Accessing object from array returns undefined

Question

Below is the print output from $_POST['image']

stdClass Object
(
    [0] => Array
        (
            ['filename'] => cn-100x100.png
            ['contents'] => 
        )

    [1] => Array
        (
            ['filename'] => 
            ['contents'] => 
        )

)

when I do,

echo '<pre>';
print_r((object)$_POST['image'][0]['filename']);
exit;

it gives me an error

Notice: Undefined index: filename

Update

I tried to do var_dump( (array)$_POST['image']),

array(2) { ["'filename'"]=> string(14) "cn-100x100.png" ["'contents'"]=> string(10218) "base64..."}

If I removed the base64 data from the array column ['contents'], now I can access the first array.

$array = array( 0 => [ "filename" => 'cn-100x100.png', "contents" => '' ], 1 =>[ "filename" => '', "contents" => '' ], ); print_r((object)$array[0]['filename']); this works — Deepak A
– Deepak A, Commented Mar 29, 2019 at 4:39
Theres a base64 data on the column contents If I removed the base64 data from the array column ['contents'], now I can access the first array. Any ideas, help? — Juliver Galleto
– Juliver Galleto, Commented Mar 29, 2019 at 5:54
stackoverflow.com/questions/48599135/… ,it is a similar issue please refer — Deepak A
– Deepak A, Commented Mar 29, 2019 at 5:58

Zain Farooq · Accepted Answer · 2019-03-29 04:29:15Z

1

you can update it

echo '<pre>';
print_r((array)$_POST['image'][0]['filename']);
exit;

edited Mar 29, 2019 at 4:29

Zain Farooq

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answered Mar 29, 2019 at 4:28

TuChiDo

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1 Comment

Juliver Galleto Over a year ago

Theres a base64 data on the column contents If I removed the base64 data from the array column ['contents'], now I can access the first array. Any ideas, help?

Rylee · Accepted Answer · 2019-03-29 05:35:06Z

1

Object properties cannot be accessed by using $object['property_name']

You have to use the arrow syntax $object->property_name or $object->{'property_name'}

In this case it looks like somehow $_POST['image'] has been defined as an object, so you would have to use: $_POST['image']->{'0'}['filename']

You could also convert it to an array by using: $_POST['image'] = (array)$_POST['image'];

answered Mar 29, 2019 at 5:35

Rylee

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2 Comments

Juliver Galleto Over a year ago

Theres a base64 data on the column contents If I removed the base64 data from the array column ['contents'], now I can access the first array. Any ideas, help?

Rylee Over a year ago

A bit of a hack, but consistent way to convert objects to array is by using: $variable = json_decode(json_encode($variable),true); - try applying this to $_POST['image'] variable

Mayank Dudakiya · Accepted Answer · 2019-03-29 05:50:35Z

1

Convert all the object into the array by following way

$all_images= (array) $_POST['image'];

echo '<pre>';
print_r($all_images);
echo '</pre>';

Now, you can access like this $all_images[0]['filename']

answered Mar 29, 2019 at 5:50

Mayank Dudakiya

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