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What are namespaces?

...espacing does for functions and classes what scope does for variables. It allows you to use the same function or class name in different parts of the same program without causing a name collision. In simple terms, think of a namespace as a person's surname. If there are two people named "John" yo...
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Is PHP's count() function O(1) or O(n) for arrays?

Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved? ...
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ElasticSearch, Sphinx, Lucene, Solr, Xapian. Which fits for which usage? [closed]

...I went ahead and created it in the first place :). Using pure Lucene is challenging. There are many things that you need to take care for if you want it to really perform well, and also, its a library, so no distributed support, it's just an embedded Java library that you need to maintain. In term...
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+ operator for array in PHP?

...ced by php.net doesn't have a formal spec, but both the + and array_merge call zend_hash_merge under the hood. This is also expected, since in PHP arrays are implemented as ordered hash maps. – bishop May 19 '15 at 18:34 ...
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Way to get all alphabetic chars in an array in PHP?

Is there a way to get all alphabetic chars (A-Z) in an array in PHP so I can loop through them and display them? 14 Answers...
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How can I automatically deploy my app after a git push ( GitHub and node.js)?

... Example in PHP: Navigate to github into your github repository add click "Admin" click tab 'Service Hooks' => 'WebHook URLs' and add http://your-domain-name/git_test.php then create git_test.php <?php try { $payload ...
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Fastest way to convert string to integer in PHP

... 0.42208 intval("hello"): 0.93678 (222%) On average, calling intval() is two and a half times slower, and the difference is the greatest if your input already is an integer. I'd be interested to know why though. Update: I've run the tests again, this time with coercion (0 + ...
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Best Practices for Laravel 4 Helpers and Basic Functions?

...lean way: Create a library. That way it'll be autoloaded ONLY when you actually use it. Create a libraries folder inside your app folder Create your library file, create a class in it, and add static functions to it Option 1: Edit start/global.php to add app_path().'/libraries' to the ClassLoader:...
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How can I convert bigint (UNIX timestamp) to datetime in SQL Server?

... Also was getting an overflow, normally meaning that milliseconds are involved, solved simply as: select dbo.fn_ConvertToDateTime( src_column/1000 ) from src_table; – access_granted Jan 10 '19 at 4:42 ...
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A more pretty/informative Var_dump alternative in PHP? [closed]

... A full year of time and labor after asking this, I've finally open sourced my version of var_dump, Kint. Read about it in the project page, or directly in github. Here's a screenshot: Sorry for the plug :) EDIT: I'd just like to remind the commenters, that this is not a supp...