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lars |
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<?php
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require_once 'XML/Query2XML.php';
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require_once 'XML/Query2XML/Callback.php';
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require_once 'MDB2.php';
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/**Static class that provides validation and parsing methods for
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* generating XML.
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*
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* It is static so that we can easyly call its methods from inside
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* Query2XML using eval'd code.
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*/
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class Helper
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{
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/**Associative array of US postal state codes*/
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public static $statePostalCodes = array(
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'ALABAMA' => 'AL', 'ALASKA' => 'AK', 'AMERICAN SAMOA' => 'AS', 'ARIZONA' => 'AZ', 'ARKANSAS' => 'AR', 'CALIFORNIA' => 'CA',
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'COLORADO' => 'CO', 'CONNECTICUT' => 'CT', 'DELAWARE' => 'DE', 'DISTRICT OF COLUMBIA' => 'DC', 'FEDERATED STATES OF MICRONESIA' => 'FM',
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'FLORIDA' => 'FL', 'GEORGIA' => 'GA', 'GUAM' => 'GU', 'HAWAII' => 'HI', 'IDAHO' => 'ID', 'ILLINOIS' => 'IL', 'INDIANA' => 'IN',
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'IOWA' => 'IA', 'KANSAS' => 'KS', 'KENTUCKY' => 'KY', 'LOUISIANA' => 'LA', 'MAINE' => 'ME', 'MARSHALL ISLANDS' => 'MH', 'MARYLAND' => 'MD',
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'MASSACHUSETTS' => 'MA', 'MICHIGAN' => 'MI', 'MINNESOTA' => 'MN', 'MISSISSIPPI' => 'MS', 'MISSOURI' => 'MO', 'MONTANA' => 'MT',
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'NEBRASKA' => 'NE', 'NEVADA' => 'NV', 'NEW HAMPSHIRE' => 'NH', 'NEW JERSEY' => 'NJ', 'NEW JESEY' => 'NJ', 'NEW MEXICO' => 'NM', 'NEW YORK' => 'NY',
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'NORTH CAROLINA' => 'NC', 'NORTH DAKOTA' => 'ND', 'NORTHERN MARIANA ISLANDS' => 'MP', 'OHIO' => 'OH', 'OKLAHOMA' => 'OK', 'OREGON' => 'OR',
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'PALAU' => 'PW', 'PENNSYLVANIA' => 'PA', 'PUERTO RICO' => 'PR', 'RHODE ISLAND' => 'RI', 'SOUTH CAROLINA' => 'SC', 'SOUTH DAKOTA' => 'SD',
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'TENNESSEE' => 'TN', 'TEXAS' => 'TX', 'UTAH' => 'UT', 'VERMONT' => 'VT', 'VIRGIN ISLANDS' => 'VI', 'VIRGINIA' => 'VA', 'WASHINGTON' => 'WA',
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'WEST VIRGINIA' => 'WV', 'WISCONSIN' => 'WI', 'WYOMING' => 'WY'
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);
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/**Translates a US state name into its two-letter postal code.
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* If the translation fails, $state is returned unchanged
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* @param $record The record
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*/
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public static function getStatePostalCode($record)
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{
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$state = $record["state"];
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$s = str_replace(" ", " ", trim(strtoupper($state)));
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if (isset(self::$statePostalCodes[$s])) {
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return self::$statePostalCodes[$s];
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} else {
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return $state;
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}
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}
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function summarize($str, $limit=50, $appendString=' ...')
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{
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if (strlen($str) > $limit) {
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$str = substr($str, 0, $limit - strlen($appendString)) . $appendString;
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}
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return $str;
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}
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function summarizeComment($record, $limit)
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{
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return self::summarize($record["comment"], $limit);
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}
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}
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/**Command class that implements the command pattern.
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* It implements the XML_Query2XML_Callback interface
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* and therefore has to provide the public non-static
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* method execute(array $record).
