“If eval() is the answer, you're almost certainly asking the wrong question.”
Rasmus Lerdorf (1968) Danish programmer and creator of PHP
PHP.net: eval http://php.net/eval, Anonymous comment, 2004 <br class="br"> PHP in a Nutshell https://www.oreilly.com/library/view/php-in-a/0596100671/re47.html by Paul Hudson, 2005