php riff2
简易XML解析//XML解析工具//XML节点class XMLNode {function XMLNode ($aa){foreach ($aa as $k=>$v)$this->$k = $aa[$k];}}function parseXML($data){$parser = xml_parser_create();xml_parser_set_option($parser, XML_OPTION_CASE_FOLDING, 0);xml_parser_set_option($parser, XML_OPTION_SKIP_WHITE, 1);xml_parse_into_struct($parser, $data, $values, $tags);xml_parser_free($parser);// 遍历 XML 结构foreach ($tags as $key=>$val) {if ($key == "COMMAND") {$molranges = $val;// each contiguous pair of array entries are the// lower and upper range for each molecule definitionfor ($i=0; $i < count($molranges); $i+=2) {$offset = $molranges[$i] + 1;$len = $molranges[$i + 1] - $offset;$tdb[] = parseMol(array_slice($values, $offset, $len));}} else {continue;}}return $tdb;}function parseMol($mvalues){for ($i=0; $i < count($mvalues); $i++) {$mol[$mvalues[$i]["tag"]] = $mvalues[$i]["value"];}return new XMLNode($mol);}
用法：
如
<Test>
<Test2>test2</Test2>
<Test3>test3</Test3>
</Test>
$db = parseXML($data);
则
$db->Test2 = test2
$db->Test3 = test3
UTF8子串截取
//截取utf8字符串function utf8Substr($str, $from, $len){return preg_replace('#^(?:|+){0,'.$from.'}'.'((?:|+){0,'.$len.'}).*#s','$1',$str);}
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