Last time, we mostly looked at the difference between cookies and sessions (relating to PHP-provided sessions.This time, let’s go a bit heavy on the code, and learn about things to watch out for during implementation.
The largest PHP event in Japan, PHP Conference Japan 2019, was held on December 1st, 2019. PHP Conference Japan is actually the world’s first PHP Conference.
Previously, we learned about the hash itself, the first step in preserving and comparing passwords. This time, we use that knowledge to learn about how passwords should be saved.
In this column, let’s learn about hash functions as a prelude to learning about ways to save and compare passwords. First, I’ll discuss hashing.
In the last column, we used the combination of the functions random_bytes() and [bin2hex|base64_encode]() to create tokens. What are tokens used for?
In this article, I’ll talk a little about PHP usage in Japan. 79.1% of the servers on the internet run PHP.
PHP comes with math functions.Of these functions, several don’t seem to be used much outside of specific jobs.
In my last column, I said that depending on the circumstances, it is possible that an error may be produced when calculating a total, for example in an accounting system. Let’s explore such a situation in more detail.
I’m Michiaki Furusho. I often use the handle “gallu” on the Web.