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String comparison using '==' vs. 'strcmp()'

It seems that PHP's === operator is case sensitive. So is there a reason to use strcmp() ? 13 Answers ...
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Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...浮点数会慢(除非大于100,000,000,000,000),或是会有精度问题。 你可以以如下的方式表示数字,0x开头的16进制和C是很像的。 1 2 3 4 5 6 7 num = 1024 num = 3.0 num = 3.1416 num = 314.16e-2 num = 0.31416E1 num = ...
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PHP优化杂烩 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...大家如何编写高效的代码,本文打算从另一个角度来讨论问题,教大家如何配置高效的环境,如此同样能够达到优...讲 PHP 优化的文章往往都是教大家如何编写高效的代码,本文打算从另一个角度来讨论问题,教大家如何配置高...
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How do the PHP equality (== double equals) and identity (=== triple equals) comparison operators dif

What is the difference between == and === in PHP? 11 Answers 11 ...
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How do I immediately execute an anonymous function in PHP?

... For PHP7: see Yasuo Ohgaki's answer: (function() {echo 'Hi';})(); For previous versions: the only way to execute them immediately I can think of is call_user_func(function() { echo 'executed'; }); ...
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phpcms与ucenter整合常见问题与解答 - 更多技术 - 清泛网 - 专注C/C++及内核技术

phpcms与ucenter整合常见问题与解答视频教程:http: v9.help.phpcms.cn html 2010 phpsso_install_1028 96.html常见问题与解答:1、整合完成后,在 phpcms 注册、登录均失败...视频教程: http://v9.help.phpcms.cn/html/2010/phpsso_install_1028/96.html 常见问题与...
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Reference: mod_rewrite, URL rewriting and “pretty links” explained

...ile /var/www/foo/bar.html exists and serve it if so. If the file ends in ".php" it will invoke the PHP interpreter and then return the result. All this association is completely configurable; a file doesn't have to end in ".php" for the web server to run it through the PHP interpreter, and the URL d...
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Creating anonymous objects in php

... some years, but I think I need to keep the information up to date! Since PHP 7 it has been possible to create anonymous classes, so you're able to do things like this: <?php class Foo {} $child = new class extends Foo {}; var_dump($child instanceof Foo); // true ?> You can ...
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怎么解决MQTT连接掉线,自动连接问题,同时解决,反复断开连接,断开连接问...

解决MQTT退出后台后掉线自动连接问题,现在可以实现自动连接,但是在返回控制界面的时候,反复断开反复链接,还有切换页面的时候返回也是同样的问题,还有连接一个服务器,需要每个页面单独设置MQTT连接吗,是不是可以...
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Parse query string into an array

...se it does not work if you use the same key multiple times (yes because in php array keys are unique). So ?key=lorem&key=ipsum will result in array(["key"]=>"ipsum") The question is, is there a function to get s.th. like this array(["key"]=>array("lorem", "ipsum")) or do I have to create t...