require-checker-config.json

{
    "symbol-whitelist" : [
      "null", "true", "false",
      "static", "self", "parent",
      "array", "string", "int", "float", "bool", "iterable", "callable", "void", "object",
      "SoapClient", "SOAP_1_1", "SOAP_1_2", "SOAP_FUNCTIONS_ALL", "SOAP_PERSISTENCE_SESSION", "SOAP_PERSISTENCE_REQUEST",
      "SoapServer", "SoapFault", "SOAP_RPC", "SOAP_DOCUMENT", "SOAP_ENCODED", "SOAP_LITERAL", "SoapHeader",
      "DOMDocument", "DOMNode", "DOMElement", "DOMDocumentFragment",
      "SimpleXMLElement"
    ]
}