Summary of usage of php to convert stdClass object into array array

PHP and JS usually use json for communication, but the array passed by json is not a standard array, but a stdClass type. Then we can refer to the following methods for conversion.

Method one:

//PHP stdClass Object转array  
function object_array($array) {  
    if(is_object($array)) {  
        $array = (array)$array;  
     } if(is_array($array)) {  
         foreach($array as $key=>$value) {  
             $array[$key] = object_array($value);  
             }  
     }  
     return $array;  
}

##Method two:

$array = json_decode(json_encode(simplexml_load_string($xmlString)),TRUE);

Method 3:

 function object2array_pre(&$object) {
        if (is_object($object)) {
            $arr = (array)($object);
        } else {
            $arr = &$object;
        }
        if (is_array($arr)) {
            foreach($arr as $varName => $varValue){
                $arr[$varName] = $this->object2array($varValue);
            }
        }
        return $arr;
    }

If the data volume is 10W, the execution Entering 1s, if the structure is more complex, it can reach 3s. The performance is too poor.
can be replaced with the following:

function object2array(&$object) {
    $object =  json_decode( json_encode( $object),true);
    return  $object;
}

But for the characteristics of json, it can only be for utf8. Otherwise, you need to transcode it first.

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