2023年8月7日 · 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.

Elvis ?: returns the first argument if it contains a "true-ish" value (see which values are considered loosely equal to true in the first line of the Loose comparisons with == table).

In very plain language, what happens is that whatever is stored in each variable is converted to a string and then each string is placed into a final variable that includes each value of each variable put together.

Anyway as of today I hope you guys doesn't have any production servers running PHP < 5.6 as this versions are not maintained anymore (PHP Supported Versions). – TwystO Commented Dec 4, 2018 at 11:25

2019年12月12日 · PHP - What is the difference between '!== false' and ' == true'? Hot Network Questions A group generated by an element and its conjugate must be solvable.

2024年6月2日 · 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 Share

2016年6月23日 · PHP Collective Join the discussion. This question is in a collective: a subcommunity defined by tags with ...

2010年7月4日 · 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. This means an instance of the ...

2009年11月5日 · php -S was only added in php 5.4 which was released in 2012. So when I wrote my answer in 2009, there was no such option. So when I wrote my answer in 2009, there was no such option. And as of today in the year of 2020, the time machine has not been invented yet.

2010年12月10日 · 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.