googlechartlib
8 years ago
array2xml.php
8 years ago
browser.php
8 years ago
give-pdf.php
6 years ago
wp-async-request.php
8 years ago
wp-background-process.php
8 years ago
array2xml.php
133 lines
| 1 | <?php |
| 2 | class Array2XML { |
| 3 | |
| 4 | private static $xml = null; |
| 5 | private static $encoding = 'UTF-8'; |
| 6 | |
| 7 | /** |
| 8 | * Initialize the root XML node [optional] |
| 9 | * @param $version |
| 10 | * @param $encoding |
| 11 | * @param $format_output |
| 12 | */ |
| 13 | public static function init($version = '1.0', $encoding = 'UTF-8', $format_output = true) { |
| 14 | self::$xml = new DomDocument($version, $encoding); |
| 15 | self::$xml->formatOutput = $format_output; |
| 16 | self::$encoding = $encoding; |
| 17 | } |
| 18 | |
| 19 | /** |
| 20 | * Convert an Array to XML |
| 21 | * @param string $node_name - name of the root node to be converted |
| 22 | * @param array $arr - aray to be converterd |
| 23 | * @return DomDocument |
| 24 | */ |
| 25 | public static function &createXML($node_name, $arr=array()) { |
| 26 | $xml = self::getXMLRoot(); |
| 27 | $xml->appendChild(self::convert($node_name, $arr)); |
| 28 | |
| 29 | self::$xml = null; // clear the xml node in the class for 2nd time use. |
| 30 | return $xml; |
| 31 | } |
| 32 | |
| 33 | /** |
| 34 | * Convert an Array to XML |
| 35 | * @param string $node_name - name of the root node to be converted |
| 36 | * @param array $arr - aray to be converterd |
| 37 | * @return DOMNode |
| 38 | */ |
| 39 | private static function &convert($node_name, $arr=array()) { |
| 40 | |
| 41 | //print_arr($node_name); |
| 42 | $xml = self::getXMLRoot(); |
| 43 | $node = $xml->createElement($node_name); |
| 44 | |
| 45 | if(is_array($arr)){ |
| 46 | // get the attributes first.; |
| 47 | if(isset($arr['@attributes'])) { |
| 48 | foreach($arr['@attributes'] as $key => $value) { |
| 49 | if(!self::isValidTagName($key)) { |
| 50 | throw new Exception('[Array2XML] Illegal character in attribute name. attribute: '.$key.' in node: '.$node_name); |
| 51 | } |
| 52 | $node->setAttribute($key, self::bool2str($value)); |
| 53 | } |
| 54 | unset($arr['@attributes']); //remove the key from the array once done. |
| 55 | } |
| 56 | |
| 57 | // check if it has a value stored in @value, if yes store the value and return |
| 58 | // else check if its directly stored as string |
| 59 | if(isset($arr['@value'])) { |
| 60 | $node->appendChild($xml->createTextNode(self::bool2str($arr['@value']))); |
| 61 | unset($arr['@value']); //remove the key from the array once done. |
| 62 | //return from recursion, as a note with value cannot have child nodes. |
| 63 | return $node; |
| 64 | } else if(isset($arr['@cdata'])) { |
| 65 | $node->appendChild($xml->createCDATASection(self::bool2str($arr['@cdata']))); |
| 66 | unset($arr['@cdata']); //remove the key from the array once done. |
| 67 | //return from recursion, as a note with cdata cannot have child nodes. |
| 68 | return $node; |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | //create subnodes using recursion |
| 73 | if(is_array($arr)){ |
| 74 | // recurse to get the node for that key |
| 75 | foreach($arr as $key=>$value){ |
| 76 | if(!self::isValidTagName($key)) { |
| 77 | throw new Exception('[Array2XML] Illegal character in tag name. tag: '.$key.' in node: '.$node_name); |
| 78 | } |
| 79 | if(is_array($value) && is_numeric(key($value))) { |
| 80 | // MORE THAN ONE NODE OF ITS KIND; |
| 81 | // if the new array is numeric index, means it is array of nodes of the same kind |
| 82 | // it should follow the parent key name |
| 83 | foreach($value as $k=>$v){ |
| 84 | $node->appendChild(self::convert($key, $v)); |
| 85 | } |
| 86 | } else { |
| 87 | // ONLY ONE NODE OF ITS KIND |
| 88 | $node->appendChild(self::convert($key, $value)); |
| 89 | } |
| 90 | unset($arr[$key]); //remove the key from the array once done. |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | // after we are done with all the keys in the array (if it is one) |
| 95 | // we check if it has any text value, if yes, append it. |
| 96 | if(!is_array($arr)) { |
| 97 | $node->appendChild($xml->createTextNode(self::bool2str($arr))); |
| 98 | } |
| 99 | |
| 100 | return $node; |
| 101 | } |
| 102 | |
| 103 | /* |
| 104 | * Get the root XML node, if there isn't one, create it. |
| 105 | */ |
| 106 | private static function getXMLRoot(){ |
| 107 | if(empty(self::$xml)) { |
| 108 | self::init(); |
| 109 | } |
| 110 | return self::$xml; |
| 111 | } |
| 112 | |
| 113 | /* |
| 114 | * Get string representation of boolean value |
| 115 | */ |
| 116 | private static function bool2str($v){ |
| 117 | //convert boolean to text value. |
| 118 | $v = $v === true ? 'true' : $v; |
| 119 | $v = $v === false ? 'false' : $v; |
| 120 | return $v; |
| 121 | } |
| 122 | |
| 123 | /* |
| 124 | * Check if the tag name or attribute name contains illegal characters |
| 125 | * Ref: http://www.w3.org/TR/xml/#sec-common-syn |
| 126 | */ |
| 127 | private static function isValidTagName($tag){ |
| 128 | $pattern = '/^[a-z_]+[a-z0-9\:\-\.\_]*[^:]*$/i'; |
| 129 | return preg_match($pattern, $tag, $matches) && $matches[0] == $tag; |
| 130 | } |
| 131 | } |
| 132 | ?> |
| 133 |