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nusoap.php
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<?php
/*
$Id: nusoap.php,v 1.124 2010/04/26 20:15:08 snichol Exp $
NuSOAP - Web Services Toolkit for PHP
Copyright (c) 2002 NuSphere Corporation
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
The NuSOAP project home is:
http://sourceforge.net/projects/nusoap/
The primary support for NuSOAP is the Help forum on the project home page.
If you have any questions or comments, please email:
Dietrich Ayala
http://dietrich.ganx4.com/nusoap
NuSphere Corporation
http://www.nusphere.com
*/
/*
* Some of the standards implmented in whole or part by NuSOAP:
*
* SOAP 1.1 (http://www.w3.org/TR/2000/NOTE-SOAP-20000508/)
* WSDL 1.1 (http://www.w3.org/TR/2001/NOTE-wsdl-20010315)
* SOAP Messages With Attachments (http://www.w3.org/TR/SOAP-attachments)
* XML 1.0 (http://www.w3.org/TR/2006/REC-xml-20060816/)
* Namespaces in XML 1.0 (http://www.w3.org/TR/2006/REC-xml-names-20060816/)
* XML Schema 1.0 (http://www.w3.org/TR/xmlschema-0/)
* RFC 2045 Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
* RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1
* RFC 2617 HTTP Authentication: Basic and Digest Access Authentication
*/
/* load classes
// necessary classes
require_once('class.soapclient.php');
require_once('class.soap_val.php');
require_once('class.soap_parser.php');
require_once('class.soap_fault.php');
// transport classes
require_once('class.soap_transport_http.php');
// optional add-on classes
require_once('class.xmlschema.php');
require_once('class.wsdl.php');
// server class
require_once('class.soap_server.php');*/
// class variable emulation
// cf. http://www.webkreator.com/php/techniques/php-static-class-variables.html
$GLOBALS['_transient']['static']['nusoap_base']['globalDebugLevel'] = 9;
/**
*
* nusoap_base
*
* @author Dietrich Ayala <[email protected]>
* @author Scott Nichol <[email protected]>
* @version $Id: nusoap.php,v 1.123 2010/04/26 20:15:08 snichol Exp $
* @access public
*/
class nusoap_base
{
/**
* Identification for HTTP headers.
*
* @var string
* @access private
*/
var $title = 'NuSOAP';
/**
* Version for HTTP headers.
*
* @var string
* @access private
*/
var $version = '0.9.11';
/**
* CVS revision for HTTP headers.
*
* @var string
* @access private
*/
var $revision = '$Revision: 1.123 $';
/**
* Current error string (manipulated by getError/setError)
*
* @var string
* @access private
*/
var $error_str = '';
/**
* Current debug string (manipulated by debug/appendDebug/clearDebug/getDebug/getDebugAsXMLComment)
*
* @var string
* @access private
*/
var $debug_str = '';
/**
* toggles automatic encoding of special characters as entities
* (should always be true, I think)
*
* @var boolean
* @access private
*/
var $charencoding = true;
/**
* the debug level for this instance
*
* @var integer
* @access private
*/
var $debugLevel;
/**
* set schema version
*
* @var string
* @access public
*/
var $XMLSchemaVersion = 'http://www.w3.org/2001/XMLSchema';
/**
* charset encoding for outgoing messages
*
* @var string
* @access public
*/
var $soap_defencoding = 'ISO-8859-1';
//var $soap_defencoding = 'UTF-8';
/**
* namespaces in an array of prefix => uri
*
* this is "seeded" by a set of constants, but it may be altered by code
*
* @var array
* @access public
*/
var $namespaces = array(
'SOAP-ENV' => 'http://schemas.xmlsoap.org/soap/envelope/',
'xsd' => 'http://www.w3.org/2001/XMLSchema',
'xsi' => 'http://www.w3.org/2001/XMLSchema-instance',
'SOAP-ENC' => 'http://schemas.xmlsoap.org/soap/encoding/'
);
/**
* namespaces used in the current context, e.g. during serialization
*
* @var array
* @access private
*/
var $usedNamespaces = array();
/**
* XML Schema types in an array of uri => (array of xml type => php type)
* is this legacy yet?
* no, this is used by the nusoap_xmlschema class to verify type => namespace mappings.
