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<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* CSV export code
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*
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* @package PhpMyAdmin-Export
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* @subpackage CSV
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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/* Get the export interface */
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require_once 'libraries/plugins/ExportPlugin.class.php';
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/**
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* Handles the export for the CSV format
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*
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* @package PhpMyAdmin-Export
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* @subpackage CSV
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*/
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class ExportCsv extends ExportPlugin
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{
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/**
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* Constructor
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*/
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public function __construct()
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{
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$this->setProperties();
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}
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/**
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* Sets the export CSV properties
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*
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* @return void
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*/
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protected function setProperties()
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{
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$props = 'libraries/properties/';
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include_once "$props/plugins/ExportPluginProperties.class.php";
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include_once "$props/options/groups/OptionsPropertyRootGroup.class.php";
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include_once "$props/options/groups/OptionsPropertyMainGroup.class.php";
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include_once "$props/options/items/TextPropertyItem.class.php";
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include_once "$props/options/items/BoolPropertyItem.class.php";
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include_once "$props/options/items/HiddenPropertyItem.class.php";
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$exportPluginProperties = new ExportPluginProperties();
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$exportPluginProperties->setText('CSV');
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$exportPluginProperties->setExtension('csv');
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$exportPluginProperties->setMimeType('text/comma-separated-values');
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$exportPluginProperties->setOptionsText(__('Options'));
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// create the root group that will be the options field for
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// $exportPluginProperties
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// this will be shown as "Format specific options"
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$exportSpecificOptions = new OptionsPropertyRootGroup();
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$exportSpecificOptions->setName("Format Specific Options");
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// general options main group
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$generalOptions = new OptionsPropertyMainGroup();
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$generalOptions->setName("general_opts");
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// create leaf items and add them to the group
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$leaf = new TextPropertyItem();
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$leaf->setName("separator");
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$leaf->setText(__('Columns separated with:'));
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$generalOptions->addProperty($leaf);
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$leaf = new TextPropertyItem();
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$leaf->setName("enclosed");
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$leaf->setText(__('Columns enclosed with:'));
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$generalOptions->addProperty($leaf);
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$leaf = new TextPropertyItem();
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$leaf->setName("escaped");
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$leaf->setText(__('Columns escaped with:'));
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$generalOptions->addProperty($leaf);
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$leaf = new TextPropertyItem();
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$leaf->setName("terminated");
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$leaf->setText(__('Lines terminated with:'));
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$generalOptions->addProperty($leaf);
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$leaf = new TextPropertyItem();
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$leaf->setName('null');
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$leaf->setText(__('Replace NULL with:'));
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$generalOptions->addProperty($leaf);
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$leaf = new BoolPropertyItem();
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$leaf->setName('removeCRLF');
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$leaf->setText(
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__('Remove carriage return/line feed characters within columns')
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);
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$generalOptions->addProperty($leaf);
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$leaf = new BoolPropertyItem();
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$leaf->setName('columns');
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$leaf->setText(__('Put columns names in the first row'));
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$generalOptions->addProperty($leaf);
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$leaf = new HiddenPropertyItem();
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$leaf->setName('structure_or_data');
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$generalOptions->addProperty($leaf);
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// add the main group to the root group
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$exportSpecificOptions->addProperty($generalOptions);
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// set the options for the export plugin property item
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$exportPluginProperties->setOptions($exportSpecificOptions);
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$this->properties = $exportPluginProperties;
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}
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/**
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* This method is called when any PluginManager to which the observer
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* is attached calls PluginManager::notify()
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*
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* @param SplSubject $subject The PluginManager notifying the observer
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* of an update.
