PHP short-ternary ("Elvis") operator vs null coalescing operator
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 …
syntax - What does '<?=' mean in PHP? - Stack Overflow
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.
What does "=>" mean in PHP? - Stack Overflow
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 the .= (dot equals) operator in PHP? - Stack Overflow
What is the .= (dot equals) operator in PHP? [duplicate] Asked 16 years, 2 months ago Modified 2 years, 11 months ago Viewed 2k times
operators - Not equal to != and !== in PHP - Stack Overflow
Not equal to != and !== in PHP [duplicate] Asked 15 years, 2 months ago Modified 5 months ago Viewed 286k times
Reference Guide: What does this symbol mean in PHP? (PHP Syntax)
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 …
What is <=> (the 'Spaceship' Operator) in PHP 7? - Stack Overflow
May 21, 2015 · PHP 7 introduced the Spaceship (<=>) operator. What is it and how does it work?
What does the percent sign mean in PHP? - Stack Overflow
Dec 19, 2009 · What does the percent sign mean in PHP? Asked 15 years, 10 months ago Modified 6 years ago Viewed 76k times
What does ${ } mean in PHP syntax? - Stack Overflow
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 …
How to call a PHP function on the click of a button
I have created a page called functioncalling.php that contains two buttons, Submit and Insert. I want to test which function is executed when a button gets clicked. I want the output to appear …