*
* @var array
* @access public
*/
var $typemap = array(
'http://www.w3.org/2001/XMLSchema' => array(
'string' => 'string', 'boolean' => 'boolean', 'float' => 'double', 'double' => 'double', 'decimal' => 'double',
'duration' => '', 'dateTime' => 'string', 'time' => 'string', 'date' => 'string', 'gYearMonth' => '',
'gYear' => '', 'gMonthDay' => '', 'gDay' => '', 'gMonth' => '', 'hexBinary' => 'string', 'base64Binary' => 'string',
// abstract "any" types
'anyType' => 'string', 'anySimpleType' => 'string',
// derived datatypes
'normalizedString' => 'string', 'token' => 'string', 'language' => '', 'NMTOKEN' => '', 'NMTOKENS' => '', 'Name' => '', 'NCName' => '', 'ID' => '',
'IDREF' => '', 'IDREFS' => '', 'ENTITY' => '', 'ENTITIES' => '', 'integer' => 'integer', 'nonPositiveInteger' => 'integer',
'negativeInteger' => 'integer', 'long' => 'integer', 'int' => 'integer', 'short' => 'integer', 'byte' => 'integer', 'nonNegativeInteger' => 'integer',
'unsignedLong' => '', 'unsignedInt' => '', 'unsignedShort' => '', 'unsignedByte' => '', 'positiveInteger' => ''),
'http://www.w3.org/2000/10/XMLSchema' => array(
'i4' => '', 'int' => 'integer', 'boolean' => 'boolean', 'string' => 'string', 'double' => 'double',
'float' => 'double', 'dateTime' => 'string',
'timeInstant' => 'string', 'base64Binary' => 'string', 'base64' => 'string', 'ur-type' => 'array'),
'http://www.w3.org/1999/XMLSchema' => array(
'i4' => '', 'int' => 'integer', 'boolean' => 'boolean', 'string' => 'string', 'double' => 'double',
'float' => 'double', 'dateTime' => 'string',
'timeInstant' => 'string', 'base64Binary' => 'string', 'base64' => 'string', 'ur-type' => 'array'),
'http://soapinterop.org/xsd' => array('SOAPStruct' => 'struct'),
'http://schemas.xmlsoap.org/soap/encoding/' => array('base64' => 'string', 'array' => 'array', 'Array' => 'array'),
'http://xml.apache.org/xml-soap' => array('Map')
);
/**
* XML entities to convert
*
* @var array
* @access public
* @deprecated
* @see expandEntities
*/
var $xmlEntities = array('quot' => '"', 'amp' => '&',
'lt' => '<', 'gt' => '>', 'apos' => "'");
/**
* HTTP Content-type to be used for SOAP calls and responses
*
* @var string
*/
var $contentType = "text/xml";
/**
* constructor
*
* @access public
*/
function __construct()
{
$this->debugLevel = $GLOBALS['_transient']['static']['nusoap_base']['globalDebugLevel'];
}
/**
* gets the global debug level, which applies to future instances
*
* @return integer Debug level 0-9, where 0 turns off
* @access public
*/
function getGlobalDebugLevel()
{
return $GLOBALS['_transient']['static']['nusoap_base']['globalDebugLevel'];
}
/**
* sets the global debug level, which applies to future instances
*
* @param int $level Debug level 0-9, where 0 turns off
* @access public
*/
function setGlobalDebugLevel($level)
{
$GLOBALS['_transient']['static']['nusoap_base']['globalDebugLevel'] = $level;
}
/**
* gets the debug level for this instance
*
* @return int Debug level 0-9, where 0 turns off
* @access public
*/
function getDebugLevel()
{
return $this->debugLevel;
}
/**
* sets the debug level for this instance
*
* @param int $level Debug level 0-9, where 0 turns off
* @access public
*/
function setDebugLevel($level)
{
$this->debugLevel = $level;
}
/**
* adds debug data to the instance debug string with formatting
*
* @param string $string debug data
* @access private
*/
function debug($string)
{
if ($this->debugLevel > 0) {
$this->appendDebug($this->getmicrotime() . ' ' . get_class($this) . ": $string\n");
}
}
/**
* adds debug data to the instance debug string without formatting
*
* @param string $string debug data
* @access public
*/
function appendDebug($string)
{
if ($this->debugLevel > 0) {
// it would be nice to use a memory stream here to use
// memory more efficiently
$this->debug_str .= $string;
}
}
/**
* clears the current debug data for this instance
*
* @access public
*/
function clearDebug()
{
// it would be nice to use a memory stream here to use
// memory more efficiently
$this->debug_str = '';
}
/**
* gets the current debug data for this instance
*
* @return string data
* @access public
*/
function &getDebug()
{
// it would be nice to use a memory stream here to use
// memory more efficiently
return $this->debug_str;
}
/**
* gets the current debug data for this instance as an XML comment
* this may change the contents of the debug data
*
* @return string data as an XML comment
* @access public
*/
function &getDebugAsXMLComment()
{
// it would be nice to use a memory stream here to use
// memory more efficiently
while (strpos($this->debug_str, '--')) {
$this->debug_str = str_replace('--', '- -', $this->debug_str);
}
$ret = "<!--\n" . $this->debug_str . "\n-->";
return $ret;
}
/**
* expands entities, e.g. changes '<' to '<'.
