imap_errors
    (PHP 3>= 3.0.12, PHP 4 )
imap_errors -- 
     This function returns all of the IMAP errors (if any) that have
     occurred during this page request or since the error stack was
     reset.
    
Description
array 
imap_errors ( void )
     This function returns an array of all of the IMAP error messages
     generated since the last imap_errors() call,
     or the beginning of the page. When
     imap_errors() is called, the error stack is
     subsequently cleared.