{"id":1837,"date":"2017-03-23T15:25:29","date_gmt":"2017-03-23T09:55:29","guid":{"rendered":"https:\/\/www.wikitechy.com\/technology\/?p=1837"},"modified":"2017-03-28T18:24:34","modified_gmt":"2017-03-28T12:54:34","slug":"cannot-use-object-of-type-std-class-as-array","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/technology\/cannot-use-object-of-type-std-class-as-array\/","title":{"rendered":"[ Solved – 8 Answers ] PHP – Cannot use object of type stdClass as array"},"content":{"rendered":"

We get a strange error using json_decode(). It decode correctly the data, but when we try to access info inside the array we get the following:<\/p>\n

Php Code<\/span> <\/div> 
Fatal error: Cannot use object of type stdClass as array inC:\\Users\\Wiki\\software\\wikitechy.php on line 108<\/code><\/pre> <\/div>\n
We tried to do: $result[‘context’] where $result has the data returned by json_decode()<\/p>\n
php json<\/p>\n
The function json_decode() returns an object by default.<\/p>\n
Access the data :<\/p>\n
 
 Php Code<\/span> <\/div> 
var_dump($result->context);<\/code><\/pre> <\/div>\n
If we have identifiers like from-date (the hyphen would cause a PHP error when using the above method) we have to write the following:<\/p>\n
 
 Php Code<\/span> <\/div> 
var_dump($result->{'from-date'});<\/code><\/pre> <\/div>\n
    \n
  • If we have identifiers like from-date (the hyphen would cause a PHP error when using the above method) we have to write the following:<\/li>\n<\/ul>\n
     
     Php Code<\/span> <\/div> 
    var_dump($result->{'from-date'});<\/code><\/pre> <\/div>\n
      \n
    • If we need an array we can do the following:<\/li>\n<\/ul>\n
       
       Php Code<\/span> <\/div> 
      $result = json_decode($json, true);<\/code><\/pre> <\/div>\n
        \n
      • Or cast the object to an array:<\/li>\n<\/ul>\n
         
         Php Code<\/span> <\/div> 
        $result = (array) json_decode($json);<\/code><\/pre> <\/div>\n
          \n
        • Use the second parameter of json_decode to make it return an array:<\/li>\n<\/ul>\n
           
           Php Code<\/span> <\/div> 
          $result = json_decode($data, true);<\/code><\/pre> <\/div>\n[ad type=”banner”]\n
            \n
          • Use true as the second parameter to json_decode.<\/li>\n
          • This will decode the json into an associative array instead of stdObject instances:<\/li>\n<\/ul>\n
             
             Php Code<\/span> <\/div> 
            $my_array = json_decode($my_json, true);<\/code><\/pre> <\/div>\n
              \n
            • If we call json_decode($somestring) we will get an Object and we need to access like $object->key,<\/li>\n
            • But if we call json_decode($somestring, true) we will get an array and can access like $array[‘key’]<\/li>\n<\/ul>\n
              We can convert stdClass object to array :<\/p>\n
               
               Php Code<\/span> <\/div> 
              $array = (array)$stdClass;<\/code><\/pre> <\/div>\n[ad type=”banner”]\n
              function:<\/p>\n
               
               Php Code<\/span> <\/div> 
              mixed json_decode ( string $json [, bool $assoc = false [, int $depth = 512 [, int $options = 0 ]]] )<\/code><\/pre> <\/div>\n
                \n
              • When param is false, which is default, it will return an appropriate php type.<\/li>\n
              • When param is true, it will return associative arrays.<\/li>\n
              • It will return NULL on error.<\/li>\n
              • If we want to fetch value through array, set assoc to true.<\/li>\n<\/ul>\n
                we must access it using -> since its an object.<\/p>\n
                Change our code from:<\/p>\n
                 
                 Php Code<\/span> <\/div> 
                $result['context'];<\/code><\/pre> <\/div>\n
                To:<\/p>\n
                 
                 Php Code<\/span> <\/div> 
                $result->context;<\/code><\/pre> <\/div>\n
                  \n
                • print_r \u2014 Prints human-readable information about a variable<\/li>\n
                • When we use json_decode();, we get an object of type stdClass as return type.<\/li>\n
                • The arguments, which are to be passed inside of print_r() should either be an array or a string. Hence, we cannot pass an object inside of print_r(). There are two ways to deal with this.<\/li>\n<\/ul>\n
                  1. Cast the object to array.
                  \nThis can be achieved as follows.<\/p>\n
                   
                   php Code<\/span> <\/div> 
                  $a = (array)$object;<\/code><\/pre> <\/div>\n
                  2. By accessing the key of the Object
                  \nwhen we use json_decode(); function, it returns an Object of stdClass. we can access the elements of the object with the help of -> Operator.<\/p>\n
                   
                   Php Code<\/span> <\/div> 
                  $value = $object->key;<\/code><\/pre> <\/div>\n
                    \n
                  • Use multiple keys to extract the sub elements incase if the object has nested arrays.<\/li>\n<\/ul>\n
                     
                     Php Code<\/span> <\/div> 
                    $value = $object->key1->key2->key3...;<\/code><\/pre> <\/div>\n
                    Their are many options to print_r() like var_dump(); and var_export();<\/p>\n[ad type=”banner”]\n","protected":false},"excerpt":{"rendered":"
                    PROBLEM : We get a strange error using json_decode(). It decode correctly the data, but when we try to access info inside the array we get the following: We tried to do: $result[‘context’] where $result has the data returned by json_decode() php json SOLUTION 1: The function json_decode() returns an object by default. Access the […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[25],"tags":[3889,3893,3887,3891,3888,3892,3886,1741,3890,3885],"class_list":["post-1837","post","type-post","status-publish","format-standard","hentry","category-php","tag-cannot-use-object-of-type-stdclass-as-array","tag-cannot-use-object-of-type-stdclass-as-array-json","tag-cannot-use-object-of-type-stdclass-as-array-in","tag-cannot-use-object-of-type-stdclass-as-array-magento","tag-cannot-use-object-of-type-stdclass-as-arrayphp","tag-json-decode-fatal-error-cannot-use-object-of-type-stdclass-as-array-in","tag-json_decode-to-array","tag-php","tag-php-cannot-use-object-of-type-stdclass-as-array","tag-what-is-the-correct-json-content-type"],"_links":{"self":[{"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/posts\/1837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/comments?post=1837"}],"version-history":[{"count":0,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/posts\/1837\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/media?parent=1837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/categories?post=1837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wikitechy.com\/technology\/wp-json\/wp\/v2\/tags?post=1837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}