PHP - Manual: streamWrapper::stream_set_option
2024-12-22
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
streamWrapper::stream_set_option — Change stream options
$option
, int $arg1
, int $arg2
): boolThis 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.
官方地址:https://www.php.net/manual/en/streamwrapper.stream-set-option.php