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<?php |
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namespace Wechat\Utils; |
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/** |
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* XML.php. |
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*/ |
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use SimpleXMLElement; |
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/** |
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* Class XML. |
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*/ |
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class XML |
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{ |
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/** |
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* XML to array. |
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* |
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* @param string $xml XML string |
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* |
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* @return array|\SimpleXMLElement |
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*/ |
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public static function parse($xml) |
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{ |
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return self::normalize(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA | LIBXML_NOBLANKS)); |
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} |
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/** |
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* XML encode. |
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* |
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* @param mixed $data |
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* @param string $root |
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* @param string $item |
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* @param string $attr |
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* @param string $id |
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* |
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* @return string |
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*/ |
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public static function build( |
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$data, |
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$root = 'xml', |
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$item = 'item', |
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$attr = '', |
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$id = 'id' |
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) |
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{ |
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if (is_array($attr)) { |
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$_attr = []; |
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foreach ($attr as $key => $value) { |
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$_attr[] = "{$key}=\"{$value}\""; |
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} |
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$attr = implode(' ', $_attr); |
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} |
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$attr = trim($attr); |
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$attr = empty($attr) ? '' : " {$attr}"; |
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$xml = "<{$root}{$attr}>"; |
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$xml .= self::data2Xml($data, $item, $id); |
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$xml .= "</{$root}>"; |
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return $xml; |
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} |
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/** |
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* Build CDATA. |
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* |
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* @param string $string |
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* |
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* @return string |
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*/ |
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public static function cdata($string) |
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{ |
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return sprintf('<![CDATA[%s]]>', $string); |
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} |
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/** |
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* Object to array. |
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* |
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* |
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* @param SimpleXMLElement $obj |
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* |
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* @return array |
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*/ |
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protected static function normalize($obj) |
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{ |
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$result = null; |
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if (is_object($obj)) { |
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$obj = (array) $obj; |
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} |
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if (is_array($obj)) { |
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foreach ($obj as $key => $value) { |
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$res = self::normalize($value); |
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if (($key === '@attributes') && ($key)) { |
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$result = $res; |
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} else { |
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$result[$key] = $res; |
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} |
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} |
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} else { |
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$result = $obj; |
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} |
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return $result; |
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} |
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/** |
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* Array to XML. |
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* |
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* @param array $data |
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* @param string $item |
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* @param string $id |
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* |
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* @return string |
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*/ |
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protected static function data2Xml($data, $item = 'item', $id = 'id') |
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{ |
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$xml = $attr = ''; |
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foreach ($data as $key => $val) { |
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if (is_numeric($key)) { |
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$id && $attr = " {$id}=\"{$key}\""; |
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$key = $item; |
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} |
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$xml .= "<{$key}{$attr}>"; |
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if ((is_array($val) || is_object($val))) { |
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$xml .= self::data2Xml((array) $val, $item, $id); |
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} else { |
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$xml .= is_numeric($val) ? $val : self::cdata($val); |
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} |
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$xml .= "</{$key}>"; |
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} |
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return $xml; |
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} |
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} |
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tianye /
WechatMpSDK
