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php XML to array code conversion

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Release： 2016-07-25 09:04:13
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  3. // Convert Xml to array, including root keys, ignoring empty elements and attributes, there are still major errors

  4. function xml_to_array( $xml )
  5. {
  6. $reg = "/ <(\w+)[^>]*?>([\x00-\xFF]*?)<\/\1>/";
  7. if(preg_match_all($reg, $xml, $matches) )
  8. {
  9. $count = count($matches[0]);
  10. $arr = array();
  11. for($i = 0; $i < $count; $i++)
  12. {
  13. $key = $matches [1][$i];
  14. $val = xml_to_array( $matches[2][$i] ); // Recursion
  15. if(array_key_exists($key, $arr))
  16. {
  17. if(is_array($arr[ $key]))
  18. {
  19. if(!array_key_exists(0,$arr[$key]))
  20. {
  21. $arr[$key] = array($arr[$key]);
  22. }
  23. }else{
  24. $arr[$key] = array($arr[$key]);
  25. }
  26. $arr[$key][] = $val;
  27. }else{
  28. $arr[$key] = $val;
  29. }
  30. }
  31. return $arr;
  32. }else{
  33. return $xml;
  34. }
  35. }

  36. // Xml to array, excluding root key

  37. function xmltoarray( $xml )
  38. {
  39. $ arr = xml_to_array($xml);
  40. $key = array_keys($arr);
  41. return $arr[$key[0]];
  42. }

  43. // XPATH-like array selector

  44. function xml_array_select( $arr, $arrpath )
  45. {
  46. $arrpath = trim( $arrpath, '/' );
  47. if(!$arrpath) return $arr;
  48. $self = 'xml_array_select';
  50. $pos = strpos( $arrpath, '/' );
  51. $pos = $pos ? $pos : strlen($arrpath);
  52. $curpath = substr($arrpath, 0, $pos);
  53. $next = substr($arrpath, $pos);
  55. if(preg_match("/\[(\d+)\]$/",$curpath,$predicate))
  56. {
  57. $curpath = substr($curpath, 0, strpos($curpath," [{$predicate[1]}]"));
  58. $result = $arr[$curpath][$predicate[1]];
  59. }else $result = $arr[$curpath];
  61. if( is_array( $arr) && !array_key_exists($curpath, $arr) )
  62. {
  63. die( 'key is not exists:' . $curpath );
  64. }
  66. return $self($result, $next);
  67. }< /p>

  68. // If the input array is an all-numeric key, then the element values ​​will be transferred to $callback in sequence, otherwise it will transfer itself to $callback

  69. function xml_array_each( $arr, $callback )
  70. {
  71. if (func_num_args()<2) die('parameters error');
  72. if(!is_array($arr)) die('parameter 1 shuld be an array!');
  73. if(!is_callable($callback)) die ('parameter 2 shuld be an function!');
  74. $keys = array_keys($arr);
  75. $isok = true;
  76. foreach( $keys as $key ) {if(!is_int($key)) {$isok = false; break;}}
  77. if($isok)
  78. foreach( $arr as $val ) $result[] = $callback($val);
  79. else
  80. $result[] = $callback( $arr );
  81. return $result;
  82. }
  83. ?>

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php XML转换为数组的代码
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