velesmist

Hello, The following code is supposed to display 20 search results per page. The problem is the browser fails to load the next set of 20 results when I click the "Next 20" link and, instead, simply redisplays the current page. The relevant code ($PHP_SELF?s=$n&q=$var&catid=$catid) is at the bottom of the code below. Can anyone help me? Thanks in advance. //open database connection $connections = mysql_connect($hostname_logon, $username_logon, $password_logon) or die ( "Unabale to connect to the database" ); //select database mysql_select_db($database_logon) or die ( "Unable to select database!" ); //specify how many results to display per page $limit = 20; // 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 $query = "SELECT * FROM default_table WHERE biz_id LIKE \"%$trimm%\" OR biz_name LIKE \"%$trimm%\" OR state LIKE \"%$trimm%\" ORDER BY biz_id DESC" ; // Execute the query to get number of rows that contain search kewords $numresults=mysql_query ($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)) { $s=0; } // now let's get results. $query .= " LIMIT $s,$limit" ; $numresults = mysql_query ($query) or die ( "Couldn't execute query" ); $row= mysql_fetch_array ($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. do{ //EDIT HERE and specify your field name that is primary key $adid_array[] = $row[ 'biz_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); $i=0; foreach ($tmparr as $v) { $newarr[$i] = $v; $i++; } // now you can display the results returned. But first we will display the search form on the top of the page ?> </style></head> <form action="search.php" method="get" name="search"> <div align="center"> <input name="q" type="text" value=" <?php echo $q; ?> " size="15"> <input name="search" type="submit" value="Search"> </div> </form> <?php // display what the person searched for. if( isset ($resultmsg)){ echo $resultmsg; exit(); }else{ echo "Search results for: " . $var; } foreach($newarr as $value){ // EDIT HERE and specify your table and field names for the SQL query $query_value = "SELECT * FROM default_table WHERE biz_id = '$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. //EDIT parts of the lines below that have fields names like $row_linkcat[ 'field1' ] //This script assumes you are searching only 3 fields. If you are searching more fileds make sure that add appropriate line. $titlehigh = preg_replace ( "'($var)'si" , "<b>\\1</b>" , $row_linkcat[ 'biz_id' ] ); $linkhigh = preg_replace ( "'($var)'si" , "<b>\\1</b>" , $row_linkcat[ 'biz_name' ] ); $linkdesc = preg_replace ( "'($var)'si" , "<b>\\1</b>" , $row_linkcat[ 'state' ] ); foreach($trimmed_array as $trimm){ if($trimm != 'b' ){ //IF you added more fields to search make sure to add them below as well. $titlehigh = preg_replace( "'($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 ?> <p> <?php echo $titlehigh; ?><br> <?php echo $linkhigh; ?><br> <?php echo $linkdesc; ?> </p> <?php } //end foreach $trimmed_array } //end foreach $newarr if($row_num_links_main > $limit){ // next we need to do the links to other search result pages if ($s>=0) { // do not display previous link if 's' is '0' $prevs=($s-$limit); echo "<div align='left'><a href='$PHP_SELF?s=$prevs&q=$var&catid=$catid'>Previous " .$limit. "</a></div>"; } // check to see if last page $slimit =$s+$limit; if (!($slimit >= $row_num_links_main) && $row_num_links_main!=0) { // not last page so display next link $n=$s+$limit; echo "<div align='right'><a href='$PHP_SELF?s=$n&q=$var&catid=$catid'>Next " .$limit. "</a></div>"; } } ?>