Static Code Analysis
https://blog.codacy.com/review-of-php-static-analysis-tools-e022baf10cc5
https://stackoverflow.com/questions/1235513/php-call-graph-utility
Tools to generate call graph:
http://www.stack.nl/~dimitri/doxygen/
http://phpcallgraph.sourceforge.net/
http://www.phpclasses.org/package/6688-PHP-Generate-call-graphs-of-PHP-code-with-GraphViz.html
http://www.nwiresoftware.com/products/nwire-php
page revision: 1, last edited: 17 Nov 2017 06:39