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What's better at freeing memory with PHP: unset() or $var = null

... name says - unset a variable. It does not force immediate memory freeing. PHP's garbage collector will do it when it see fits - by intention as soon, as those CPU cycles aren't needed anyway, or as late as before the script would run out of memory, whatever occurs first. If you are doing $whatever ...
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How to determine the first and last iteration in a foreach loop?

...ght? 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 my opinion, it's pure fact)" – D...
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Remove warning messages in PHP

I have some PHP code. When I run it, a warning message appears. 12 Answers 12 ...
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How to create ASP.NET Web API Url?

...ublic IEnumerable<string> Get() { // returns /api/values/123 string url = Url.Route("DefaultApi", new { controller = "values", id = "123" }); return new string[] { "value1", "value2" }; } // GET /api/values/5 public string Get(int id) { retu...
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How do I get a file extension in PHP?

... theirs is better because they have a built-in function to do that and not PHP (I am looking at Pythonistas right now :-)). In fact, it does exist, but few people know it. Meet pathinfo(): $ext = pathinfo($filename, PATHINFO_EXTENSION); This is fast and built-in. pathinfo() can give you other in...
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Difference between “include” and “require” in php

... You find the differences explained in the detailed PHP manual on the page of require: require is identical to include except upon failure it will also produce a fatal E_COMPILE_ERROR level error. In other words, it will halt the script whereas include only emits a warning...
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How to pip or easy_install tkinter on Windows

... edited Jan 10 at 19:42 User123 25322 silver badges1717 bronze badges answered Nov 18 '13 at 9:52 IcyFlame...
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php: determine where function was called from

is there a way to find out, where a function in PHP was called from? example: 8 Answers ...
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PHP Function with Optional Parameters

I've written a PHP function that can accepts 10 parameters, but only 2 are required. Sometimes, I want to define the eighth parameter, but I don't want to type in empty strings for each of the parameters until I reach the eighth. ...
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How to sort an array of associative arrays by value of a given key in PHP?

... = $row['price']; } array_multisort($price, SORT_DESC, $inventory); As of PHP 5.5.0 you can use array_column() instead of that foreach: $price = array_column($inventory, 'price'); array_multisort($price, SORT_DESC, $inventory); ...