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DataTables/examples/server_side/scripts/objects.php
Allan Jardine 7bec74c02f New - examples: Examples updated and restyled for DataTables 1.10
- Additional information and better layout for examples. See the src
  repo for more information.
2013-10-16 12:13:30 +01:00

117 lines
2.9 KiB
PHP

<?php
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Easy set variables
*/
// DB table to use
$table = 'datatables-demo';
// Table's primary key
$primaryKey = 'id';
// Array of database columns which should be read and sent back to DataTables.
// The `db` parameter represents the column name in the database, while the `dt`
// parameter represents the DataTables column identifier. In this case object
// parameter names
$columns = array(
array( 'db' => 'first_name', 'dt' => 'first_name' ),
array( 'db' => 'last_name', 'dt' => 'last_name' ),
array( 'db' => 'position', 'dt' => 'position' ),
array( 'db' => 'office', 'dt' => 'office' ),
array( 'db' => 'start_date', 'dt' => 'start_date' ),
array( 'db' => 'salary', 'dt' => 'salary' )
);
// SQL server connection information
$sql_details = array(
'user' => '',
'pass' => '',
'db' => '',
'host' => ''
);
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* If you just want to use the basic configuration for DataTables with PHP
* server-side, there is no need to edit below this line.
*
* It should be noted that this script could be made far more modular
*/
// REMOVE THIS BLOCK - used for DataTables test environment only!
$file = $_SERVER['DOCUMENT_ROOT'].'/datatables/mysql.php';
if ( is_file( $file ) ) {
include( $file );
}
require( 'ssp.class.php' );
$bindings = array();
$db = SSP::sql_connect( $sql_details );
// Build the SQL query string from the request
$limit = SSP::limit( $_GET, $columns );
$order = SSP::order( $_GET, $columns );
$where = SSP::filter( $_GET, $columns, $bindings );
// Main query to actually get the data
$data = SSP::sql_exec( $db, $bindings,
"SELECT SQL_CALC_FOUND_ROWS `".implode("`, `", SSP::pluck($columns, 'db'))."`
FROM `$table`
$where
$order
$limit"
);
// Data set length after filtering
$resFilterLength = SSP::sql_exec( $db,
"SELECT FOUND_ROWS()"
);
$recordsFiltered = $resFilterLength[0][0];
// Total data set length
$resTotalLength = SSP::sql_exec( $db,
"SELECT COUNT(`{$primaryKey}`)
FROM `$table`"
);
$recordsTotal = $resTotalLength[0][0];
/*
* Output
*/
$output = array(
"draw" => intval( $_GET['draw'] ),
"recordsTotal" => intval( $recordsTotal ),
"recordsFiltered" => intval( $recordsFiltered ),
"data" => array()
);
for ( $i=0, $ien=count($data) ; $i<$ien ; $i++ ) {
$row = array();
for ( $j=0, $jen=count($columns) ; $j<$jen ; $j++ ) {
$column = $columns[$j];
// Formatting of data for specific columns
switch ( $columns[$j]['db'] ) {
case 'salary':
$row[ $column['dt'] ] = '$'.number_format($data[$i]['salary']);
break;
case 'start_date':
$row[ $column['dt'] ] = date( 'jS M y', strtotime($data[$i]['start_date']));
break;
default:
$row[ $column['dt'] ] = $data[$i][ $columns[$j]['db'] ];
break;
}
}
$output['data'][] = $row;
}
echo json_encode( $output );