PHP array generates Xml format

This article mainly introduces the Xml format generated by PHP arrays, which has certain reference value. Now I share it with everyone. Friends in need can refer to it

Methods to generate Xml when the public account is developed

    public  function arrayToXml($arr){
        $xml = "<root>";        
        foreach ($arr as $key=>$val){            
        if(is_array($val)){                
        $xml.="<".$key.">".arrayToXml($val)."</".$key.">";
            }else{                
            $xml.="<".$key.">".$val."</".$key.">";
            }
        }       
       $xml.="</root>";        
       return $xml;
    }

xml converted to array

function xmlToArray($xml,$isfile=false){     
    //禁止引用外部xml实体  
    libxml_disable_entity_loader(true);  
    if($isfile){  
        if(!file_exists($xml)) return false;  
        $xmlstr = file_get_contents($xml);  
    }else{  
        $xmlstr = $xml;  
    }  
    $result= json_decode(json_encode(simplexml_load_string($xmlstr, 'SimpleXMLElement', LIBXML_NOCDATA)), true);          
    return $result;  
}

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