2018-01-26 15:50:15 +01:00

104 lines
2.7 KiB
PHP

<?php
function wp_statistics_export_data() {
global $WP_Statistics, $wpdb;
if ( ! isset( $_POST['table-to-export'] ) or ! isset( $_POST['export-file-type'] ) ) {
return;
}
$manage_cap = wp_statistics_validate_capability(
$WP_Statistics->get_option(
'manage_capability',
'manage_options'
)
);
if ( current_user_can( $manage_cap ) ) {
$table = $_POST['table-to-export'];
$type = $_POST['export-file-type'];
// Validate the table name the user passed to us.
if ( ! ( $table == "useronline" ||
$table == "visit" ||
$table == "visitor" ||
$table == "exclusions" ||
$table == "pages" ||
$table == "search" )
) {
$table = false;
}
// Validate the file type the user passed to us.
if ( ! ( $type == "xml" || $type == "csv" || $type == "tsv" ) ) {
$table = false;
}
if ( $table && $type ) {
require( WP_Statistics::$reg['plugin-dir'] . 'includes/github/elidickinson/php-export-data/php-export-data.class.php' );
$file_name = 'wp-statistics' . '-' . $WP_Statistics->Current_Date( 'Y-m-d-H-i' );
switch ( $type ) {
case 'xml':
$exporter = new ExportDataExcel( 'browser', "{$file_name}.xml" );
break;
case 'csv':
$exporter = new ExportDataCSV( 'browser', "{$file_name}.csv" );
break;
case 'tsv':
$exporter = new ExportDataTSV( 'browser', "{$file_name}.tsv" );
break;
}
$exporter->initialize();
// We need to limit the number of results we retrieve to ensure we don't run out of memory
$query_base = "SELECT * FROM {$wpdb->prefix}statistics_{$table}";
$query = $query_base . ' LIMIT 0,1000';
$i = 1;
$more_results = true;
$result = $wpdb->get_results( $query, ARRAY_A );
// If we didn't get any rows, don't output anything.
if ( count( $result ) < 1 ) {
echo "No data in table!";
exit;
}
if ( isset( $_POST['export-headers'] ) and $_POST['export-headers'] ) {
foreach ( $result[0] as $key => $col ) {
$columns[] = $key;
}
$exporter->addRow( $columns );
}
while ( $more_results ) {
foreach ( $result as $row ) {
$exporter->addRow( $row );
// Make sure we've flushed the output buffer so we don't run out of memory on large exports.
ob_flush();
flush();
}
unset( $result );
$wpdb->flush();
$query = $query_base . ' LIMIT ' . ( $i * 1000 ) . ',1000';
$result = $wpdb->get_results( $query, ARRAY_A );
if ( count( $result ) == 0 ) {
$more_results = false;
}
$i ++;
}
$exporter->finalize();
exit;
}
}
}