performance - Is it worth calling php fclose twice? -


i have script set run once per hour. 

$refresh_token_file = fopen("refresh_token", "r+") or die("unable open refresh_token file!"); $refresh_token = fgets($refresh_token_file); fclose($refresh_token_file);  $url = 'https://api.coolwebsite.com';  $fields = array(     'client_id'     => '007',     'refresh_token' => $refresh_token     );  $curl = curl_init($service_url); curl_setopt($curl, curlopt_returntransfer, true); curl_setopt($curl, curlopt_post, count($fields)); curl_setopt($curl, curlopt_postfields, $fields); $curl_response = curl_exec($curl); curl_close($curl); $json = json_decode($curl_response, true);  if(isset($json['access_token']) && isset($json['refresh_token'])){     $access_token = $json['access_token'];     $refresh_token = $json['refresh_token'];      $access_token_file = fopen("access_token", "w") or die("unable open access_token file!");     $refresh_token_file = fopen("refresh_token", "w") or die("unable open refresh_token file!");      fwrite($access_token_file, $access_token);     fwrite($refresh_token_file, $refresh_token);      fclose($access_token_file);     fclose($refresh_token_file); }else{     die("error @ json"); }

as see, open , close same file (refresh_token) twice. worth effort make close once?

this may overthinking; got pomodoro time spare. attention.

opening , closing files expensive operation they require server allocate resources , set of buffers. better keep open file open further work required on it. means open once, complete operations , close it.


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