|
| 1 | +<?php |
| 2 | + |
| 3 | +function show_search_form(){ |
| 4 | + if($_GET['keywords']){ |
| 5 | + $value = "value=\"" . htmlentities($_GET['keywords']) ."\""; |
| 6 | + }else{ |
| 7 | + $value = ''; |
| 8 | + } |
| 9 | + $search_form = ' |
| 10 | + <form method="get" id="header_search_form" action="search"> |
| 11 | + <input type="search" class="menu_link" name="keywords" placeholder="Search" ' . $value . ' required> |
| 12 | + <input type="submit" value="GO" class="menu_link"> |
| 13 | + </form>'; |
| 14 | + |
| 15 | + return $search_form; |
| 16 | + } |
| 17 | + |
| 18 | +function show_search(){ |
| 19 | + |
| 20 | + if($_GET['keywords']){ |
| 21 | + global $DB; |
| 22 | + |
| 23 | + # configure search engine |
| 24 | + |
| 25 | + # Set which table to look in |
| 26 | + $table = "pages"; |
| 27 | + |
| 28 | + # Set which of the feilds in that table should be searched |
| 29 | + $look_in = array('id','title','description','category','url','content','keywords'); |
| 30 | + |
| 31 | + # Set which fields results should be ranked by (a filed that is encluded twice will be given twice the ranking weight) |
| 32 | + $rank_by = array('title', 'title', 'description','url'); |
| 33 | + |
| 34 | + # Create the search object. |
| 35 | + $search = new search($_GET['keywords'],$table, $look_in, $rank_by); |
| 36 | + |
| 37 | + # Optionally set search to match any keyword instead of all keywords |
| 38 | + $search->settings['greedy'] = true; |
| 39 | + |
| 40 | + # Optionally set reqired conditions. |
| 41 | + # For example you could have a categories drop down in on your search page and pass the results to this method. |
| 42 | + # Or set the field to 'status' and the value to 'active' to only show items that are set to active in the database. |
| 43 | + # $search->set_required_conditions($field, $value); |
| 44 | + |
| 45 | + # Optionally set a custom sort |
| 46 | + # Can be used to sort results by date or alphebetically rather then by relevence. (Second argument is optional and defults to SORT_ASC.) |
| 47 | + # $search->set_sortby('date', SORT_DESC); |
| 48 | + |
| 49 | + # Return results formated as html edit the show_search_result_block() method to customize what fields are shown and how. |
| 50 | + # This urrently uses the photosynthesis paginate class to handle mutiple pages of results. That could be removed or swapped for your favorite pagenator. |
| 51 | + $search_results_html = $search->get_results_html(); |
| 52 | + |
| 53 | + # Alternatly return an array of ids instead |
| 54 | + # Set the field to use. |
| 55 | + $search->settings['id_field'] = 'id'; |
| 56 | + |
| 57 | + # Get a sorted single level array matching ids. |
| 58 | + $ids = $search->get_results_ids(); |
| 59 | + |
| 60 | + # The get_results_message() method returns a formatted message about how many results were found |
| 61 | + $out .= "<span class=\"small\">Found " . $search->get_results_message() ."</span> <br /><br />"; |
| 62 | + $out .= $search_results; |
| 63 | + |
| 64 | + }else{ |
| 65 | + $out = "Please type what you would like to find in the search box at the upper right of the page."; |
| 66 | + } |
| 67 | + |
| 68 | + return $out; |
| 69 | +} |
| 70 | + |
| 71 | +?> |
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