249                 foreach ($err as $key => $value) {
250                     $message .= "[$key] $value" . PHP_EOL;
287             foreach ($options as $key => $value) {
290                     $this->{$method}($request, $context, $value, $params);
377         foreach ($request->getHeaders() as $name => $value) {
378             foreach ($value as $val) {
408     private function add_proxy(RequestInterface $request, &$options, $value, &$params)  argument
410         if (!is_array($value)) {
411             $options['http']['proxy'] = $value;
414             if (isset($value[$scheme])) {
415                 if (!isset($value['no'])
418                         $value['no']
421                     $options['http']['proxy'] = $value[$scheme];
427     private function add_timeout(RequestInterface $request, &$options, $value, &$params)  argument
429         if ($value > 0) {
430             $options['http']['timeout'] = $value;
434     private function add_verify(RequestInterface $request, &$options, $value, &$params)  argument
436         if ($value === true) {
442         } elseif (is_string($value)) {
443             $options['ssl']['cafile'] = $value;
444             if (!file_exists($value)) {
445                 throw new \RuntimeException("SSL CA bundle not found: $value");
447         } elseif ($value === false) {
460     private function add_cert(RequestInterface $request, &$options, $value, &$params)  argument
462         if (is_array($value)) {
463             $options['ssl']['passphrase'] = $value[1];
464             $value = $value[0];
467         if (!file_exists($value)) {
468             throw new \RuntimeException("SSL certificate not found: {$value}");
471         $options['ssl']['local_cert'] = $value;
474     private function add_progress(RequestInterface $request, &$options, $value, &$params)  argument
478             function ($code, $a, $b, $c, $transferred, $total) use ($value) {
480                     $value($total, $transferred, null, null);
486     private function add_debug(RequestInterface $request, &$options, $value, &$params)  argument
488         if ($value === false) {
507         $value = \GuzzleHttp\debug_resource($value);
511             function () use ($ident, $value, $map, $args) {
514                 fprintf($value, '<%s> [%s] ', $ident, $map[$code]);
516                     fwrite($value, $args[$i] . ': "' . $v . '" ');
518                 fwrite($value, "\n");