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 …
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 "->" or "=>" mean in PHP? - Stack Overflow
Dec 26, 2012 · 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 …
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 …
What is the use of the @ symbol in PHP? - Stack Overflow
Jun 23, 2009 · I have seen uses of @ in front of certain functions, like the following: $fileHandle = @fopen($fileName, $writeAttributes); What is the use of this symbol?
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.
The 3 different comparisons, =, ==, === in PHP - Stack Overflow
Jan 14, 2010 · For advanced PHP users, knowing the difference between == and === and asking themself "is it faster to compare with == or with === when I'm sure that both the operands are …
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 thread safe or non-thread safe in PHP? - Stack Overflow
Apr 19, 2020 · I saw different binaries for PHP, like non-thread or thread safe? What does this mean? What is the difference between these packages?
php - What is the difference between public, private, and …
PHP manual has a good read on the question here. The visibility of a property or method can be defined by prefixing the declaration with the keywords public, protected or private.