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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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How do I create a copy of an object in PHP?

It appears that in PHP objects are passed by reference. Even assignment operators do not appear to be creating a copy of the Object. ...
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Storing custom objects in an NSMutableArray in NSUserDefaults

...ray]; if (oldSavedArray != nil) objectArray = [[NSMutableArray alloc] initWithArray:oldSavedArray]; else objectArray = [[NSMutableArray alloc] init]; } You should check that the data returned from the user defaults is not nil, because I believe unarchiving from nil causes a...
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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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Why is the shovel operator (

... This answer is based on a false premise: both allocating and freeing short-lived objects is essentially free in any halfway decent modern GC. It is at least as fast as stack allocation in C and significantly faster than malloc / free. Also, some more modern Ruby implemen...
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通过FastCGI Cache实现服务降级 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...义。在继续之前,不妨先介绍一下案例的背景情况:一个PHP网站,以读为主,原本躲在CDN后面,运行很稳定,后来新增了很多强调个性化的需求,便去掉了CDN,进而导致系统稳定性受到影响。因为历史包袱重,所以完全废弃以前...
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How to make asynchronous HTTP requests in PHP

Is there a way in PHP to make asynchronous HTTP calls? I don't care about the response, I just want to do something like file_get_contents() , but not wait for the request to finish before executing the rest of my code. This would be super useful for setting off "events" of a sort in my application...
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How to copy an object in Objective-C

...ne { // We'll ignore the zone for now YourClass *another = [[YourClass alloc] init]; another.obj = [obj copyWithZone: zone]; return another; } share | improve this answer | ...
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getenv() vs. $_ENV in PHP

... According to the php documentation about getenv, they are exactly the same, except that getenv will look for the variable in a case-insensitive manner. Most of the time it probably doesn't matter, but one of the comments on the documentation...
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Pass a PHP string to a JavaScript variable (and escape newlines) [duplicate]

What is the easiest way to encode a PHP string for output to a JavaScript variable? 14 Answers ...