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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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What are namespaces?

What are PHP Namespaces? 11 Answers 11 ...
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How to increase maximum execution time in php [duplicate]

I want to increase maximum execution time in php , not by changing php.ini file. 4 Answers ...
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Can HTML be embedded inside PHP “if” statement?

I would like to embed HTML inside a PHP if statement, if it's even possible, because I'm thinking the HTML would appear before the PHP if statement is executed. ...
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Where is the php.ini file on a Linux/CentOS PC? [duplicate]

I can't find PHP.ini location on my server. I've checked all Stack Overflow answers but I can't find my php.ini location. 5...
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Accurate way to measure execution times of php scripts

I want to know how many milliseconds a PHP for-loop takes to execute. 14 Answers 14 ...
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Setting Curl's Timeout in PHP

I'm running a curl request on an eXist database through php. The dataset is very large, and as a result, the database consistently takes a long amount of time to return an XML response. To fix that, we set up a curl request, with what is supposed to be a long timeout. ...
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使用虚拟现实和App Inventor进行实验 · App Inventor 2 中文网

...该资产。特别是,MITVRHelper 无法使用资产文件。解决这个问题的方法是将资产文件复制到手机存储的另一部分,并让 MITVRHelper 访问副本。 更尴尬的是:标准 App Inventor 不包含复制文件的操作。幸运的是,由于 Taifun Bär(谢谢 Tai...
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Regular expression to match a word or its prefix

...r/cU5lC2/1 Matching any whole word on the commandline. I'll be using the phpsh interactive shell on Ubuntu 12.10 to demonstrate the PCRE regex engine through the method known as preg_match Start phpsh, put some content into a variable, match on word. el@apollo:~/foo$ phpsh php> $content1 = '...
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index.php not loading by default

I have just installed CentOS, Apache and PHP. When I visit my site http://example.com/myapp/ , it says "forbidden". By default it's not loading the index.php file. ...