Set the default streams context stream_context_get_options stream_context_set_option Stream Functions PHP Manual stream_context_set_default (No version information available, might be only in CVS)stream_context_set_default — Set the default streams context Description resource stream_context_set_default ( array $options ) Set the default stream context which will be used whenever file operations (fopen(), file_get_contents(), etc...) are called without a context parameter. Uses the same syntax as stream_context_create(). Returns the default stream context. options must be an associative array of associative arrays in the format $arr['wrapper']['option'] = $value. Example #1 Using stream_context_set_default() <?php$default_opts = array( 'http'=>array( 'method'=>"GET", 'header'=>"Accept-language: en\r\n" . "Cookie: foo=bar", 'proxy'=>"tcp://10.54.1.39:8000" ));$default = stream_context_set_default($default_opts);/* Sends a regular GET request to proxy server at 10.54.1.39 * For www.example.com using context options specified in $default_opts */readfile('http://www.example.com');?> See also stream_context_create(), stream_context_get_create() and Listing of supported wrappers with context options (List of Supported Protocols/Wrappers). stream_context_get_options stream_context_set_option Stream Functions PHP Manual