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PHP Fatal error: Cannot redeclare class

...x situation). The include_once tip helps to clarify an obscure feature of PHP. – DavidHyogo Mar 20 '13 at 2:12 2 ...
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New self vs. new static

I am converting a PHP 5.3 library to work on PHP 5.2. The main thing standing in my way is the use of late static binding like return new static($options); , if I convert this to return new self($options) will I get the same results? ...
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How to let PHP to create subdomain automatically for each user?

...tp://user.mywebsite.com ? Do i have to access htaccess somehow? Is it actually simply possible to create it via pure php code or I need to use some external script-server side language? ...
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String comparison using '==' vs. 'strcmp()'

... @onur güngör Actually, this does answers the op's question, which is So is there any reason to use strcmp() ?, while Postfuturist's answer doesn't. Oh, hell... no one answer seemed to compile at once the use of strcmp(), the performance of =...
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Flat file databases [closed]

... Well, what is the nature of the flat databases. Are they large or small. Is it simple arrays with arrays in them? if its something simple say userprofiles built as such: $user = array("name" => "dubayou", "age" => 20, "websites" => array("dubayou.com",...
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What is the use of the @ symbol in PHP?

...om error handler function with set_error_handler() then it will still get called, but this custom error handler can (and should) call error_reporting() which will return 0 when the call that triggered the error was preceded by an @... ...
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淘宝大秒系统设计详解 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...系统,文章主要介绍大秒系统以及这种典型读数据的热点问题的解决思路和实践经验。一些数据 大家还记得2013年的小米秒杀吗?三款小米手机各11万台开卖,走的都是大秒系统,3分钟后成为双十一第一家也是最快破亿的旗舰店...
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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?

...of an application. In particular, rand() and uniqid() are not cryptographically secure random number generators. See Scott's answer for a secure alternative. If you do not need it to be absolutely unique over time: md5(uniqid(rand(), true)) Otherwise (given you have already determined a unique l...
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Passing $_POST values with cURL

... Should work fine. $data = array('name' => 'Ross', 'php_master' => true); // You can POST a file by prefixing with an @ (for <input type="file"> fields) $data['file'] = '@/home/user/world.jpg'; $handle = curl_init($url); curl_setopt($handle, CURLOPT_POST, true); cur...
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Send attachments with PHP Mail()?

... I agree with @MihaiIorga in the comments – use the PHPMailer script. You sound like you're rejecting it because you want the easier option. Trust me, PHPMailer is the easier option by a very large margin compared to trying to do it yourself with PHP's built-in mail() function...