stream_context_get_params()
(PHP 5 >= 5.3.0, PHP 7)
Retrieves parameters from a context
说明
stream_context_get_params(resource $stream_or_context): array
Retrieves parameter and options information from the stream or context.
参数
- $stream_or_context
A streamresourceor acontextresource
返回值
Returns an associate array containing all context options and parameters.
范例
Example #1stream_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)); ?>
以上例程的输出类似于:
array(2) { ["notification"]=> string(28) "stream_notification_callback" ["options"]=> array(0) { } }
参见
stream_context_set_option()
对资源流、数据包或者上下文设置参数stream_context_set_params()
Set parameters for a stream/wrapper/context
Note that if the resource parameter is invalid the function will return a boolean with value false. The code: $r = null $cert = stream_context_get_params($r); var_dump($cert); will return: bool(false)