(PHP 3 >= 3.0.7, PHP 4, PHP 5)
ignore_user_abort -- 
     Set whether a client disconnect should abort script execution
    
Description
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().