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For 2023 (and 2024 ...) - we are now fully retired from IT training.
We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.

Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!

I am also active in many other area and still look after a lot of web sites - you can find an index ((here))
Testing code coverage (have I tested everything?) in PHP

When you write a series of tests for your code and they all pass, have you tested everything? Not Necessarily - you only know that you have passed all the tests that you set, and not that the test set could be considered to be complete.

PHPUnit - the unit test suite for PHP - includes a coverage option which will let you check whether each class and method of the code that you're testing has been run as a part of the tests, and will tell you how many times each statement has been executed during testing. Simply run the phpunit command with the appropriate option:
  phpunit --coverage-html /var/www/html/cover five.php

As the results are extensive, they don't come as a single file but rather as a complete web folder, and in my command I've redirected that to a directory that's within my web document root so that I can browse to it:

And I can also explore the source code and the number of times each conditional group of statements / loop has been run:

For details of writing the tests for PHPunit, see previous article [here].
(written 2012-12-21, updated 2012-12-22)

Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
H311 - Testing your PHP
  [3426] Automed web site testing scripted in Ruby using watir-webdriver - (2011-09-09)
  [3623] Some TestWise examples - helping use Ruby code to check your web site operation - (2012-02-24)
  [3958] Testing classes for your PHP website with PHPUnit - (2012-12-20)
  [4652] Testing new algorithms in PHP - (2016-02-20)

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