When debugging in PHP there are a few techniques you can use, you could use something like Xdebug which will allow you to step through your code at run time and you can see exactly what the code is doing
Software is the Central Nervous System of modern business, this is something that Bill Gates asserted way back in 1999 in his book “Business @ the Speed of Thought”, and it is even more true in 2013 than it was in 1999.
Because we can find the value of the definite integral at any points we want, we can use another technique to turn that data into a formula. The technique we’ll be using is known as a genetic algorithm.
Selenium tests catch any issue that hampers real users from accessing your application, with a special focus on rendering problems and cross-browser issues. When creating screenshots with them take into account this advice to avoid false positives and always-red test suites.
In this series I’ll tell you about the strategies and technologies that (in my experience) have been the most successful in improving PHP performance. To start off, however, we’ll talk about some of the easy wins in PHP performance tuning.