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Thread: search parametr error message

  1. #1
    Join Date
    Mar 2007

    Default search parametr error message

    I developed a search engine on my website. But each time i try to seacrh fo a thing in the mysql database i receive : "we dont seem to have the search parameter" as the error message. pls what is the possible error and solution

  2. #2
    Join Date
    Oct 2005

    Default Re: search parametr error message

    I believe that noone can answer you this question. Even with lots of experience in php/mysql programming one would need to analyze your script and database data to see why the script doesn't return any results.
    Try a step by step debugging: insert a series of echo... / exit; in various parts of your script to be able to see the flow and check if the cortect parameters / variables are passed through all parts of the script.

    Sometimes, even a white space by mistake added to the databased stored info, could be enough to create such problems.
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  3. #3
    Join Date
    Mar 2007

    Default Re: search parametr error message

    File Type: PHP script text

    This is the php page: is the script after succefull connection to the database and the databatable:

    //specify how many results to display per page
    $limit = 10;
    // Get the search variable from URL
    $var = @$_GET['q'] ;
    //trim whitespace from the stored variable
    $trimmed = trim($var);
    //separate key-phrases into keywords
    $trimmed_array = explode(" ",$trimmed);
    // check for an empty string and display a message.
    if ($trimmed == "") {
    $resultmsg = "<p>Search Error</p><p>Please enter a search...</p>" ;
    // check for a search parameter
    if (!isset($var)){
    $resultmsg = "<p>Search Error</p><p>We don't seem to have a search parameter! </p>" ;
    // Build SQL Query for each keyword entered
    foreach ($trimmed_array as $trimm){
    // EDIT HERE and specify your table and field names for the SQL query
    $query = "SELECT * FROM onitsha_product_directory WHERE business_location LIKE '%$trimm%' OR type_of_location like '%$trimm%' OR type_of_business like '%$trimm%' ORDER BY id DESC" ;
    // Execute the query to get number of rows that contain search keywords
    $numresults=mysql_query ($query);
    $row_num_links_main = mysql_num_rows ($numresults);
    // next determine if 's' has been passed to script, if not use 0.
    // 's' is a variable that gets set as we navigate the search result pages.
    if (empty($s)) {
    // now let's get results.
    $query .= " LIMIT $s,$limit" ;
    $numresults = mysql_query ($query) or die ( "Query couldn't be executed" );
    $row= mysql_fetch_array ($numresults);
    //store record id of every item that contains the keyword in the array we need to do this to avoid display of duplicate search result.
    $adid_array[] = $row[ 'id' ];
    }while( $row= mysql_fetch_array($numresults));
    } //end foreach
    if($row_num_links_main == 0 && $row_set_num == 0){
    $resultmsg = "<p>Search results for: ". $trimmed."</p><p>Sorry, your search returned zero results</p>" ;
    //delete duplicate record id's from the array. To do this we will use array_unique function
    $tmparr = array_unique($adid_array);
    foreach ($tmparr as $v) {
    $newarr[$i] = $v;
    // now you can display the results returned. But first we will display the search form on the top of the page
    <form action="search.php" method="get" name="search">
    <div align="center">
    <input name="q" type="text" value=" <?php echo $q; ?> " size="15">
    <input name="search" type="submit" value="Search">
    // display what the person searched for.
    if( isset ($resultmsg)){
    echo $resultmsg;
    echo "Search results for: " . $var;
    foreach($newarr as $value){
    // EDIT HERE and specify your table and field names for the SQL query
    $query_value = "SELECT * FROM onitsha_product_directory WHERE id = '$value'";
    $num_value=mysql_query ($query_value);
    $row_linkcat= mysql_fetch_array ($num_value);
    $row_num_links= mysql_num_rows ($num_value);
    //now let's make the keywods bold. To do that we will use preg_replace function.
    //Replace field
    $titlehigh = preg_replace ( "'($var)'si" , "<b> //1</b>" , $row_linkcat[ 'business_location' ] );
    $linkhigh = preg_replace ( "'($var)'si" , "<b> //1</b>" , $row_linkcat[ 'type_of_location' ] );
    $linkdesc = preg_replace ( "'($var)'si" , "<b> //1</b>" , $row_linkcat[ 'type_of_business' ] );
    foreach($trimmed_array as $trimm){
    if($trimm != 'b' ){
    $titlehigh = preg_replace( "'($trimm)'si" , "<b> //1</b>" , $titlehigh);
    $linkhigh = preg_replace( "'($trimm)'si" , "<b> //1</b>" , $linkhigh);
    $linkdesc = preg_replace( "'($trimm)'si" , "<b> //1</b>" , $linkdesc);
    //end highlight
    <?php echo $titlehigh; ?><br>
    <?php echo $linkhigh; ?><br>
    <?php echo $linkhigh; ?>
    } //end foreach $trimmed_array
    if($row_num_links_main > $limit){
    // next we need to do the links to other search result pages
    if ($s>=1) { // do not display previous link if 's' is '0'
    echo "<div align='left'><a href='$PHP_SELF?s=$prevs&q=$var&catid=$catid'>Prev ious " .$limit. "</a></div>";
    // check to see if last page
    $slimit =$s+$limit;
    if (!($slimit >= $row_num_links_main) && $row_num_links_main!=1) {
    // not last page so display next link
    echo "<div align='right'><a href='$PHP_SELF?s=$n&q=$var&catid=$catid'>Next " .$limit. "</a></div>";
    } //end foreach $newarr

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