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)......
https://stackoverflow.com/questions/34571330/php-short-ternary-elvis-operator-vs-null-coalescing-operator
syntax - What does "->" or "=>" mean in PHP? - Stack Overflow
...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. They're something else, but...
https://stackoverflow.com/questions/14037290/what-does-or-mean-in-php
How do the PHP equality (== double equals) and identity (=== triple ...
...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 no further because none of this will make any sense, except to say that this is how the insanity-fractal, of PHP was designed. NAN != NAN but NAN == true....
https://stackoverflow.com/questions/80646/how-do-the-php-equality-double-equals-and-identity-triple-equals-comp
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...??2010????PHP????Web???????????????Wordpress????????Zend???????Discuz!?????????????PHP??Web??????????????Facebook??????PHP?????????PHP???????...
https://www.zhihu.com/question/26498147
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...web3.0????????????php???? ?? ???????PHPer???????????php???????????????????? 1??????????vue?react??????????????????????????????...
https://www.zhihu.com/question/442641007
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...2021???????????php ??????????????????????? node, java ????ph?...
https://www.zhihu.com/question/488319348
Using AND/OR in if else PHP statement - Stack Overflow
...In php both AND, && and OR, || will work in the same way. If you are new in programming and php is one of your first languages them i suggest using AND and OR, because it increases readability and reduces confusion when you check back....
https://stackoverflow.com/questions/4405795/using-and-or-in-if-else-php-statement
What does !== comparison operator in PHP mean? - Stack Overflow
...What does !== comparison operator in PHP mean? Asked 16 years, 1 month ago Modified 10 years, 7 months ago Viewed 13k times...
https://stackoverflow.com/questions/1298083/what-does-comparison-operator-in-php-mean
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...
https://stackoverflow.com/questions/14846570/what-does-the-operator-mean-in-php
What's the difference between :: (double colon) and -> (arrow) in PHP?
...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....
https://stackoverflow.com/questions/3173501/whats-the-difference-between-double-colon-and-arrow-in-php