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(PHP 5 >= 5.3.0)
streamWrapper::stream_set_option — Change stream options
$option
, int $arg1
, int $arg2
)This method is called to set options on the stream.
option One of:
STREAM_OPTION_BLOCKING (The method was called in response to stream_set_blocking() )STREAM_OPTION_READ_TIMEOUT (The method was called in response to stream_set_timeout() )STREAM_OPTION_WRITE_BUFFER (The method was called in response to stream_set_write_buffer() )arg1
If option is
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 or STREAM_BUFFER_FULL ).arg2
If option is
STREAM_OPTION_BLOCKING : This option is not set.STREAM_OPTION_READ_TIMEOUT : the timeout in microseconds.STREAM_OPTION_WRITE_BUFFER : the requested buffer size.
成功时返回 TRUE , 或者在失败时返回 FALSE 。
If option is not implemented, FALSE should be
returned.