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*
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* @return void
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*/
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public function update (SplSubject $subject)
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{
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}
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/**
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* Outputs export header
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*
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* @return bool Whether it succeeded
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*/
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public function exportHeader ()
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{
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global $what, $csv_terminated, $csv_separator, $csv_enclosed, $csv_escaped;
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// Here we just prepare some values for export
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if ($what == 'excel') {
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$csv_terminated = "\015\012";
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switch($GLOBALS['excel_edition']) {
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case 'win':
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// as tested on Windows with Excel 2002 and Excel 2007
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$csv_separator = ';';
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break;
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case 'mac_excel2003':
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$csv_separator = ';';
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break;
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case 'mac_excel2008':
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$csv_separator = ',';
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break;
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}
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$csv_enclosed = '"';
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$csv_escaped = '"';
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if (isset($GLOBALS['excel_columns'])) {
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$GLOBALS['csv_columns'] = 'yes';
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}
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} else {
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if (empty($csv_terminated) || strtolower($csv_terminated) == 'auto') {
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$csv_terminated = $GLOBALS['crlf'];
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} else {
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$csv_terminated = str_replace('\\r', "\015", $csv_terminated);
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$csv_terminated = str_replace('\\n', "\012", $csv_terminated);
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$csv_terminated = str_replace('\\t', "\011", $csv_terminated);
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} // end if
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$csv_separator = str_replace('\\t', "\011", $csv_separator);
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}
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return true;
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}
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/**
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* Outputs export footer
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*
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* @return bool Whether it succeeded
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*/
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public function exportFooter ()
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{
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return true;
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}
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/**
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* Outputs database header
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*
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* @param string $db Database name
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*
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* @return bool Whether it succeeded
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*/
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public function exportDBHeader ($db)
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{
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return true;
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}
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/**
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* Outputs database footer
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*
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* @param string $db Database name
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*
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* @return bool Whether it succeeded
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*/
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public function exportDBFooter ($db)
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{
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return true;
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}
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/**
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* Outputs CREATE DATABASE statement
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*
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* @param string $db Database name
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*
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* @return bool Whether it succeeded
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*/
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public function exportDBCreate($db)
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{
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return true;
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}
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/**
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* Outputs the content of a table in CSV format
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*
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* @param string $db database name
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* @param string $table table name
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* @param string $crlf the end of line sequence
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* @param string $error_url the url to go back in case of error
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* @param string $sql_query SQL query for obtaining data
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*
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* @return bool Whether it succeeded
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*/
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public function exportData($db, $table, $crlf, $error_url, $sql_query)
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{
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global $what, $csv_terminated, $csv_separator, $csv_enclosed, $csv_escaped;
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// Gets the data from the database
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$result = $GLOBALS['dbi']->query(
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$sql_query, null, PMA_DatabaseInterface::QUERY_UNBUFFERED
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);
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$fields_cnt = $GLOBALS['dbi']->numFields($result);
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// If required, get fields name at the first line
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if (isset($GLOBALS['csv_columns'])) {
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$schema_insert = '';
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for ($i = 0; $i < $fields_cnt; $i++) {
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if ($csv_enclosed == '') {
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$schema_insert .= stripslashes(
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$GLOBALS['dbi']->fieldName($result, $i)
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);
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} else {
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$schema_insert .= $csv_enclosed
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. str_replace(
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$csv_enclosed,
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$csv_escaped . $csv_enclosed,
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stripslashes($GLOBALS['dbi']->fieldName($result, $i))
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)
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. $csv_enclosed;
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}
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$schema_insert .= $csv_separator;
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} // end for
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$schema_insert = trim(substr($schema_insert, 0, -1));
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if (! PMA_exportOutputHandler($schema_insert . $csv_terminated)) {
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return false;
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}
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} // end if
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// Format the data
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while ($row = $GLOBALS['dbi']->fetchRow($result)) {
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$schema_insert = '';
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for ($j = 0; $j < $fields_cnt; $j++) {
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if (! isset($row[$j]) || is_null($row[$j])) {
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$schema_insert .= $GLOBALS[$what . '_null'];
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} elseif ($row[$j] == '0' || $row[$j] != '') {
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// always enclose fields
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if ($what == 'excel') {
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$row[$j] = preg_replace("/\015(\012)?/", "\012", $row[$j]);
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}
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// remove CRLF characters within field
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if (isset($GLOBALS[$what . '_removeCRLF'])
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&& $GLOBALS[$what . '_removeCRLF']
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) {
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$row[$j] = str_replace(
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"\n",
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"",
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str_replace(
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"\r",
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"",
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$row[$j]
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)
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);
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}
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if ($csv_enclosed == '') {
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$schema_insert .= $row[$j];
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} else {
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// also double the escape string if found in the data
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if ($csv_escaped != $csv_enclosed) {
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$schema_insert .= $csv_enclosed
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. str_replace(
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$csv_enclosed,
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$csv_escaped . $csv_enclosed,
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str_replace(
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$csv_escaped,
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$csv_escaped . $csv_escaped,
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$row[$j]
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)
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)
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. $csv_enclosed;
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} else {
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// avoid a problem when escape string equals enclose
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$schema_insert .= $csv_enclosed
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. str_replace(
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$csv_enclosed,
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$csv_escaped . $csv_enclosed,
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$row[$j]
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)
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. $csv_enclosed;
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}
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}
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} else {
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$schema_insert .= '';
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}
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if ($j < $fields_cnt-1) {
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$schema_insert .= $csv_separator;
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}
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} // end for
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if (! PMA_exportOutputHandler($schema_insert . $csv_terminated)) {
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return false;
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}
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} // end while
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$GLOBALS['dbi']->freeResult($result);
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return true;
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}
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}
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?>
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