$hostname_logon = "localhost" ; $database_logon = "databaseName" ; $username_logon = "databaseUser" ; $password_logon = "databasePass" ; //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 = 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 $query = "SELECT * FROM tablename WHERE field1 LIKE \"%$trimm%\" OR field2 LIKE \"%$trimm%\" OR field3 LIKE \"%$trimm%\" ORDER BY field1 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{ $adid_array[] = $row[ 'fieldid' ]; }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; $i++; }
// now you can display the results returned. But first we will display the search form on the top of the page ?>
<?php // display what the person searched for. if( isset ($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 $query_value = "SELECT * FROM tablename WHERE fieldid = '$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[ 'field1' ] ); $linkhigh = preg_replace ( "'($var)'si" , "<b>\\1</b>" , $row_linkcat[ 'field2' ] ); $linkdesc = preg_replace ( "'($var)'si" , "<b>\\1</b>" , $row_linkcat[ 'field3' ] );
<?php } //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' $prevs=($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!=1) { // 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>"; } } } //end foreach $newarr ?>
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