Online PHP editor | refs for tCOcR

<?php $arr=['name'=>'test']; echo strlen(''); var_dump(isset($arr['ge'])); var_dump($arr['ge']); var_dump(empty(null)); var_dump(null ==''); function get($a){echo $a;} get(); function arrayToXml($arr) { $xml = "<xml>"; foreach ($arr as $key=>$val) { if (is_numeric($val)) { $xml.="<".$key.">".$val."</".$key.">"; } else $xml.="<".$key."><![CDATA[".$val."]]></".$key.">"; } $xml.="</xml>"; return $xml; } $nativeObj["AppId"] = 5; $nativeObj["Package"] = 'gfgf'; $nativeObj["TimeStamp"] = time(); $nativeObj["NonceStr"] = 43; $nativeObj["RetCode"] = 65; $nativeObj["RetErrMsg"] = 88; echo arrayToXml($nativeObj);