PHP short-ternary ("Elvis") operator vs null coalescing operator
594 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 …
syntax - What does "->" or "=>" mean in PHP? - Stack Overflow
2024年6月2日 · I see these in PHP all the time, but I don't have a clue as to what they actually mean. What does -> do and what does => do? And I'm not talking about the operators. …
How do the PHP equality (== double equals) and identity ...
PHP Double Equals == equality chart: PHP Triple Equals === Equality chart: Source code to create these images: PHP equality charts Guru Meditation Those who wish to keep their sanity, read …
php - What does "===" mean? - Stack Overflow
12 In PHP you may compare two values using the == operator or === operator. The difference is this: PHP is a dynamic, interpreted language that is not strict on data types. It means that the …
What's the difference between :: (double colon) and -> (arrow ...
2010年7月4日 · 16 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 …
What does the .= operator mean in PHP? - Stack Overflow
What does the .= operator mean in PHP? Asked 12 years, 8 months ago Modified 5 years, 9 months ago Viewed 65k times
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 is the use of the @ symbol in PHP? - Stack Overflow
2009年6月23日 · I have seen uses of @ in front of certain functions, like the following: $fileHandle = @fopen($fileName, $writeAttributes); What is the use of this symbol?
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.
Start learning PHP — Useful resources for beginners and ...
2023年10月28日 · Start learning PHP — Useful resources for beginners and advanced! If you're wondering where to start from learning the PHP language or needing some more knowledge to …