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# ftp_set_option

(PHP 4 >= 4.2.0, PHP 5)

ftp_set_option -- Set miscellaneous runtime FTP options

## Description

bool ftp_set_option ( resource ftp_stream, int option, mixed value)

Returns `TRUE` if the option could be set; `FALSE` if not. A warning message will be thrown if the option is not supported or the passed value doesn't match the expected value for the given option.

This function controls various runtime options for the specified FTP stream. The value parameter depends on which option parameter is chosen to be altered. Currently, the following options are supported:

表格 1.Supported runtime FTP options

FTP_TIMEOUT_SEC | Changes the timeout in seconds used for all network related functions. value must be an integer that is greater than 0. The default timeout is 90 seconds.
FTP_AUTOSEEK | When enabled, GET or PUT requests with a resumepos or startpos parameter will first seek to the requested position within the file. This is enabled by default.

示範 1.ftp_set_option() example

`<?php // Set the network timeout to 10 seconds ftp_set_option($conn_id, FTP_TIMEOUT_SEC, 10); ?>`

See also ftp_get_option().

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