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<?php |
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
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* Easy set variables |
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*/ |
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|
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/* Array of database columns which should be read and sent back to DataTables. Use a space where |
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* you want to insert a non-database field (for example a counter or static image) |
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*/ |
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$aColumns = array( 'engine', 'browser', 'platform', 'version', 'grade' ); |
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|
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/* Indexed column (used for fast and accurate table cardinality) */ |
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$sIndexColumn = "id"; |
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|
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/* DB table to use */ |
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$sTable = "ajax"; |
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|
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/* Database connection information */ |
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$gaSql['user'] = ""; |
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$gaSql['password'] = ""; |
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$gaSql['db'] = ""; |
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$gaSql['server'] = "localhost"; |
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|
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/* REMOVE THIS LINE (it just includes my SQL connection user/pass) */ |
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include( $_SERVER['DOCUMENT_ROOT']."/datatables/mysql.php" ); |
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|
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|
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
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* If you just want to use the basic configuration for DataTables with PHP server-side, there is |
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* no need to edit below this line |
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*/ |
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|
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/* |
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* Local functions |
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*/ |
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function fatal_error ( $sErrorMessage = '' ) |
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{ |
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header( $_SERVER['SERVER_PROTOCOL'] .' 500 Internal Server Error' ); |
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die( $sErrorMessage ); |
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} |
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|
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|
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/* |
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* MySQL connection |
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*/ |
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if ( ! $gaSql['link'] = mysql_pconnect( $gaSql['server'], $gaSql['user'], $gaSql['password'] ) ) |
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{ |
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fatal_error( 'Could not open connection to server' ); |
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} |
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|
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if ( ! mysql_select_db( $gaSql['db'], $gaSql['link'] ) ) |
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{ |
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fatal_error( 'Could not select database ' ); |
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} |
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|
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/* |
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* Paging |
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*/ |
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$sLimit = ""; |
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if ( isset( $_GET['iDisplayStart'] ) && $_GET['iDisplayLength'] != '-1' ) |
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{ |
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$sLimit = "LIMIT ".intval( $_GET['iDisplayStart'] ).", ". |
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intval( $_GET['iDisplayLength'] ); |
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} |
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|
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|
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/* |
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* Ordering |
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*/ |
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$sOrder = ""; |
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if ( isset( $_GET['iSortCol_0'] ) ) |
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{ |
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$sOrder = "ORDER BY "; |
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for ( $i=0 ; $i<intval( $_GET['iSortingCols'] ) ; $i++ ) |
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{ |
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if ( $_GET[ 'bSortable_'.intval($_GET['iSortCol_'.$i]) ] == "true" ) |
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{ |
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$sOrder .= "`".$aColumns[ intval( $_GET['iSortCol_'.$i] ) ]."` ". |
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($_GET['sSortDir_'.$i]==='asc' ? 'asc' : 'desc') .", "; |
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} |
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} |
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|
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$sOrder = substr_replace( $sOrder, "", -2 ); |
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if ( $sOrder == "ORDER BY" ) |
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{ |
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$sOrder = ""; |
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} |
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} |
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|
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|
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/* |
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* Filtering |
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* NOTE this does not match the built-in DataTables filtering which does it |
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* word by word on any field. It's possible to do here, but concerned about efficiency |
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* on very large tables, and MySQL's regex functionality is very limited |
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*/ |
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$sWhere = ""; |
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if ( isset($_GET['sSearch']) && $_GET['sSearch'] != "" ) |
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{ |
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$sWhere = "WHERE ("; |
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for ( $i=0 ; $i<count($aColumns) ; $i++ ) |
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{ |
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if ( isset($_GET['bSearchable_'.$i]) && $_GET['bSearchable_'.$i] == "true" ) |
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{ |
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$sWhere .= "`".$aColumns[$i]."` LIKE '%".mysql_real_escape_string( $_GET['sSearch'] )."%' OR "; |
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} |
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} |
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$sWhere = substr_replace( $sWhere, "", -3 ); |
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$sWhere .= ')'; |
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} |
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|
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/* Individual column filtering */ |
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for ( $i=0 ; $i<count($aColumns) ; $i++ ) |
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{ |
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if ( isset($_GET['bSearchable_'.$i]) && $_GET['bSearchable_'.$i] == "true" && $_GET['sSearch_'.$i] != '' ) |
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{ |
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if ( $sWhere == "" ) |
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{ |
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$sWhere = "WHERE "; |
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} |
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else |
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{ |
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$sWhere .= " AND "; |
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} |
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$sWhere .= "`".$aColumns[$i]."` LIKE '%".mysql_real_escape_string($_GET['sSearch_'.$i])."%' "; |
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} |
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} |
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|
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|
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/* |
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* SQL queries |
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* Get data to display |
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*/ |
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$sQuery = " |
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SELECT SQL_CALC_FOUND_ROWS `".str_replace(" , ", " ", implode("`, `", $aColumns))."` |
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FROM $sTable |
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$sWhere |
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$sOrder |
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$sLimit |
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"; |
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$rResult = mysql_query( $sQuery, $gaSql['link'] ) or fatal_error( 'MySQL Error: ' . mysql_errno() ); |
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|
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/* Data set length after filtering */ |
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$sQuery = " |
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SELECT FOUND_ROWS() |
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"; |
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$rResultFilterTotal = mysql_query( $sQuery, $gaSql['link'] ) or fatal_error( 'MySQL Error: ' . mysql_errno() ); |
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$aResultFilterTotal = mysql_fetch_array($rResultFilterTotal); |
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$iFilteredTotal = $aResultFilterTotal[0]; |
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|
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/* Total data set length */ |
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$sQuery = " |
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SELECT COUNT(`".$sIndexColumn."`) |
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FROM $sTable |
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"; |
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$rResultTotal = mysql_query( $sQuery, $gaSql['link'] ) or fatal_error( 'MySQL Error: ' . mysql_errno() ); |
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$aResultTotal = mysql_fetch_array($rResultTotal); |
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$iTotal = $aResultTotal[0]; |
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|
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|
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/* |
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* Output |
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*/ |
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$output = array( |
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"sEcho" => intval($_GET['sEcho']), |
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"iTotalRecords" => $iTotal, |
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"iTotalDisplayRecords" => $iFilteredTotal, |
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"aaData" => array() |
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); |
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|
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while ( $aRow = mysql_fetch_array( $rResult ) ) |
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{ |
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$row = array(); |
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for ( $i=0 ; $i<count($aColumns) ; $i++ ) |
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{ |
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if ( $aColumns[$i] == "version" ) |
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{ |
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/* Special output formatting for 'version' column */ |
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$row[] = ($aRow[ $aColumns[$i] ]=="0") ? '-' : $aRow[ $aColumns[$i] ]; |
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} |
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else if ( $aColumns[$i] != ' ' ) |
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{ |
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/* General output */ |
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$row[] = $aRow[ $aColumns[$i] ]; |
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} |
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} |
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$output['aaData'][] = $row; |
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} |
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|
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echo json_encode( $output ); |
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?> |
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