I need to take in XML and validate it against a schema file. Afterward i must call a function based on the command (example updateContactList). What is the best way to do this? I am worried about validating the XML (and report errors) and i have no idea what is the best way to put the data into a function to run
-edit- NOTE: By validating the schema i need to validate the (regex) pattern. It would be great if i can call a function with the XML and schema and have it return false + error msg or true
I'm not sure what you mean by regex pattern? The most common way to validate an XML document is trough an XSD . You can use DomDocument->schemaValidate
for this:
$doc = new DOMDocument();
$doc->load($tempFile);
$doc->schemaValidate('schema.xsd');
There is also the corresponding DomDocument->relaxNGValidate
for validating against the lesser used RelaxNG schema.
You may also want to use the error-handler functions for libxml , if you plan on capturing the errors and doing something about them, rather than just validate true or false. In essence, call libxml_use_internal_errors(true);
before loading and validating the document, and use libxml_get_errors
and display_xml_error
to fetch the errors.
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