*
* @param string $val The string in which to expand entities.
* @access private
*/
function expandEntities($val)
{
if ($this->charencoding) {
$val = str_replace('&', '&', $val);
$val = str_replace("'", ''', $val);
$val = str_replace('"', '"', $val);
$val = str_replace('<', '<', $val);
$val = str_replace('>', '>', $val);
}
return $val;
}
/**
* returns error string if present
*
* @return false|string error string or false
* @access public
*/
function getError()
{
if ($this->error_str != '') {
return $this->error_str;
}
return false;
}
/**
* sets error string
*
* @return void
* @access private
*/
function setError($str)
{
$this->error_str = $str;
}
/**
* detect if array is a simple array or a struct (associative array)
*
* @param mixed $val The PHP array
* @return string (arraySimple|arrayStruct)
* @access private
*/
function isArraySimpleOrStruct($val)
{
$keyList = array_keys($val);
foreach ($keyList as $keyListValue) {
if (!is_int($keyListValue)) {
return 'arrayStruct';
}
}
return 'arraySimple';
}
/**
* serializes PHP values in accordance w/ section 5. Type information is
* not serialized if $use == 'literal'.
*
* @param mixed $val The value to serialize
* @param string $name The name (local part) of the XML element
* @param string $type The XML schema type (local part) for the element
* @param string $name_ns The namespace for the name of the XML element
* @param string $type_ns The namespace for the type of the element
* @param array $attributes The attributes to serialize as name=>value pairs
* @param string $use The WSDL "use" (encoded|literal)
* @param boolean $soapval Whether this is called from soapval.
* @return string The serialized element, possibly with child elements
* @access public
*/
function serialize_val($val, $name = false, $type = false, $name_ns = false, $type_ns = false, $attributes = false, $use = 'encoded', $soapval = false)
{
$this->debug("in serialize_val: name=$name, type=$type, name_ns=$name_ns, type_ns=$type_ns, use=$use, soapval=$soapval");
$this->appendDebug('value=' . $this->varDump($val));
$this->appendDebug('attributes=' . $this->varDump($attributes));
if (is_object($val) && get_class($val) == 'soapval' && (!$soapval)) {
$this->debug("serialize_val: serialize soapval");
$xml = $val->serialize($use);
$this->appendDebug($val->getDebug());
$val->clearDebug();
$this->debug("serialize_val of soapval returning $xml");
return $xml;
}
// force valid name if necessary
if (is_numeric($name)) {
$name = '__numeric_' . $name;
} elseif (!$name) {
$name = 'noname';
}
// if name has ns, add ns prefix to name
$xmlns = '';
if ($name_ns) {
$prefix = 'nu' . rand(1000, 9999);
$name = $prefix . ':' . $name;
$xmlns .= " xmlns:$prefix=\"$name_ns\"";
}
// if type is prefixed, create type prefix
if ($type_ns != '' && $type_ns == $this->namespaces['xsd']) {
// need to fix this. shouldn't default to xsd if no ns specified
// w/o checking against typemap
$type_prefix = 'xsd';
} elseif ($type_ns) {
$type_prefix = 'ns' . rand(1000, 9999);
$xmlns .= " xmlns:$type_prefix=\"$type_ns\"";
}
// serialize attributes if present
$atts = '';
if ($attributes) {
foreach ($attributes as $k => $v) {
$atts .= " $k=\"" . $this->expandEntities($v) . '"';
}
}
// serialize null value
if (is_null($val)) {
$this->debug("serialize_val: serialize null");
if ($use == 'literal') {
// TODO: depends on minOccurs
$xml = "<$name$xmlns$atts/>";
} else {
if (isset($type) && isset($type_prefix)) {
