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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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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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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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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? ...
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Codeigniter - no input file specified

... Just add the ? sign after index.php in the .htaccess file : RewriteEngine on RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php?/$1 [L] and it would work ! ...
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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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How to remove duplicate values from an array in PHP

How can I remove duplicate values from an array in PHP? 24 Answers 24 ...
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MySQL: determine which database is selected?

... currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected"). ...
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List all files in one directory PHP [duplicate]

What would be the best way to list all the files in one directory with PHP? Is there a $_SERVER function to do this? I would like to list all the files in the usernames/ directory and loop over that result with a link, so that I can just click the hyperlink of the filename to get there. Thanks! ...