streamWrapper::stream_set_option()

(PHP 5 >= 5.3.0, PHP 7)

Change stream options

说明

This method is called to set options on the stream.

参数

One of:

• STREAM_OPTION_BLOCKING(The method was called in response tostream_set_blocking())
• STREAM_OPTION_READ_TIMEOUT(The method was called in response tostream_set_timeout())
• STREAM_OPTION_WRITE_BUFFER(The method was called in response tostream_set_write_buffer())

If$optionis

• STREAM_OPTION_BLOCKING: requested blocking mode (1 meaning block 0 not blocking).
• STREAM_OPTION_READ_TIMEOUT: the timeout in seconds.
• STREAM_OPTION_WRITE_BUFFER: buffer mode (STREAM_BUFFER_NONEorSTREAM_BUFFER_FULL).

If$optionis

• STREAM_OPTION_BLOCKING: This option is not set.
• STREAM_OPTION_READ_TIMEOUT: the timeout in microseconds.
• STREAM_OPTION_WRITE_BUFFER: the requested buffer size.

返回值

成功时返回TRUE，或者在失败时返回FALSE。If$optionis not implemented,FALSEshould be returned.

参见

• stream_set_blocking() 为资源流设置阻塞或者阻塞模式
• stream_set_timeout()Set timeout period on a stream
• stream_set_write_buffer()Sets write file buffering on the given stream

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