Can someone explain the differences between ternary operator shorthand (?:) and null coalescing operator (??) in PHP? When do they behave differently and when in the same way (if that …

Note that the ; is redundant; as the answers suggest this short-tag expands to an echo with a semicolon added to the end, as per the php documents.

Arrays in PHP are associative arrays (otherwise known as dictionaries or hashes) by default. If you don't explicitly assign a key to a value, the interpreter will silently do that for you.

What is this? This is a collection of questions that come up now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this list. This …

Nov 5, 2009 · I'm trying to build a PHP site and I'm wanting to test my PHP files without uploading them to my host. Basically testing them on my own machine before I upload them. How do I do …

Dec 19, 2009 · It's the modulus operator, as mentioned, which returns the remainder of a division operation. Examples: 3%5 returns 3, as 3 divided by 5 is 0 with a remainder of 3. 5 % 10 …

May 21, 2015 · PHP 7 introduced the Spaceship (<=>) operator. What is it and how does it work?

Jun 5, 2013 · ${ } (dollar sign curly bracket) is known as Simple syntax. It provides a way to embed a variable, an array value, or an object property in a string with a minimum of effort. If a …

Jan 3, 2010 · And that's make the Elvis operator kinda useless in PHP imo. The Elvis operator evaluate an expression and if it's true, it returns it else it return the last part.

This is how we can use in OOP php. Here summation is the arrow function that is called inside as an argument of the add method that is inside of calculate class.