$type_str = " xsi:type=\"$type_prefix:$type\"";
} else {
$type_str = '';
}
$xml = "<$name$xmlns$type_str$atts xsi:nil=\"true\"/>";
}
$this->debug("serialize_val returning $xml");
return $xml;
}
// serialize if an xsd built-in primitive type
if ($type != '' && isset($this->typemap[$this->XMLSchemaVersion][$type])) {
$this->debug("serialize_val: serialize xsd built-in primitive type");
if (is_bool($val)) {
if ($type == 'boolean') {
$val = $val ? 'true' : 'false';
} elseif (!$val) {
$val = 0;
}
} elseif (is_string($val)) {
$val = $this->expandEntities($val);
}
if ($use == 'literal') {
$xml = "<$name$xmlns$atts>$val</$name>";
} else {
$xml = "<$name$xmlns xsi:type=\"xsd:$type\"$atts>$val</$name>";
}
$this->debug("serialize_val returning $xml");
return $xml;
}
// detect type and serialize
$xml = '';
switch (true) {
case (is_bool($val) || $type == 'boolean'):
$this->debug("serialize_val: serialize boolean");
if ($type == 'boolean') {
$val = $val ? 'true' : 'false';
} elseif (!$val) {
$val = 0;
}
if ($use == 'literal') {
$xml .= "<$name$xmlns$atts>$val</$name>";
} else {
$xml .= "<$name$xmlns xsi:type=\"xsd:boolean\"$atts>$val</$name>";
}
break;
case (is_int($val) || is_long($val) || $type == 'int'):
$this->debug("serialize_val: serialize int");
if ($use == 'literal') {
$xml .= "<$name$xmlns$atts>$val</$name>";
} else {
$xml .= "<$name$xmlns xsi:type=\"xsd:int\"$atts>$val</$name>";
}
break;
case (is_float($val) || is_double($val) || $type == 'float'):
$this->debug("serialize_val: serialize float");
if ($use == 'literal') {
$xml .= "<$name$xmlns$atts>$val</$name>";
} else {
$xml .= "<$name$xmlns xsi:type=\"xsd:float\"$atts>$val</$name>";
}
break;
case (is_string($val) || $type == 'string'):
$this->debug("serialize_val: serialize string");
$val = $this->expandEntities($val);
if ($use == 'literal') {
$xml .= "<$name$xmlns$atts>$val</$name>";
} else {
$xml .= "<$name$xmlns xsi:type=\"xsd:string\"$atts>$val</$name>";
}
break;
case is_object($val):
$this->debug("serialize_val: serialize object");
if (get_class($val) == 'soapval') {
$this->debug("serialize_val: serialize soapval object");
$pXml = $val->serialize($use);
$this->appendDebug($val->getDebug());
$val->clearDebug();
} else {
if (!$name) {
$name = get_class($val);
$this->debug("In serialize_val, used class name $name as element name");
} else {
$this->debug("In serialize_val, do not override name $name for element name for class " . get_class($val));
}
foreach (get_object_vars($val) as $k => $v) {
$pXml = isset($pXml) ? $pXml . $this->serialize_val($v, $k, false, false, false, false, $use) : $this->serialize_val($v, $k, false, false, false, false, $use);
}
}
if (isset($type) && isset($type_prefix)) {
$type_str = " xsi:type=\"$type_prefix:$type\"";
} else {
$type_str = '';
}
if ($use == 'literal') {
$xml .= "<$name$xmlns$atts>$pXml</$name>";
} else {
$xml .= "<$name$xmlns$type_str$atts>$pXml</$name>";
}
break;
case (is_array($val) || $type):
// detect if struct or array
$valueType = $this->isArraySimpleOrStruct($val);
if ($valueType == 'arraySimple' || preg_match('/^ArrayOf/', $type)) {
$this->debug("serialize_val: serialize array");
$i = 0;
if (is_array($val) && count($val) > 0) {
foreach ($val as $v) {
if (is_object($v) && get_class($v) == 'soapval') {
$tt_ns = $v->type_ns;
$tt = $v->type;
} elseif (is_array($v)) {
$tt = $this->isArraySimpleOrStruct($v);
} else {
$tt = gettype($v);
}
$array_types[$tt] = 1;
// TODO: for literal, the name should be $name
