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json_encode sparse PHP array as JSON array, not JSON object

I have the following array in PHP: 4 Answers 4 ...
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What is the difference between self::$bar and static::$bar in PHP?

...atic, you're invoking a feature called late static bindings (introduced in PHP 5.3). In the above scenario, using self will result in Foo::$bar(1234). And using static will result in Bar::$bar (4321) because with static, the interpreter takes takes into account the redeclaration within the Bar clas...
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Best way to create an empty object in JSON with PHP?

...ght therefor say that your code is valid and that it's the method to use. PHP: Objects - Manual If a value of any other type is converted to an object, a new instance of the stdClass built-in class is created. If the value was NULL, the new instance will be empty. .. but, try to keep it safe! Tho...
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通信连接组件 · App Inventor 2 中文网

...果与服务器的连接丢失(不是服务器关闭,而是 wifi 连接问题),则不会有任何事件触发(但崩溃现已修复)。 切换 目录 关注 我们 关注我,不迷路 ...
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Traits vs. interfaces

I've been trying to study up on PHP lately, and I find myself getting hung up on traits. I understand the concept of horizontal code reuse and not wanting to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces?...
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How to add a new method to a php object on the fly?

...ure, I'm not saying I'm an expert at extending an object during runtime in PHP, but I honestly can't say I see much wrong with it. (maybe I just have poor taste) – karim79 May 30 '10 at 9:13 ...
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PHP exec() vs system() vs passthru()

... portability has to be sacrificed for functionality. There are some things PHP just can't do well. – Frank Crook Apr 9 '09 at 5:10 30 ...
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Are “elseif” and “else if” completely synonymous?

... From the PHP manual: In PHP, you can also write 'else if' (in two words) and the behavior would be identical to the one of 'elseif' (in a single word). The syntactic meaning is slightly different (if you're familiar with C, this i...
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Parsing domain from a URL

... Or simply: print parse_url($url, PHP_URL_HOST)) if you don't need the $parse array for anything else. – rybo111 Aug 24 '16 at 12:03 ...
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PHP mail function doesn't complete sending of e-mail

...t it submits to a separate "thank you for your submission" page, thankyou.php , where the above PHP code is embedded. The code submits perfectly, but never sends an email. How can I fix this? ...