(PHP 5 >= 5.3.0, PHP 7, PHP 8)
stream_context_get_params — Retrieves parameters from a context
Retrieves parameter and options information from the stream or context.
Returns an associate array containing all context options and parameters.
示例 #1 stream_context_get_params() example
Basic usage example
<?php
$ctx = stream_context_create();
$params = array("notification" => "stream_notification_callback");
stream_context_set_params($ctx, $params);
var_dump(stream_context_get_params($ctx));
?>以上示例的输出类似于：
array(2) { ["notification"]=> string(28) "stream_notification_callback" ["options"]=> array(0) { } }