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How do I use PHP namespaces with autoload?

...Class1 is not in the global scope. See below for a working example: <?php function __autoload($class) { $parts = explode('\\', $class); require end($parts) . '.php'; } use Person\Barnes\David as MyPerson; $class = new MyPerson\Class1(); Edit (2009-12-14): Just to clarify, my usage...
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Java内存泄露原因详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...果不可到达,则就将其回收,这样也可以消除引用循环的问题。在Java语言中,判断一个内存空间是否符合垃圾收集标准有两个:一个是给对象赋予了空值null,以下再没有调用过,另一个是给对象赋予了新值,这样重新分配了内...
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Show a number to two decimal places

What's the correct way to round a PHP string to two decimal places? 24 Answers 24 ...
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How to find day of week in php in a specific timezone

I am confused while using php to handle date/time. 12 Answers 12 ...
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PHP function to build query string from array

I'm looking for the name of the PHP function to build a query string from an array of key value pairs. Please note, I am looking for the built in PHP function to do this, not a homebrew one (that's all a google search seems to return). There is one, I just can't remember its name or find it on php...
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Difference between float and double in php?

... There is no difference in PHP. float, double or real are the same datatype. At the C level, everything is stored as a double. The real size is still platform-dependent. See the manual for more details: http://www.php.net/manual/en/language.types.flo...
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Is there a PHP Sandbox, something like JSFiddle is to JS? [closed]

Is there a PHP Sandbox, something like JSFiddle is to JS? 1 Answer 1 ...
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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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Uppercase Booleans vs. Lowercase in PHP

When I was learning PHP, I read somewhere that you should always use the upper case versions of booleans, TRUE and FALSE , because the "normal" lowercase versions, true and false , weren't "safe" to use. ...
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PHP: exceptions vs errors?

Maybe I'm missing it somewhere in the PHP manual, but what exactly is the difference between an error and an exception? The only difference that I can see is that errors and exceptions are handled differently. But what causes an exception and what causes an error? ...