ignore_user_abort

Set whether a client disconnect should abort script execution (PHP 3 >= 3.0.7, PHP 4, PHP 5)
int ignore_user_abort ( [bool setting] )

This function sets whether a client disconnect should cause a script to be aborted. It will return the previous setting and can be called without an argument to not change the current setting and only return the current setting. See the Connection Handling section in the Features chapter for a complete description of connection handling in PHP.

See also connection_aborted(), and connection_status().