The Secret Life of “Magic Null” in PHP PHP 8 has started a tightening in native functions arguments: every version brings stricter checks on calls to common functions. Gone are the days of passing null into a function expecting an integer and hoping for the best. Today, usort($arr, null) or array_walk($arr, null) will instantly crash […]
12
Mar
Mar
PHP Inheritance Challenge: Calling All Ancestors PHP’s object-oriented features are exhaustive and modern, yet sometimes life send you a little challenge: who doesn’t like a surprise? Today we’ll look at a rare inheritance puzzle. In this post, we are calling all ancestors in a class hierarchy. We start with three classes, extending each other in […]
03
Jul
Jul
Infinite loops in PHP Sometimes, they are demonized, and sometimes, they are useful. Infinite loops come in a variety of options in PHP, so let’s put them neatly on a shelf, with all theirs variations. Classic while (true) To make an infinite loop, the most simple is to take a loop, and make it unconditional. […]
10
Jun
Jun
How to make emojis in PHP You might want to use emojis both in your online comments and your PHP code. The later, mostly to hander the former, although PHP handles emojis gracefully. That are the methods to make emojis in PHP? Straight in the code PHP supports code savec in UTF-8. And emojis are […]
01
Apr
Apr
Speed up ksort() ksort()is the PHP native function that sorts an array by its keys, while maintaining the relationship with the values. It has been in the language since the beginning (last millenium!), and yet, sometimes, it is interesting to ask again some old questions: can I speed up ksort()? Let’s see. ksort(), sorting by […]