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[SOLVED] PHP search script help... plz


joshgarrod

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Hi there everyone,

 

I am a newb to PHP and MySQL but have managed to put together a search script that works... to an extent. I want to be able to search by a stock description however, I have to search the exact stock description for it to show up. I want it to return results containing the words they search. I would be extremely greatful for some help. Thanks guys. Below is the script:

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />

<title>Search for spares</title>

</head>

 

<body>

<h2>Search</h2>

<form name="search" method="post" action="<?=$PHP_SELF?>">

Seach for: <input type="text" name="find" /> in

<Select NAME="field">

<Option VALUE="ID">Stock ID</option>

<Option VALUE="StockNumber">Stock number</option>

<Option VALUE="StockDescription">Stock description</option>

</Select>

<input type="hidden" name="searching" value="yes" />

<input type="submit" name="search" value="Search" />

</form>

<?

//This is only displayed if they have submitted the form

if ($searching =="yes")

{

echo "<h2>Results</h2><p>";

 

//If they did not enter a search term we give them an error

if ($find == "")

{

echo "<p>You forgot to enter a search term";

exit;

}

 

// Otherwise we connect to our Database

mysql_connect("localhost", "sto21", "ixhp388") or die(mysql_error());

mysql_select_db("sto21") or die(mysql_error());

 

// We preform a bit of filtering

$find = strtoupper($find);

$find = strip_tags($find);

$find = trim ($find);

 

//Now we search for our search term, in the field the user specified

$data = mysql_query("SELECT * FROM stock WHERE upper($field) LIKE'%$find%'");

 

//And we display the results

while($result = mysql_fetch_array( $data ))

{

echo $result['ID'];

echo " ";

echo $result['StockNumber'];

echo "<br>";

echo $result['StockDescription'];

echo "<br>";

echo "<br>";

}

 

//This counts the number or results - and if there wasn't any it gives them a little message explaining that

$anymatches=mysql_num_rows($data);

if ($anymatches == 0)

{

echo "Sorry, but we can not find an entry to match your query<br><br>";

}

 

//And we remind them what they searched for

echo "<b>Searched For:</b> " .$find;

}

?>

</body>

</html>

 

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You can do a full-text search (which doesn't sound like what you want) or you'll need to build the query more than what you have already. Try exploding the input and build the query like so:

$find_array = explode(" ", $find);
$find_sql = "";     // init
foreach ($find_array as $temp)
   $find_sql .= "LIKE '%$temp%' OR ";
$find_sql = substr($find_sql, 0, -3);  // throw away last OR statement

$data = mysql_query("SELECT * FROM stock WHERE upper($field) $find_sql"); 

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replace

$data = mysql_query("SELECT * FROM stock WHERE upper($field) LIKE'%$find%'"); 

 

with

$find_array = explode(" ", $find);
$find_sql = "";     // init
foreach ($find_array as $temp)
   $find_sql .= "LIKE '%$temp%' OR ";
$find_sql = substr($find_sql, 0, -3);  // throw away last OR statement

$data = mysql_query("SELECT * FROM stock WHERE upper($field) $find_sql"); 

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