Earlier quoted context omitted.
> Python is not suitable for complex multi-layered systems But PHP is? I cannot imagine a "complex multi-layered system" for which PHP is a better solution than a Python stack.
PHP has (almost) complete strong typing system and all the bells and whistles of OOP needed to implement said systems using proper patterns and methodologies and make it modular and testable enough to be robust and supportable for a long time.
$ php --version
PHP 7.3.11 (cli) (built: Jun 5 2020 23:50:40) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.3.11, Copyright (c) 1998-2018 Zend Technologies
$ php -r 'echo "123" + 45;'
168
Contrast with Python: Python 3.8.3 (default, Jun 1 2020, 10:55:34)
>>> "123" + 45
Traceback (most recent call last):
File "", line 1, in
TypeError: can only concatenate str (not "int") to str