$xml .= $this->serialize_val($v, 'item', false, false, false, false, $use);
++$i;
}
if (count($array_types) > 1) {
$array_typename = 'xsd:anyType';
} elseif (isset($tt) && isset($this->typemap[$this->XMLSchemaVersion][$tt])) {
if ($tt == 'integer') {
$tt = 'int';
}
$array_typename = 'xsd:' . $tt;
} elseif (isset($tt) && $tt == 'arraySimple') {
$array_typename = 'SOAP-ENC:Array';
} elseif (isset($tt) && $tt == 'arrayStruct') {
$array_typename = 'unnamed_struct_use_soapval';
} else {
// if type is prefixed, create type prefix
if ($tt_ns != '' && $tt_ns == $this->namespaces['xsd']) {
$array_typename = 'xsd:' . $tt;
} elseif ($tt_ns) {
$tt_prefix = 'ns' . rand(1000, 9999);
$array_typename = "$tt_prefix:$tt";
$xmlns .= " xmlns:$tt_prefix=\"$tt_ns\"";
} else {
$array_typename = $tt;
}
}
$array_type = $i;
if ($use == 'literal') {
$type_str = '';
} elseif (isset($type) && isset($type_prefix)) {
$type_str = " xsi:type=\"$type_prefix:$type\"";
} else {
$type_str = " xsi:type=\"SOAP-ENC:Array\" SOAP-ENC:arrayType=\"" . $array_typename . "[$array_type]\"";
}
// empty array
} else {
if ($use == 'literal') {
$type_str = '';
} elseif (isset($type) && isset($type_prefix)) {
$type_str = " xsi:type=\"$type_prefix:$type\"";
} else {
$type_str = " xsi:type=\"SOAP-ENC:Array\" SOAP-ENC:arrayType=\"xsd:anyType[0]\"";
}
}
// TODO: for array in literal, there is no wrapper here
$xml = "<$name$xmlns$type_str$atts>" . $xml . "</$name>";
} else {
// got a struct
$this->debug("serialize_val: serialize struct");
if (isset($type) && isset($type_prefix)) {
$type_str = " xsi:type=\"$type_prefix:$type\"";
} else {
$type_str = '';
}
if ($use == 'literal') {
$xml .= "<$name$xmlns$atts>";
} else {
$xml .= "<$name$xmlns$type_str$atts>";
}
foreach ($val as $k => $v) {
// Apache Map
if ($type == 'Map' && $type_ns == 'http://xml.apache.org/xml-soap') {
$xml .= '<item>';
$xml .= $this->serialize_val($k, 'key', false, false, false, false, $use);
$xml .= $this->serialize_val($v, 'value', false, false, false, false, $use);
$xml .= '</item>';
} else {
$xml .= $this->serialize_val($v, $k, false, false, false, false, $use);
}
}
$xml .= "</$name>";
}
break;
default:
$this->debug("serialize_val: serialize unknown");
$xml .= 'not detected, got ' . gettype($val) . ' for ' . $val;
break;
}
$this->debug("serialize_val returning $xml");
return $xml;
}
/**
* serializes a message
*
* @param string $body the XML of the SOAP body
* @param mixed $headers optional string of XML with SOAP header content, or array of soapval objects for SOAP headers, or associative array
* @param array $namespaces optional the namespaces used in generating the body and headers
* @param string $style optional (rpc|document)
* @param string $use optional (encoded|literal)
* @param string $encodingStyle optional (usually 'http://schemas.xmlsoap.org/soap/encoding/' for encoded)
* @return string the message
* @access public
*/
function serializeEnvelope($body, $headers = false, $namespaces = array(), $style = 'rpc', $use = 'encoded', $encodingStyle = 'http://schemas.xmlsoap.org/soap/encoding/')
{
// TODO: add an option to automatically run utf8_encode on $body and $headers
// if $this->soap_defencoding is UTF-8. Not doing this automatically allows
// one to send arbitrary UTF-8 characters, not just characters that map to ISO-8859-1
$this->debug("In serializeEnvelope length=" . strlen($body) . " body (max 1000 characters)=" . substr($body, 0, 1000) . " style=$style use=$use encodingStyle=$encodingStyle");
