как правильно сделать домашнее задание EP

Folgende Warnungen sind aufgetreten:

Warning [2] Use of undefined constant SAPI_NAME - assumed 'SAPI_NAME' (this will throw an Error in a future version of PHP) - Line: 3370 - File: inc/functions.php PHP 7.4.33 (Linux)

File	Line	Function
/inc/functions.php	3370	errorHandler->error
/showthread.php	116	build_archive_link

Warning [2] Use of undefined constant IN_ARCHIVE - assumed 'IN_ARCHIVE' (this will throw an Error in a future version of PHP) - Line: 3313 - File: inc/functions.php PHP 7.4.33 (Linux)

File	Line	Function
/inc/functions.php	3313	errorHandler->error
/inc/functions.php	3306	build_forum_breadcrumb
/showthread.php	195	build_forum_breadcrumb

Warning [2] Use of undefined constant IN_ARCHIVE - assumed 'IN_ARCHIVE' (this will throw an Error in a future version of PHP) - Line: 3313 - File: inc/functions.php PHP 7.4.33 (Linux)

File	Line	Function
/inc/functions.php	3313	errorHandler->error
/showthread.php	195	build_forum_breadcrumb

Warning [2] count(): Parameter must be an array or an object that implements Countable - Line: 786 - File: showthread.php PHP 7.4.33 (Linux)

File	Line	Function
/showthread.php	786	errorHandler->error

Warning [2] preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead - Line: 631 - File: inc/class_parser.php PHP 7.4.33 (Linux)

File	Line	Function
[PHP]		errorHandler->error
/inc/class_parser.php	631	preg_replace
/inc/class_parser.php	345	postParser->mycode_parse_quotes
/inc/class_parser.php	153	postParser->parse_mycode
/inc/functions_post.php	571	postParser->parse_message
/showthread.php	795	build_postbit

Warning [2] preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead - Line: 352 - File: inc/class_parser.php PHP 7.4.33 (Linux)

File	Line	Function
[PHP]		errorHandler->error
/inc/class_parser.php	352	preg_replace
/inc/class_parser.php	153	postParser->parse_mycode
/inc/functions_post.php	571	postParser->parse_message
/showthread.php	795	build_postbit

Warning [2] preg_match(): The /e modifier is no longer supported, use preg_replace_callback instead - Line: 357 - File: inc/class_parser.php PHP 7.4.33 (Linux)

File	Line	Function
[PHP]		errorHandler->error
/inc/class_parser.php	357	preg_match
/inc/class_parser.php	153	postParser->parse_mycode
/inc/functions_post.php	571	postParser->parse_message
/showthread.php	795	build_postbit

Warning [2] preg_match(): The /e modifier is no longer supported, use preg_replace_callback instead - Line: 364 - File: inc/class_parser.php PHP 7.4.33 (Linux)

File	Line	Function
[PHP]		errorHandler->error
/inc/class_parser.php	364	preg_match
/inc/class_parser.php	153	postParser->parse_mycode
/inc/functions_post.php	571	postParser->parse_message
/showthread.php	795	build_postbit

Warning [2] preg_match(): The /e modifier is no longer supported, use preg_replace_callback instead - Line: 370 - File: inc/class_parser.php PHP 7.4.33 (Linux)

File	Line	Function
[PHP]		errorHandler->error
/inc/class_parser.php	370	preg_match
/inc/class_parser.php	153	postParser->parse_mycode
/inc/functions_post.php	571	postParser->parse_message
/showthread.php	795	build_postbit

Warning [2] preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead - Line: 378 - File: inc/class_parser.php PHP 7.4.33 (Linux)

File	Line	Function
[PHP]		errorHandler->error
/inc/class_parser.php	378	preg_replace
/inc/class_parser.php	153	postParser->parse_mycode
/inc/functions_post.php	571	postParser->parse_message
/showthread.php	795	build_postbit

Warning [2] preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead - Line: 379 - File: inc/class_parser.php PHP 7.4.33 (Linux)

File	Line	Function
[PHP]		errorHandler->error
/inc/class_parser.php	379	preg_replace
/inc/class_parser.php	153	postParser->parse_mycode
/inc/functions_post.php	571	postParser->parse_message
/showthread.php	795	build_postbit

Warning [2] preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead - Line: 380 - File: inc/class_parser.php PHP 7.4.33 (Linux)

File	Line	Function
[PHP]		errorHandler->error
/inc/class_parser.php	380	preg_replace
/inc/class_parser.php	153	postParser->parse_mycode
/inc/functions_post.php	571	postParser->parse_message
/showthread.php	795	build_postbit

Warning [2] preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead - Line: 381 - File: inc/class_parser.php PHP 7.4.33 (Linux)

File	Line	Function
[PHP]		errorHandler->error
/inc/class_parser.php	381	preg_replace
/inc/class_parser.php	153	postParser->parse_mycode
/inc/functions_post.php	571	postParser->parse_message
/showthread.php	795	build_postbit

Warning [2] preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead - Line: 387 - File: inc/class_parser.php PHP 7.4.33 (Linux)

File	Line	Function
[PHP]		errorHandler->error
/inc/class_parser.php	387	preg_replace
/inc/class_parser.php	153	postParser->parse_mycode
/inc/functions_post.php	571	postParser->parse_message
/showthread.php	795	build_postbit