message =& $message; } public function parse() { // first remove the XML declaration // merged from WP #10698 - this method avoids the RAM usage of preg_replace on very large messages $header = preg_replace('/<\?xml.*?\?' . '>/s', '', substr($this->message, 0, 100), 1); $this->message = trim(substr_replace($this->message, $header, 0, 100)); if ('' == $this->message) { return false; } // Then remove the DOCTYPE $header = preg_replace('/^]*+>/i', '', substr($this->message, 0, 200), 1); $this->message = trim(substr_replace($this->message, $header, 0, 200)); if ('' == $this->message) { return false; } // Check that the root tag is valid $root_tag = substr($this->message, 0, strcspn(substr($this->message, 0, 20), "> \t\r\n")); if ('message, '<')) { return false; } $this->_parser = xml_parser_create(); // Set XML parser to take the case of tags in to account xml_parser_set_option($this->_parser, XML_OPTION_CASE_FOLDING, false); // Set XML parser callback functions xml_set_object($this->_parser, $this); xml_set_element_handler($this->_parser, 'tagOpen', 'tagClose'); xml_set_character_data_handler($this->_parser, 'cdata'); $chunk_size = 262144; // 256Kb, parse in chunks to avoid the RAM usage on very large messages $final = false; do { if (strlen($this->message) <= $chunk_size) { $final = true; } $part = substr($this->message, 0, $chunk_size); $this->message = substr($this->message, $chunk_size); if (!xml_parse($this->_parser, $part, $final)) { return false; } if ($final) { break; } } while (true); xml_parser_free($this->_parser); // Grab the error messages, if any if ($this->messageType === 'fault') { $this->faultCode = $this->params[0]['faultCode']; $this->faultString = $this->params[0]['faultString']; } return true; } /** * Opening tag handler * @param $parser * @param $tag * @param $attr */ public function tagOpen($parser, $tag, $attr) { $this->_currentTagContents = ''; $this->_currentTag = $tag; switch ($tag) { case 'methodCall': case 'methodResponse': case 'fault': $this->messageType = $tag; break; /* Deal with stacks of arrays and structs */ case 'data': // data is to all intents and puposes more interesting than array $this->_arraystructstypes[] = 'array'; $this->_arraystructs[] = []; break; case 'struct': $this->_arraystructstypes[] = 'struct'; $this->_arraystructs[] = []; break; } } /** * Character Data handler * @param $parser * @param $cdata */ public function cdata($parser, $cdata) { $this->_currentTagContents .= $cdata; } /** * Closing tag handler * @param $parser * @param $tag */ public function tagClose($parser, $tag) { $valueFlag = false; switch ($tag) { case 'int': case 'i4': $value = (int)trim($this->_currentTagContents); $valueFlag = true; break; case 'double': $value = (double)trim($this->_currentTagContents); $valueFlag = true; break; case 'string': $value = (string)($this->_currentTagContents); $valueFlag = true; break; case 'dateTime.iso8601': $value = new Date(trim($this->_currentTagContents)); $valueFlag = true; break; case 'value': // "If no type is indicated, the type is string." if (trim($this->_currentTagContents) != '') { $value = (string)$this->_currentTagContents; $valueFlag = true; } break; case 'boolean': $value = (boolean)trim($this->_currentTagContents); $valueFlag = true; break; case 'base64': $value = base64_decode($this->_currentTagContents); $valueFlag = true; break; /* Deal with stacks of arrays and structs */ case 'data': case 'struct': $value = array_pop($this->_arraystructs); array_pop($this->_arraystructstypes); $valueFlag = true; break; case 'member': array_pop($this->_currentStructName); break; case 'name': $this->_currentStructName[] = trim($this->_currentTagContents); break; case 'methodName': $this->methodName = trim($this->_currentTagContents); break; } if ($valueFlag) { if (count($this->_arraystructs) > 0) { // Add value to struct or array if ($this->_arraystructstypes[count($this->_arraystructstypes) - 1] === 'struct') { // Add to struct $this->_arraystructs[count($this->_arraystructs) - 1][$this->_currentStructName[count($this->_currentStructName) - 1]] = $value; } else { // Add to array $this->_arraystructs[count($this->_arraystructs) - 1][] = $value; } } else { // Just add as a paramater $this->params[] = $value; } } $this->_currentTagContents = ''; } }