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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 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...
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MySQL: determine which database is selected?

... currently selected? This seems very basic but I couldn't find anything on php.net or stackoverflow (all results are for "no database selected"). ...
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从一个开发的角度看负载均衡和LVS - 更多技术 - 清泛网 - 专注C/C++及内核技术

...允许的情况下我们会采用软负载,软负载解决的两个核心问题是:选谁、转发,其中最著名的是LVS(Linux Virtual Server)。 三、软负载——LVS LVS是四层负载均衡,也就是说建立在OSI模型的第四层——传输层之上,传输层上有...
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为什么我们程序员写不出好代码? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...提交的仓库里。如果代码行数都计算在内的话,原本一个问题只需10行代码即可解决,程序员有可能编写5000行代码,来让功能更加灵活和兼容,这样,他的代码总量就会增加5000行了。 衡量生产力反而会使代码变的更糟,让项目...
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Fatal error: Class 'SoapClient' not found

... service example and I get this error even though I uncommented extension=php_soap.dll in the php.ini file: 11 Answers ...
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Cookies on localhost with explicit domain

...ting it to "" or NULL or FALSE instead of "localhost" is not enough. For PHP, see comments on http://php.net/manual/en/function.setcookie.php#73107. If working with the Java Servlet API, don't call the cookie.setDomain("...") method at all. ...
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Eclipse XDebug配置 - 更多技术 - 清泛网 - 专注C/C++及内核技术

Eclipse XDebug配置http: xdebug org wizard php来输入拷贝的phpinfo信息来检测该下载哪个版本文件。zend_extension = php_xdebug-2 5 4-5 6-vc11-nts-x86_ http://xdebug.org/wizard.php 来输入拷贝的phpinfo信息来检测该下载哪个版本文件。 php.ini末尾添加如...
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Read each line of txt file to new array element

... file should either be stored on memory cache, or even in a database. Even PHP stores the content of parsed files. I mean, we're far from PHP 4.3 – Yanick Rochon Jul 16 at 2:32 ...
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Gradients in Internet Explorer 9

...s CSS3 gradient support. However, here is a nice workaround solution using PHP to return an SVG (vertical linear) gradient instead, which allows us to keep our design in our stylesheets. <?php $from_stop = isset($_GET['from']) ? $_GET['from'] : '000000'; $to_stop = isset($_GET['to']) ? $_GET['t...