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How do i save a base64 decoded image to file_managed?

I’m trying to save my image to Drupal’s file_managed table. However, my image is coming from base64 decode:

 $filename = "sign-".$user->id(); // returns "sign-1234"  $image_raw = $form_state->getValue('signature'); // returns base64 string of png  $data = base64_decode(preg_replace('#^data:image/w+;base64,#i', '', $image_raw));  $image = file_put_contents('private://requestformfiles/'.$filename.'.png', $data);   $file = File::load($image); // does not get anything  $file->setPermanent(); // fails  $file->save();    $result = $connection->insert('request_id')         ->fields([             ...             'signature' => $image,             ...         ])         ->execute();

From what i see, My file successfully uploads into the private files folder, and image returns a random 4 digit number. However, when setting it to file_managed in the Database, it fails, since File::load cannot see my $image.

Any help is again, appreciated.

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How do i save a base64 decoded image to file_managed?

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