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  3. stream_supports_lock Tells whether the stream supports locking.

stream_supports_lock Tells whether the stream supports locking.

stream_supports_lock

(PHP 5 >= 5.3.0)

stream_supports_lock — Tells whether the stream supports locking.

说明

bool stream_supports_lock ( resource $stream )

Tells whether the stream supports locking through flock().

参数

stream

The stream to check.

返回值

成功时返回 TRUE， 或者在失败时返回 FALSE.

参见

  • flock() - 轻便的咨询文件锁定
«  stream_socket_shutdown
» stream_wrapper_restore
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PHPStreams - 函数
  • set_socket_blocking
  • stream_bucket_append
  • stream_bucket_make_writeable
  • stream_bucket_new
  • stream_bucket_prepend
  • stream_context_create
  • stream_context_get_default
  • stream_context_get_options
  • stream_context_get_params
  • stream_context_set_default
  • stream_context_set_option
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  • stream_copy_to_stream
  • stream_encoding
  • stream_filter_append
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  • stream_filter_register
  • stream_filter_remove
  • stream_get_contents
  • stream_get_filters
  • stream_get_line
  • stream_get_meta_data
  • stream_get_transports
  • stream_get_wrappers
  • stream_is_local
  • stream_notification_callback
  • stream_register_wrapper
  • stream_resolve_include_path
  • stream_select
  • stream_set_blocking
  • stream_set_read_buffer
  • stream_set_timeout
  • stream_set_write_buffer
  • stream_socket_accept
  • stream_socket_client
  • stream_socket_enable_crypto
  • stream_socket_get_name
  • stream_socket_pair
  • stream_socket_recvfrom
  • stream_socket_sendto
  • stream_socket_server
  • stream_socket_shutdown
  • stream_supports_lock
  • stream_wrapper_restore
  • stream_wrapper_unregister
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