stream_context_set_params

(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)

stream_context_set_params — Set parameters for a stream/wrapper/context

stream_context_set_params(resource $context, array $params): true

Sets parameters on the specified context.

context

The stream or context to apply the parameters too.

params

An associative array of parameters to be set in the following format: $params['paramname'] = "paramvalue";.

**Supported parameters**
Parameter	Purpose
`notification`	Name of user-defined callback function to be called whenever a stream triggers a notification. Only supported for http:// and ftp:// stream wrappers.
`options`	Array of options as in context options and parameters.

成功时返回 true，或者在失败时返回 false。

stream_notification_callback() - A callback function for the notification context parameter

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