a link on the exhibit documentation wiki could be helpful.
On 5/18/2011 6:37 PM, Jon Bogacki wrote:
Hi Everyone,
I have posted a PHP script that will return Exhbit formatted JSON from
a MySQL database, I figure that some people will find it useful!
See:
http://www.jonbogacki.com/2011/05/how-to-use-exhibit-with-a-mysql-database/
<?php
/*
* Script: Exhibit JSON server-side script for PHP and MySQL
*/
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* * * * * * *
* Easy set variables
*/
/* Database connection information */
$gaSql['user'] = "YourUsername";
$gaSql['password'] = "YourPassword";
$gaSql['db'] = "YourDatabase";
$gaSql['server'] = "YourSQLServer";
/* DB table to use */
$sTable = "YourDataTable";
/* Indexed column (Primary Key column or similar) */
$sIndexColumn = "YourIDColumn";
/* Array of database columns which should be read and sent back to Exhibit in
JSON form. */
$aColumns = array( 'Column1_label', 'Column2', 'Column3', 'Column4');
/* Exhibit requires that each item have a "label" and/or an "id" field.
* Set the below variables to identify which columns are your "label" and/or
"id" fields
* (or leave them blank if your columns are named correctly)
*/
$item_id = '';
$item_label = 'Column1_label';
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* * * * * * *
* No need it edit below this line:D
*/
/*
* MySQL connection
*/
$gaSql['link'] = mysql_pconnect( $gaSql['server'], $gaSql['user'],
$gaSql['password'] ) or
die( 'Could not open connection to server' );
mysql_select_db( $gaSql['db'], $gaSql['link'] ) or
die( 'Could not select database '. $gaSql['db'] );
/*
* SQL queries
* Get data to display
*/
$sQuery = "
SELECT SQL_CALC_FOUND_ROWS ".str_replace(" , ", " ", implode(", ",
$aColumns))."
FROM $sTable
";
$rResult = mysql_query( $sQuery, $gaSql['link'] ) or die(mysql_error());
/* Data set length after filtering */
$sQuery = "
SELECT FOUND_ROWS()
";
$rResultFilterTotal = mysql_query( $sQuery, $gaSql['link'] ) or
die(mysql_error());
$aResultFilterTotal = mysql_fetch_array($rResultFilterTotal);
$iFilteredTotal = $aResultFilterTotal[0];
/* Total data set length */
$sQuery = "
SELECT COUNT(".$sIndexColumn.")
FROM $sTable
";
/*
* Output
*/
$output = array(
"items" => array()
);
while ( $aRow = mysql_fetch_array( $rResult ) )
{
$row = array();
for ( $i=0 ; $i<count($aColumns) ; $i++ )
{
if ( $aColumns[$i] == $item_label )
{
$row["label"] = $aRow[ $aColumns[$i] ];
}
else if ( $aColumns[$i] == $item_id )
{
$row["id"] = $aRow[ $aColumns[$i] ];
}
else
{
$row[$aColumns[$i]] = $aRow[ $aColumns[$i] ];
}
}
$output['items'][] = $row;
}
echo json_encode( $output );
?>
Eagerly awaiting the first version of Exhibit 3 to play with - keep up
the good work MIT!
Jon
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