大约有 40,000 项符合查询结果(耗时:0.0169秒) [XML]

https://stackoverflow.com/ques... 

Converting string to Date and DateTime

If I have a PHP string in the format of mm-dd-YYYY (for example, 10-16-2003), how do I properly convert that to a Date and then a DateTime in the format of YYYY-mm-dd ? The only reason I ask for both Date and DateTime is because I need one in one spot, and the other in a different spot. ...
https://stackoverflow.com/ques... 

Class 'DOMDocument' not found

...OM extension. You can do so on Debian / Ubuntu using: sudo apt-get install php-dom And on Centos / Fedora / Red Hat: yum install php-xml If you get conflicts between PHP packages, you could try to see if the specific PHP version package exists instead: e.g. php53-xml if your system runs PHP5.3. ...
https://stackoverflow.com/ques... 

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 ...
https://stackoverflow.com/ques... 

How can I get useful error messages in PHP?

Quite often I will try and run a PHP script and just get a blank screen back. No error message; just an empty screen. The cause might have been a simple syntax error (wrong bracket, missing semicolon), or a failed function call, or something else entirely. ...
https://stackoverflow.com/ques... 

Getting the names of all files in a directory with PHP

... How can we get all files within list of extensions? E.g. if we want all .php and .js files ? – Nis Apr 30 '14 at 4:33 3 ...
https://stackoverflow.com/ques... 

Traits vs. interfaces

I've been trying to study up on PHP lately, and I find myself getting hung up on traits. I understand the concept of horizontal code reuse and not wanting to necessarily inherit from an abstract class. What I don't understand is: What is the crucial difference between using traits versus interfaces?...
https://stackoverflow.com/ques... 

What is the most accurate way to retrieve a user's correct IP address in PHP?

... fully-validated, and fully-packaged, version of @AlixAxel's answer: <?php /* Get the 'best known' client IP. */ if (!function_exists('getClientIP')) { function getClientIP() { if (isset($_SERVER["HTTP_CF_CONNECTING_IP"])) { ...
https://www.tsingfun.com/it/bigdata_ai/750.html 

分布式系统的事务处理 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...一台服务器来提供数据服务的时候,我会遇到如下的两个问题:1)一台服务器的性能不足以提供足够的能力服务于所有的网络...当我们在生产线上用一台服务器来提供数据服务的时候,我会遇到如下的两个问题: 1)一台服务...
https://stackoverflow.com/ques... 

Better way to check variable for null or empty string?

Since PHP is a dynamic language what's the best way of checking to see if a provided field is empty? 10 Answers ...
https://stackoverflow.com/ques... 

Checking if array is multidimensional or not?

... least the implicit loop is better than the straight for()): $ more multi.php <?php $a = array(1 => 'a',2 => 'b',3 => array(1,2,3)); $b = array(1 => 'a',2 => 'b'); $c = array(1 => 'a',2 => 'b','foo' => array(1,array(2))); function is_multi($a) { $rv = array_filter($...