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How does PHP 'foreach' actually work?

...r the simplest case is Traversable objects, as for these foreach is essentially only syntax sugar for code along these lines: foreach ($it as $k => $v) { /* ... */ } /* translates to: */ if ($it instanceof IteratorAggregate) { $it = $it->getIterator(); } for ($it->rewind(); $it->v...
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Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?

...ccept.Clear(); ? For instance, if I have users that are authenticating via tokens, those tokens need to be added as headers on the request to the API, of which are different tokens. Wouldn't having the HttpClient as static and then changing this header on HttpClient have adverse affects? ...
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Show a number to two decimal places

... All the other answers are limited to decimal values with a dot notation. When you need to get 520,00 instead of 520.00, this simply works. – SPRBRN May 8 '14 at 15:06 ...
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PHP mkdir: Permission denied problem

...te permissions on the directory. Here's what you do in Ubuntu Make sure all files are owned by the Apache group and user. In Ubuntu it is the www-data group and user chown -R www-data:www-data /path/to/webserver/www Next enabled all members of the www-data group to read and write files chmod -R...
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How do I send a POST request with PHP?

Actually I want to read the contents that come after the search query, when it is done. The problem is that the URL only accepts POST methods, and it does not take any action with GET method... ...
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MySQL integer field is returned as string in PHP

...row array had appropriate data types. Now I'm having to write code to manually cast every element to the data type I'm expecting. – GordonM Mar 25 '11 at 10:14 25 ...
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Using braces with dynamic variable names in PHP

I'm trying to use dynamic variable names (I'm not sure what they're actually called) But pretty much like this: 8 Answers ...
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while (1) Vs. for (;;) Is there a speed difference?

... @Martin that will not work, because #define's do not replace within a token, and forever is it's own token. – Lily Chung Aug 17 '10 at 19:42 2 ...
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How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?

...HTTP header: header('Content-Type: text/html; charset=utf-8'); Note to call this function before any output has been sent to the client. Otherwise the header has been sent too and you obviously can’t change it any more. You can check that with headers_sent. See the manual page of header for mor...
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How to determine the first and last iteration in a foreach loop?

... @Twan How is point #3 right? Or relevant at all to this question since it involves HTML? This is a PHP question, clearly... and when it comes to mark-up semantics, it's down to a much deeper facts than "a proper blahblah is always better than blahblah (this is not even...