PHP Fatal Error 'yii\base\ErrorException' with message 'Allowed memory size of 134217728 bytes exhausted (tried to allocate 20480 bytes)'

[githubjeka]

in /var/www/html/vendor/halaxa/json-machine/src/Parser.php:181

$accounts =\JsonMachine\JsonMachine::fromFile('data.json');

FILE:
https://mega.nz/#!SUchmYSA
key is 8nEKU0-JUQzx39x8V1_my_dELb71C12rG5knMULEySc

[halaxa]

The provided JSON file contains subtree "accounts". Did you try to iterate that subtree or the whole file?

This might go out of memory:

$accounts = JsonMachine::fromFile('data.json');

because it iterates the top level and your code in foreach will be given $key == "accounts" and $value == [array of all accounts]

This will work: (tested on provided file)

$accounts = JsonMachine::fromFile('data.json', '/accounts');

because it will lazy iterate the huge array at "accounts" one by one (see Parsing a subtree).

[halaxa]

Closing as not a bug. Feel free to comment if needed.

[Mwisho]

Hi Halaxa, I'm getting the same error with this code:

require_once __DIR__ . '/vendor/autoload.php';
$client = new \GuzzleHttp\Client();
$respose = $client->request('GET', 'https://url/'. $sku .'/combinations', 
    ['headers' => [
        'API-Secret' => 'xxx',
        'User-ID' => 'xxx'
    ]
]);
// Gets PHP stream resource from Guzzle stream
$phpStream = \GuzzleHttp\Psr7\StreamWrapper::getResource($respose->getBody());
$result = iterator_to_array(\JsonMachine\JsonMachine::fromStream($phpStream));

The response looks like this:

[{"product":{"information":{"deliveryDays":"8","plano":{"width":206,"height":71}},"attributes":[{"attribute":"format","value":"330 Ml"},{"attribute":"bottle colour","value":"Transparent"},{"attribute":"type bottle cap","value":"Sports Cap"},{"attribute":"colour options","value":"Dark Blue"},{"attribute":"quantity","value":"96"},{"attribute":"printing process","value":"Digital"},{"attribute":"printing colors","value":"4\/0 Full Color"},{"attribute":"delivery time","value":"Normal"}],"price":10.10}},{"product":{"information":{"deliveryDays":"8","plano":{"width":206,"height":71}},"attributes":[{"attribute":"format","value":"330 Ml"},{"attribute":"bottle colour","value":"Transparent"},{"attribute":"type bottle cap","value":"Sports Cap"},{"attribute":"colour options","value":"Dark Blue"},{"attribute":"quantity","value":"144"},{"attribute":"printing process","value":"Digital"},{"attribute":"printing colors","value":"4\/0 Full Color"},{"attribute":"delivery time","value":"Normal"}],"price":10.10}}, ...

I tried $result = iterator_to_array(\JsonMachine\JsonMachine::fromStream($phpStream, '/')); but that way I only get the first item...

[halaxa]

Hi @Mwisho, I apologize for the possibly misleading guzzle example. The iterator_to_array call was there just for the test. You souhldn't use it in production as it loads everything into memory. The example has been fixed in master branch. You need to iterate the iterator to laverage the advantages of JsonMachine.

Try:

...
// Gets PHP stream resource from Guzzle stream
$phpStream = \GuzzleHttp\Psr7\StreamWrapper::getResource($respose->getBody());
foreach (\JsonMachine\JsonMachine::fromStream($phpStream) as $product) {
    var_dump($product['information']);
}

[Mwisho]

Thanks for your fast response and the fix!

[halaxa]

@Mwisho, by the way, thank you for pointing out, that pointer '/' returns first item when iterating array. That's wrong behaviour. It should not return anything. I'm creating an issue for that #6 .