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PHP json_decode() returns NULL with valid JSON?

...ters since I started the application and there were no problems before. Locally, the JSON decoding works perfectly. On my server, it doesn't. And I can't call json_last_error() because it's PHP 5.2.9. That function appears on PHP 5.3.0. – Joel A. Villarreal Bertoldi ...
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Why can't I access DateTime->date in PHP's DateTime class?

...ilable is actually a side-effect of support for var_dump() here – derick@php.net For some reason, you're not supposed to be able to access the property but var_dump shows it anyways. If you really want to get the date in that format, use the DateTime::format() function. echo $mydate->format(...
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php 获取操作系统、浏览器版本信息(持续更新) - 更多技术 - 清泛网 - 专...

php 获取操作系统、浏览器版本信息(持续更新)有时我们需要在服务器端收集用户操作系统版本,以及用户使用何种浏览器等信息,本文主要提供getOS、getBrowser、getBrowserVer三个方法,对网上各方法进行测试汇总整理,持续更新...
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Performance of foreach, array_map with lambda and array_map with static function

... FWIW, I just did the benchmark since poster didn't do it. Running on PHP 5.3.10 + XDebug. UPDATE 2015-01-22 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version. function lap($func) { $t0 = microtime(1); $numbers = range(0, 1000000); ...
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mysqli or PDO - what are the pros and cons? [closed]

...nvincing somebody works better with a killer feature. So there it is: A really nice thing with PDO is you can fetch the data, injecting it automatically in an object. If you don't want to use an ORM (cause it's a just a quick script) but you do like object mapping, it's REALLY cool : class Student...
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拉里佩奇23条箴言帮你度过创业低谷 - 资讯 - 清泛网 - 专注C/C++及内核技术

...事物一直在改变,如果你的事业是稳定的,那你可能是有问题的。 编者注:或许你不知道拉里·佩奇,但一定知道谷歌。他说“你可能觉得谷歌很好用,但我仍觉得它烂透了。”你永远不会相信,就是这个人,一手缔造了谷歌...
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No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor

...der Instead of using setHeader method, response.addHeader("Access-Control-Allow-Origin", "*"); * in above line will allow access to all domains. For allowing access to specific domain only: response.addHeader("Access-Control-Allow-Origin", "http://www.example.com"); Check this blog post. ...
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.rar, .zip files MIME Type

... actually there's another MIME TYPE for zip, and that's: application/x-zip-compressed – Kiyarash Oct 6 '14 at 19:21 ...
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)

...; Proof of concept here: https://dtbaker.net/files/prevent-post-resubmit.php I would still recommend a Post/Redirect/Get approach, but this is a novel JS solution. share | improve this answer ...
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How to convert all tables from MyISAM into InnoDB?

I know I can issue an alter table individually to change the table storage from MyISAM to InnoDB. 26 Answers ...