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 even happens)...
syntax - What does "->" or "=>" mean in PHP? - Stack Overflow
Jun 2, 2024 · since PHP 7.4 => operator is also used for the arrow functions, a more concise syntax for anonymous functions. since PHP 8.0 => operator is also used to define hands in the match expression
What's the difference between :: (double colon) and -> (arrow) in …
Jul 4, 2010 · The difference between static and instantiated methods and properties seem to be one of the biggest obstacles to those just starting out with OOP PHP in PHP 5. The double colon operator (which is called the Paamayim Nekudotayim from Hebrew - trivia) is used when calling an object or property from a static context.
syntax - What does '<?=' mean in PHP? - Stack Overflow
Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges,
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 qu...
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.
syntax - What are the PHP operators "?" and - Stack Overflow
Nov 29, 2015 · As of PHP 5.3: Since PHP 5.3, it is possible to leave out the middle part of the ternary operator. Expression expr1 ?: expr3 returns expr1 if expr1 evaluates to TRUE, and expr3 otherwise. As of PHP 7.0 PHP 7 has new Null Coalesce Operator. This is the same as a ternary but is also called an "isset ternary".
php - Import file size limit in PHPMyAdmin - Stack Overflow
Dec 22, 2016 · I have changed all the php.ini parameters I know: upload_max_filesize, and post_max_size. Why am I still seeing 2MB? I'm using Zend Server CE on a Ubuntu VirtualBox over a Windows 7 host.
What does ${ } mean in PHP syntax? - Stack Overflow
Jun 5, 2013 · ${ } (dollar sign curly bracket) is known as Simple syntax. It provides a way to embed a variable, an array value, or an object property in a string with a minimum of effort. If a dollar sign ($) is encountered, the parser will greedily take as many tokens as possible to form a valid variable name. Enclose the variable name in curly braces to explicitly specify the end of …
How to resolve cURL Error (7): couldn't connect to host?
Mar 29, 2012 · Context I'm rebuilding the server side for an app that uses php routines to return various bits of data from internal sources as well as external APIs for a map based app. I have started an Oracle VM instance and have installed/set up Apache and php. All running totally fine, until one of my php routines tries to execute a cURL.