PHP getenv Get IP address function

function get_ip_address() {
    $ip_address = '';
    if (getenv('HTTP_CLIENT_IP'))
      $ip_address = getenv('HTTP_CLIENT_IP');
    else if(getenv('HTTP_X_FORWARDED_FOR'))
      $ip_address = getenv('HTTP_X_FORWARDED_FOR');
    else if(getenv('HTTP_X_FORWARDED'))
      $ip_address = getenv('HTTP_X_FORWARDED');
    else if(getenv('HTTP_FORWARDED_FOR'))
      $ip_address = getenv('HTTP_FORWARDED_FOR');
    else if(getenv('HTTP_FORWARDED'))
      $ip_address = getenv('HTTP_FORWARDED');
    else if(getenv('REMOTE_ADDR'))
      $ip_address = getenv('REMOTE_ADDR');
    else
      $ip_address = 'UNKNOWN';

    return $ip_address; 
  }




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XML XSD Schema to Java Bindings

XML Schema Type	Java Data Type
xsd:string	java.lang.String
xsd:integer	java.math.BigInteger
xsd:int	int
xsd.long	long
xsd:short	short
xsd:decimal	java.math.BigDecimal
xsd:float	float
xsd:double	double
xsd:boolean	boolean
xsd:byte	byte
xsd:QName	javax.xml.namespace.QName
xsd:dateTime	javax.xml.datatype.XMLGregorianCalendar
xsd:base64Binary	byte[]
xsd:hexBinary	byte[]
xsd:unsignedInt	long
xsd:unsignedShort	int
xsd:unsignedByte	short
xsd:time	javax.xml.datatype.XMLGregorianCalendar
xsd:date	javax.xml.datatype.XMLGregorianCalendar
xsd:g	javax.xml.datatype.XMLGregorianCalendar
xsd:anySimpleType	java.lang.Object
xsd:anySimpleType	java.lang.String
xsd:duration	javax.xml.datatype.Duration
xsd:NOTATION	javax.xml.namespace.QName

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