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*/
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class UppercaseColumnCommand implements XML_Query2XML_Callback
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{
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public function __construct($columnName)
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{
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$this->_columnName = $columnName;
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}
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public function execute(array $record)
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{
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return strtoupper($record[$this->_columnName]);
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}
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}
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$query2xml = XML_Query2XML::factory(MDB2::factory('mysql://root@localhost/Query2XML_Tests'));
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$dom = $query2xml->getXML(
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"SELECT
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s.*,
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manager.employeeid AS manager_employeeid,
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manager.employeename AS manager_employeename,
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d.*,
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department_head.employeeid AS department_head_employeeid,
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department_head.employeename AS department_head_employeename,
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e.*,
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sa.*,
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c.*,
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al.*,
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ar.*,
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(SELECT COUNT(*) FROM sale WHERE sale.store_id = s.storeid) AS store_sales,
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(SELECT
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COUNT(*)
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FROM
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sale, employee, employee_department
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WHERE
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sale.employee_id = employee.employeeid
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AND
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employee_department.employee_id = employee.employeeid
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AND
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employee_department.department_id = d.departmentid
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) AS department_sales,
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(SELECT
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COUNT(*)
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FROM
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employee, employee_department, department
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WHERE
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employee_department.employee_id = employee.employeeid
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AND
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employee_department.department_id = department.departmentid
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AND
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department.store_id = s.storeid
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) AS store_employees,
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(SELECT
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COUNT(*)
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FROM
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employee, employee_department
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WHERE
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employee_department.employee_id = employee.employeeid
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AND
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employee_department.department_id = d.departmentid
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) AS department_employees
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FROM
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store s
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LEFT JOIN employee manager ON s.manager = manager.employeeid
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LEFT JOIN department d ON d.store_id = s.storeid
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LEFT JOIN employee department_head ON department_head.employeeid = d.department_head
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LEFT JOIN employee_department ed ON ed.department_id = d.departmentid
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LEFT JOIN employee e ON e.employeeid = ed.employee_id
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LEFT JOIN sale sa ON sa.employee_id = e.employeeid
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LEFT JOIN customer c ON c.customerid = sa.customer_id
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LEFT JOIN album al ON al.albumid = sa.album_id
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LEFT JOIN artist ar ON ar.artistid = al.artist_id
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ORDER BY
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s.storeid,
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manager.employeeid,
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d.departmentid,
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department_head.employeeid,
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ed.employee_id,
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ed.department_id,
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e.employeeid,
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sa.saleid,
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c.customerid,
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al.albumid,
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ar.artistid",
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array(
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'rootTag' => 'music_company',
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'rowTag' => 'store',
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'idColumn' => 'storeid',
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'attributes' => array(
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'storeid'
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),
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'elements' => array(
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'store_sales',
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'store_employees',
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'manager' => array(
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'idColumn' => 'manager_employeeid',
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'attributes' => array(
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'manager_employeeid'
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),
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'elements' => array(
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'manager_employeename'
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)
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),
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'address' => array(
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'elements' => array(
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'country',
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'state' => '#Helper::getStatePostalCode()',
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'city' => new UppercaseColumnCommand('city'),
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'street',
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'phone'
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)
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),
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'department' => array(
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'idColumn' => 'departmentid',
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'attributes' => array(
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'departmentid'
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),
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'elements' => array(
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'department_sales',
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'department_employees',
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'departmentname',
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'department_head' => array(
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'idColumn' => 'department_head_employeeid',
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'attributes' => array(
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'department_head_employeeid'
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),
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'elements' => array(
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'department_head_employeename'
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)
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),
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'employees' => array(
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'rootTag' => 'employees',
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'rowTag' => 'employee',
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'idColumn' => 'employeeid',
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'attributes' => array(
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'employeeid'
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),
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'elements' => array(
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'employeename',
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'sales' => array(
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'rootTag' => 'sales',
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'rowTag' => 'sale',
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'idColumn' => 'saleid',
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'attributes' => array(
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'saleid'
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),
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'elements' => array(
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'timestamp',
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'customer' => array(
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'idColumn' => 'customerid',
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'attributes' => array(
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'customerid'
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),
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'elements' => array(
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'first_name',
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'last_name',
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'email'
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)
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),
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'album' => array(
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'idColumn' => 'albumid',
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'attributes' => array(
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'albumid'
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),
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'elements' => array(
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'title',
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'published_year',
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'comment' => '?#Helper::summarizeComment(12)',
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'artist' => array(
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'idColumn' => 'artistid',
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'attributes' => array(
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'artistid'
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),
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'elements' => array(
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'name',
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'birth_year',
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'birth_place',
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'genre'
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)
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)
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) // album elements
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) //album array
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) //sales elements
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) //sales array
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) //employees elements
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) //employees array
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) //department elements
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) // department array
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) //root elements
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) //root
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); //getXML method call
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$root = $dom->firstChild;
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$root->setAttribute('date_generated', '2005-08-23T14:52:50');
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header('Content-Type: application/xml');
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$dom->formatOutput = true;
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print $dom->saveXML();
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?>
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