google app engine - PHP fails fopen if the file is large -

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i'm running app on google app engine, on php.

i'm using following code download file api:

$context = [    "http" => [    "method" => "get",    "header" => "authorization: ".$token."\r\n",    "follow_location"=>1,    "timeout"=>600,    "ignore_errors"=>1               ]             ]; $context = stream_context_create($context); $sourcefile = fopen($location,"r", false,$context) or die("no handle");

this code followed chunk read , write resource (basically i'm storing file on google storage).

$destinationfile = fopen($filename,"w"); while ($buffer = fread($sourcefile, 1048576)) {       fwrite($destinationfile,$buffer); }

the issue code work if file small (circa below 30 mb) fopen fails if file large. have "no handle" message.

it's kinda weird because explictly avoided use file_get_contents download entire file in memory , don't understand why fopen should fail!

can me? thanks

the limit 32 megabytes. why fails. limit not, apparently, apply locally, hence why works on dev server.

https://cloud.google.com/appengine/docs/python/urlfetch/#python_quotas_and_limits


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