return
$limit=10;

// check for an empty string and display a message.
if ($trimmed == "")
{
echo "<p>Please enter a search...</p>";
exit;
}

// check for a search parameter
if (!isset($var))
{
echo "<p>We dont seem to have a search parameter!</p>";
exit;
}

//connect to your database ** EDIT REQUIRED HERE **
mysql_connect("***", "***", "***"); //(host, username, password)

//specify database ** EDIT REQUIRED HERE **
mysql_select_db("homep_listings") or die("Unable to select database"); //select which

database we're using

// Build SQL Query
$query = "select * from listings where mlsnumber like '%$trimmed%'
order by mlsnumber"; // EDIT HERE and specify your table and field names for the SQL query

$numresults=mysql_query($query);
$numrows=mysql_num_rows($numresults);

// If we have no results, offer a google search as an alternative

if ($numrows == 0)
{
echo "<h4>Results</h4>";
echo "<p>Sorry, your search: &quot;" . $trimmed . "&quot; returned zero results</p>";

// google
echo "<p><a href=\"http://www.google.com/search?q="
. $trimmed . "\" target=\"_blank\" title=\"Look up
" . $trimmed . " on Google\">Click here</a> to try the
search on google</p>";
}

// next determine if s has been passed to script, if not use 0
if (empty($s)) {
$s=0;
}

// get results
$query .= " limit $s,$limit";
$result = mysql_query($query) or die("Couldn't execute query");

// display what the person searched for
echo "<p>You searched for: &quot;" . $var . "&quot;</p>";

// begin to show results set
echo "Results";
$count = 1 + $s ;

// now you can display the results returned
while ($row= mysql_fetch_array($result)) {
$title = $row["mlsnumber"];

echo "$count.)&nbsp;$title" ;
$count++ ;
}

$currPage = (($s/$limit) + 1);

//break before paging
echo "<br />";

// next we need to do the links to other results
if ($s>=1) { // bypass PREV link if s is 0
$prevs=($s-$limit);
print "&nbsp;<a href=\"$PHP_SELF?s=$prevs&q=$var\">&lt;&lt;
Prev 10</a>&nbsp&nbsp;";
}

// calculate number of pages needing links
$pages=intval($numrows/$limit);

// $pages now contains int of pages needed unless there is a remainder from division

if ($numrows%$limit) {
// has remainder so add one page
$pages++;
}

// check to see if last page
if (!((($s+$limit)/$limit)==$pages) && $pages!=1) {

// not last page so give NEXT link
$news=$s+$limit;

echo "&nbsp;<a href=\"$PHP_SELF?s=$news&q=$var\">Next 10 &gt;&gt;</a>";
}

$a = $s + ($limit) ;
if ($a > $numrows) { $a = $numrows ; }
$b = $s + 1 ;
echo "<p>Showing results $b to $a of $numrows</p>";

cubsfan
07-13-2006, 09:51 PM
Sure, if you have two inputs in the form, just form your query with both of the values posted. You can use AND or OR in your generated sql.


$sql = "select * from listings where mlsnumber like '" . $trimmed . "' and otherfield like '" . $_POST/GET['othervarialbe'] . "' and ..."

ns1987
07-13-2006, 09:57 PM
I'd also suggest that you escape your data (unless you have magic_quotes on, in which case, you don't need to, though it's usually safer to have them off and escape everything, but whatever)