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How can I output a UTF-8 CSV in PHP that Excel will read properly?

...l for Mac does not currently support UTF-8 Update, 2017: This is true of all versions of Microsoft Excel for Mac before Office 2016. Newer versions (from Office 365) do now support UTF-8. In order to output UTF-8 content that Excel both on Windows and OS X will be able to successfully read, you w...
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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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+ 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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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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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...