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How to destroy an object?
...It will stay there, however if you unset the object and your script pushes PHP to the memory limits the objects not needed will be garbage collected. I would go with unset() (as opposed to setting it to null) as it seems to have better performance (not tested but documented on one of the comments fr...
Performance of foreach, array_map with lambda and array_map with static function
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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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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(...
PHP Fatal error: Call to undefined function json_decode()
Apache is logging PHP Fatal error: Call to undefined function json_decode() . After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs
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How are echo and print different in PHP? [duplicate]
... there any major and fundamental difference between these two functions in PHP?
5 Answers
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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...
Creating a config file in PHP
I want to create a config file for my PHP project, but I'm not sure what the best way to do this is.
10 Answers
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What is the difference between is_a and instanceof?
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Update
As of PHP 5.3.9, the functionality of is_a() has changed. The original answer below states that is_a() must accept an Object as the first argument, but PHP versions >= 5.3.9 now accept an optional third boolean argument $allow_s...
为什么你得学些 TCP 的知识？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...时候，我又记起来了。
所以我认为——这不可能是我的问题，可能吗？可能吗？？然后我发了一封邮件给我团队说：“我想我快要疯了，但是这可能是 TCP 的问题”。
所以我提交了一次修订，将我的应该调整为 TCP_NODELAY，然后...
卸载SQL Server2000后不能再次安装的问题解决方法 - 更多技术 - 清泛网 - ...
卸载SQL Server2000后不能再次安装的问题解决方法SQL Server2000 ,卸载问题曾经由于磁盘空间的问题，卸载了SQL Server2000，可当再次要把它安装上的时候，却怎么也不行了。无论是安装哪一个版本，永远都是同样的错...曾经由于磁盘空...