SimpleXml tar.gz - simplexml

I'm using SimpleXml to parse xmls. Sadly I've approached XML zipped into tar.gz.
When i try to load this XML i get error
Warning: SimpleXMLElement::__construct() [simplexmlelement.--construct]: Entity: line 1: parser error : Start tag expected, '<' not found in /home/
Is there any way to work on tared file? If not how can untar this and work on it (it's 12 MB tared file on outside server)?
Kindest regards

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Neo.ClientError.Statement.ExternalResourceFailed on Windows

I just install neo4j 3.2.3 on my windows notebook and I try to load csv file.
LOAD CSV WITH HEADERS FROM 'file:///test.csv' AS line
WITH toUpper(line.TEST_NAME) AS TEST_NAME
CREATE(TEST);
I got the following error:
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I'm on windows 10 neo4j 3.2.3.
I can load from url. but with the same file format, I failed to load from local.
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AS line
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successful
with the same file save as .../Neo4j/default.graphdb/import/test1.csv
LOAD CSV WITH HEADERS FROM "file:///test1.csv" AS line
WITH line LIMIT 4
RETURN line
I got error:
Neo.ClientError.Statement.ExternalResourceFailed: Couldn't load the external resource at: file:/C:/Users/....../Documents/Neo4j/default.graphdb/import/test.csv
From the error message, it can locate the file. But cannot perform the LOAD from local.
I cannot locate the neo4j.conf or propriety files in the
default.graphdb directories.
According to the Neo4j docs, the neo4j.conf file is located in the directory <neo4j-home>\conf\neo4j.conf for zip packages and %APPDATA%\Neo4j Community Edition\neo4j.conf for desktop installation.
You should locate the configuration file and set the following line.
dbms.security.allow_csv_import_from_file_urls=true
The LOAD CSV operation in Neo4j can only load the UTF-8 format files, try to change the import file's format to UTF-8(save the .csv file as .csv(utf-8) type).

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