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connection_aborted

Name

connection_aborted — Checks whether the remote client has disconnected.

Synopsis

int connection_aborted(void)

Returns

1 if the connection has been aborted; 0 for all other cases.

Description

connection_aborted() checks whether the remote client has disconnected, either because of a network error or via the browser's stop functionality. This function can be used in conjunction with the register_shutdown_function() and ignore_user_abort() functions to allow developers to handle cases in which the client aborts the script before it completes running.

Example

Example 184. Write a log message if the client aborts the script

// place the following code at the top of your script

// a simple function that logs user-aborted scripts
function catch_user_abort () {
   if (connection_aborted ())
      error_log ("Script $GLOBALS[SCRIPT_NAME] on server " .
         "$GLOBALS[SERVER_NAME] was aborted by the user.");
}

// register a handler function to be called at script end
register_shutdown_function ('catch_user_abort');

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PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.