streamWrapper::stream_set_option()
(PHP 5 >= 5.3.0, PHP 7)
Change stream options
说明
public streamWrapper::stream_set_option(int $option,int $arg1,int $arg2): bool
This method is called to set options on the stream.
参数
- $option
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())
- $arg1
If$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_NONE
orSTREAM_BUFFER_FULL
).
- $arg2
If$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,FALSE
should 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 streamstream_set_write_buffer()
Sets write file buffering on the given stream