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< 
---
> 	$t_custom_columns = csv_get_custom_columns();
> 	
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< 
---
> 	foreach ($t_custom_columns as $c_column => $c_title ) {
> 		$t_titles[] = $c_title;
> 	}
> 	
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< 
---
> 		foreach ( $t_custom_columns as $cust_key => $cust_title ) {
> 			$t_values[] = custom_field_get_value( $cust_key, $row['id'] );
> 		}