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7bec74c02f
- Additional information and better layout for examples. See the src repo for more information.
132 lines
3.4 KiB
PHP
132 lines
3.4 KiB
PHP
<?php
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/*
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* DataTables example server-side processing script.
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*
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* Please note that this script is intentionally extremely simply to show how
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* server-side processing can be implemented, and probably shouldn't be used as
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* the basis for a large complex system. It is suitable for simple use cases as
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* for learning.
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*
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* See http://datatables.net/usage/server-side for full details on the server-
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* side processing requirements of DataTables.
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*
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* @license MIT - http://datatables.net/license_mit
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*/
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Easy set variables
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*/
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// DB table to use
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$table = 'datatables-demo';
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// Table's primary key
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$primaryKey = 'id';
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// Array of database columns which should be read and sent back to DataTables.
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// The `db` parameter represents the column name in the database, while the `dt`
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// parameter represents the DataTables column identifier. In this case simple
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// indexes + the primary key column for the id
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$columns = array(
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array( 'db' => 'id', 'dt' => 'DT_RowId' ),
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array( 'db' => 'first_name', 'dt' => 0 ),
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array( 'db' => 'last_name', 'dt' => 1 ),
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array( 'db' => 'position', 'dt' => 2 ),
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array( 'db' => 'office', 'dt' => 3 ),
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array( 'db' => 'start_date', 'dt' => 4 ),
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array( 'db' => 'salary', 'dt' => 5 )
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);
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// SQL server connection information
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$sql_details = array(
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'user' => '',
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'pass' => '',
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'db' => '',
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'host' => ''
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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
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* server-side, there is no need to edit below this line.
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*
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* It should be noted that this script could be made far more modular
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*/
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// REMOVE THIS BLOCK - used for DataTables test environment only!
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$file = $_SERVER['DOCUMENT_ROOT'].'/datatables/mysql.php';
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if ( is_file( $file ) ) {
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include( $file );
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}
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require( 'ssp.class.php' );
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$bindings = array();
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$db = SSP::sql_connect( $sql_details );
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// Main query to actually get the data
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$limit = SSP::limit( $_GET, $columns );
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$order = SSP::order( $_GET, $columns );
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$where = SSP::filter( $_GET, $columns, $bindings );
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// Main query to actually get the data
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$data = SSP::sql_exec( $db, $bindings,
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"SELECT SQL_CALC_FOUND_ROWS `".implode("`, `", SSP::pluck($columns, 'db'))."`
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FROM `$table`
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$where
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$order
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$limit"
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);
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// Data set length after filtering
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$resFilterLength = SSP::sql_exec( $db,
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"SELECT FOUND_ROWS()"
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);
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$recordsFiltered = $resFilterLength[0][0];
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// Total data set length
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$resTotalLength = SSP::sql_exec( $db,
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"SELECT COUNT(`{$primaryKey}`)
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FROM `$table`"
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);
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$recordsTotal = $resTotalLength[0][0];
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/*
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* Output
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*/
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$output = array(
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"draw" => intval( $_GET['draw'] ),
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"recordsTotal" => intval( $recordsTotal ),
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"recordsFiltered" => intval( $recordsFiltered ),
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"data" => array()
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);
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for ( $i=0, $ien=count($data) ; $i<$ien ; $i++ ) {
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$row = array();
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for ( $j=0, $jen=count($columns) ; $j<$jen ; $j++ ) {
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$column = $columns[$j];
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// Formatting of data for specific columns
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switch ( $columns[$j]['db'] ) {
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case 'salary':
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$row[ $column['dt'] ] = '$'.number_format($data[$i]['salary']);
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break;
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case 'start_date':
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$row[ $column['dt'] ] = date( 'jS M y', strtotime($data[$i]['start_date']));
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break;
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default:
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$row[ $column['dt'] ] = $data[$i][ $columns[$j]['db'] ];
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break;
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}
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}
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$output['data'][] = $row;
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}
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echo json_encode( $output );
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