stream_context_set_option

(PHP 4 >= 4.3.0, PHP 5)

stream_context_set_option — Sets an option for a stream/wrapper/context

bool stream_context_set_option ( resource $stream_or_context , string $wrapper , string $option , mixed $value )

bool stream_context_set_option ( resource $stream_or_context , array $options )

Sets an option on the specified context. value is set to option for wrapper

stream_or_context: The stream or context resource to apply the options too.
options: The options to set for the default context.

Note:
options must be an associative array of associative arrays in the format $arr['wrapper']['option'] = $value.

Refer to context options and parameters for a listing of stream options.

成功时返回 TRUE，或者在失败时返回 FALSE.