PHP 4, PHP 5, PHP 7, PHP 8
imap_errors - Returns all of the IMAP errors that have occurred
Gets all of the IMAP errors (if any) that have occurred during this page request or since the error stack was reset.
When imap_errors is called, the error stack is subsequently cleared.
This function has no parameters.
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. Returns false if no error messages are available.