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