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06 十二月, 2007

PHP XML-RPC Client

Posted by: asd In: Code Snippet| Web| 程式設計 ()

server 端同上篇用 perl 寫的，client 端改用 php 來 call。

參考

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PHP:
  1. /**
  2. * Debian: apt-get install php5-xmlrpc php5-curl
  3. */
  4.  
  5. /**
  6. The MIT License
  8. Copyright (c) 2007
  10. Permission is hereby granted, free of charge, to any person obtaining a copy
  11. of this software and associated documentation files (the "Software"), to deal
  12. in the Software without restriction, including without limitation the rights
  13. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  14. copies of the Software, and to permit persons to whom the Software is
  15. furnished to do so, subject to the following conditions:
  17. The above copyright notice and this permission notice shall be included in
  18. all copies or substantial portions of the Software.
  20. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  21. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  22. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  23. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  24. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  25. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  26. THE SOFTWARE.
  27. *
  28. * @author: Tsung
  29. * @date: 2007/4/29
  30. * @version: v1.00
  31. *
  32. * @brief xmlrpc format generator
  33. *        XMLRPC format:
  34. *
  35. *
  36. *        $method_name
  37. *   *   *
  38. *           <$value_type>$value
  39. *
  40. *          *          *
  41. *
  42. *        USAGE:
  43. *          $re = encode_xmlrpc('echo', array( array('string' => 'Linux test')) );
  44. *          $xml = xmlrpc_request('http://localhost/', $re);
  45. *          $xml = xmlrpc_decode($xml);
  46. *
  47. *          $re = encode_xmlrpc('echo', array( 0 => array('string' => 'Linux test'), 1 => array('string' => 'test') ));
  48. *          $xml = xmlrpc_request('http://localhost/', $re);
  49. *          $xml = xmlrpc_decode($xml);
  50. *
  51. * @param method string:xmlrpc function name
  52. * @param params array: array( 0 => array('type', $value), 1 => array('type', $value) )
  53. * @retval xmlrpc_format/false
  54. */
  55. function encode_xmlrpc($method, $params)
  56. {
  57. $method = htmlspecialchars($method);
  58.  
  59. $response_pre = '';
  60. $response_pre.= "$method";
  61. $response_pre.= " ";
  62.  
  63. // xmlrpc spec: http://www.xmlrpc.com/spec, allow tag list
  64. $allow_type = array('i4', 'int', 'boolean', 'string', 'double', 'dateTime.iso8604', 'base64');
  65.  
  66. $response_mid = '';
  67. if (is_array($params)) {
  68. foreach ($params as $param) {
  69. foreach($param as $type => $val) {
  70. if(!in_array($type, $allow_type)) {
  71. return false;
  72. }
  73.  
  74. $val = htmlspecialchars($val);
  75. $response_mid .= " <$type>$val";
  76. }
  77. }
  78. }
  79.  
  80. $response_post = '';
  81.  
  82. return $response_pre . $response_mid . $response_post;
  83. }
  84.  
  85. /**
  86. * HTTP Post
  87. * @param url
  88. * @param postvar: args
  89. */
  90.  
  91. function postUrl($url, $postvar) {
  92.  
  93. $ch = curl_init();
  94. curl_setopt($ch, CURLOPT_URL, $url);
  95. curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
  96. curl_setopt($ch, CURLOPT_POST, 1);
  97. curl_setopt($ch, CURLOPT_POSTFIELDS, $postvar);
  98.  
  99. $res = curl_exec ($ch);
  100. curl_close ($ch);
  101.  
  102. return $res;
  103. }
  104.  
  105. /**
  106. * @brief xmlrpc request
  107. * @param url xmlrpc url
  108. * @param method string:xmlrpc function name
  109. * @param params array: array( 0 => array('type', $value), 1 => array('type', $value) )
  110. * @retval array/false
  111. */
  112. function request_xmlrpc($url, $method='', $params='') {
  113. if (empty($url) || empty($method) || empty($params)) {
  114. return false;
  115. }
  116.  
  117. $postvar = encode_xmlrpc($method, $params);
  118. $res = postUrl($url, $postvar);
  119. $res = xmlrpc_decode($res);
  120.  
  121. return $res;
  122. }
  123.  
  124. /* test */
  125.  
  126. $re = encode_xmlrpc('sum', array( 0 => array('int' => 2), 1 => array('int' => 6) ));
  127. $xml = postUrl('http://127.0.0.1:1234/RPC2', $re);
  128. $xml = xmlrpc_decode($xml);
  129. echo("answer:" + $xml);

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