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)
stream_context_get_params
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
stream_context_get_params — Retrieves parameters from a context
说明
Retrieves parameter and options information from the stream or context.
返回值
Returns an associate array containing all context options and parameters.
示例
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) {
}
}
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
add a note
User Contributed Notes 1 note
m dot staas at goowy dot com ¶
8 years ago