$this->debug("headers:");
$this->appendDebug($this->varDump($headers));
$this->debug("namespaces:");
$this->appendDebug($this->varDump($namespaces));
// serialize namespaces
$ns_string = '';
foreach (array_merge($this->namespaces, $namespaces) as $k => $v) {
$ns_string .= " xmlns:$k=\"$v\"";
}
if ($encodingStyle) {
$ns_string = " SOAP-ENV:encodingStyle=\"$encodingStyle\"$ns_string";
}
// serialize headers
if ($headers) {
if (is_array($headers)) {
$xml = '';
foreach ($headers as $k => $v) {
if (is_object($v) && get_class($v) == 'soapval') {
$xml .= $this->serialize_val($v, false, false, false, false, false, $use);
} else {
$xml .= $this->serialize_val($v, $k, false, false, false, false, $use);
}
}
$headers = $xml;
$this->debug("In serializeEnvelope, serialized array of headers to $headers");
}
$headers = "<SOAP-ENV:Header>" . $headers . "</SOAP-ENV:Header>";
}
// serialize envelope
return
'<?xml version="1.0" encoding="' . $this->soap_defencoding . '"?' . ">" .
'<SOAP-ENV:Envelope' . $ns_string . ">" .
$headers .
"<SOAP-ENV:Body>" .
$body .
"</SOAP-ENV:Body>" .
"</SOAP-ENV:Envelope>";
}
/**
* formats a string to be inserted into an HTML stream
*
* @param string $str The string to format
* @return string The formatted string
* @access public
* @deprecated
*/
function formatDump($str)
{
$str = htmlspecialchars($str);
return nl2br($str);
}
/**
* contracts (changes namespace to prefix) a qualified name
*
* @param string $qname qname
* @return string contracted qname
* @access private
*/
function contractQname($qname)
{
// get element namespace
//$this->xdebug("Contract $qname");
if (strrpos($qname, ':')) {
// get unqualified name
$name = substr($qname, strrpos($qname, ':') + 1);
// get ns
$ns = substr($qname, 0, strrpos($qname, ':'));
$p = $this->getPrefixFromNamespace($ns);
if ($p) {
return $p . ':' . $name;
}
}
return $qname;
}
/**
* expands (changes prefix to namespace) a qualified name
*
* @param string $qname qname
* @return string expanded qname
* @access private
*/
function expandQname($qname)
{
// get element prefix
if (strpos($qname, ':') && !preg_match('/^http:\/\//', $qname)) {
// get unqualified name
$name = substr(strstr($qname, ':'), 1);
// get ns prefix
$prefix = substr($qname, 0, strpos($qname, ':'));
if (isset($this->namespaces[$prefix])) {
return $this->namespaces[$prefix] . ':' . $name;
} else {
return $qname;
}
} else {
return $qname;
}
}
/**
* returns the local part of a prefixed string
* returns the original string, if not prefixed
*
* @param string $str The prefixed string
* @return string The local part
* @access public
*/
function getLocalPart($str)
{
if ($sstr = strrchr($str, ':')) {
// get unqualified name
return substr($sstr, 1);
} else {
return $str;
}
}
/**
* returns the prefix part of a prefixed string
* returns false, if not prefixed
*
* @param string $str The prefixed string
* @return false|string The prefix or false if there is no prefix
* @access public
*/
function getPrefix($str)
{
if ($pos = strrpos($str, ':')) {
// get prefix
return substr($str, 0, $pos);
}
return false;
}
/**
* pass it a prefix, it returns a namespace
*
* @param string $prefix The prefix
* @return mixed The namespace, false if no namespace has the specified prefix
* @access public
*/
function getNamespaceFromPrefix($prefix)
{
if (isset($this->namespaces[$prefix])) {
return $this->namespaces[$prefix];
}
//$this->setError("No namespace registered for prefix '$prefix'");
return false;
}
/**
* returns the prefix for a given namespace (or prefix)
* or false if no prefixes registered for the given namespace
*
* @param string $ns The namespace
* @return false|string The prefix, false if the namespace has no prefixes
* @access public
*/
function getPrefixFromNamespace($ns)
{
foreach ($this->namespaces as $p => $n) {
if ($ns == $n || $ns == $p) {
$this->usedNamespaces[$p] = $n;
return $p;
}
}
return false;
}
/**
* returns the time in ODBC canonical form with microseconds
*
* @return string The time in ODBC canonical form with microseconds
* @access public
*/
function getmicrotime()
{
if (function_exists('gettimeofday')) {
$tod = gettimeofday();
$sec = $tod['sec'];
$usec = $tod['usec'];
} else {
$sec = time();
$usec = 0;
}
$dtx = new DateTime("@$sec");
return
date_format($dtx, 'Y-m-d H:i:s') . '.' . sprintf('%06d', $usec);
}
/**
* Returns a string with the output of var_dump
*
* @param mixed $data The variable to var_dump
* @return string The output of var_dump
* @access public
*/
function varDump($data)
{
ob_start();
var_dump($data);
$ret_val = ob_get_contents();
ob_end_clean();
return $ret_val;
}
/**
* represents the object as a string
*
* @return string
* @access public
*/
function __toString()
{
return $this->varDump($this);
}
}
// XML Schema Datatype Helper Functions
//xsd:dateTime helpers
/**
* convert unix timestamp to ISO 8601 compliant date string
*
* @param int $timestamp Unix time stamp
* @param boolean $utc Whether the time stamp is UTC or local
* @return false|string ISO 8601 date string or false
* @access public
*/
function timestamp_to_iso8601($timestamp, $utc = true)
{
$datestr = date('Y-m-d\TH:i:sO', $timestamp);
$pos = strrpos($datestr, "+");
if ($pos === false) {
$pos = strrpos($datestr, "-");
}
if ($pos !== false) {
if (strlen($datestr) == $pos + 5) {
$datestr = substr($datestr, 0, $pos + 3) . ':' . substr($datestr, -2);
}
}
if ($utc) {
$pattern = '/' .
'([0-9]{4})-' . // centuries & years CCYY-
'([0-9]{2})-' . // months MM-
'([0-9]{2})' . // days DD
'T' . // separator T
'([0-9]{2}):' . // hours hh:
'([0-9]{2}):' . // minutes mm:
'([0-9]{2})(\.[0-9]*)?' . // seconds ss.ss...
'(Z|[+\-][0-9]{2}:?[0-9]{2})?' . // Z to indicate UTC, -/+HH:MM:SS.SS... for local tz's
'/';
if (preg_match($pattern, $datestr, $regs)) {
return sprintf('%04d-%02d-%02dT%02d:%02d:%02dZ', $regs[1], $regs[2], $regs[3], $regs[4], $regs[5], $regs[6]);
}
return false;
} else {
return $datestr;
}
}
/**
* convert ISO 8601 compliant date string to unix timestamp
*
* @param string $datestr ISO 8601 compliant date string
* @return false|int Unix timestamp (int) or false
* @access public
*/
function iso8601_to_timestamp($datestr)
{
$pattern = '/' .
'([0-9]{4})-' . // centuries & years CCYY-
'([0-9]{2})-' . // months MM-
'([0-9]{2})' . // days DD
'T' . // separator T
'([0-9]{2}):' . // hours hh:
'([0-9]{2}):' . // minutes mm:
'([0-9]{2})(\.[0-9]+)?' . // seconds ss.ss...
'(Z|[+\-][0-9]{2}:?[0-9]{2})?' . // Z to indicate UTC, -/+HH:MM:SS.SS... for local tz's
'/';
if (preg_match($pattern, $datestr, $regs)) {
// not utc
if ($regs[8] != 'Z') {
$op = substr($regs[8], 0, 1);
$h = substr($regs[8], 1, 2);
$m = substr($regs[8], strlen($regs[8]) - 2, 2);
if ($op == '-') {
$regs[4] = intval ($regs[4]) + intval ($h);
$regs[5] = intval ($regs[5]) + intval ($m);
} elseif ($op == '+') {
$regs[4] = intval ($regs[4]) - intval ($h);
$regs[5] = intval ($regs[5]) - intval ($m);
}