Php programmer interview questions (Sina)
This article introduces a php programmer interview question from Sina. if you have any questions, refer to it.1. write a function, as efficient as possible, to retrieve the file extension from a
What is the essence of project and code learning for programmers?
It is easy to learn. It is difficult to achieve this.Novice programmers found themselves stealing ideas from other projects in recent projects. Of course, it is not really
A simple template engine class, which is not perfect for research purposes only. I hope some friends can join in the study.
This is the first post code here. this code is mainly used for PHP template engine technology research. Currently,
PHP: associates with arrays and deletes elements based on element values.
After some modifications and improvements
$ Array1 = array ("a" => "green", "red", "blue", "red ");
$ Array2 = array ("B" => "green ");
$
Php obtains the local ip address (remote ip address)
For example, php obtains the user IP address.
// 111111111111
Echo $ _ SERVER ['remote _ ADDR '];
// 2222222222222
Function get_local_ip (){
Data operation: the method for temporarily adjusting the memory and execution time during data operations in PHP for mass data operations: Copy the code as follows: ini_set (memory_limit, 250 M); memory limit set_time_limit (0 );
The code is as
: This article describes how to share common PHP Tools in your project. if you are interested in PHP tutorials, refer to it.
0); $ I ++) {if ($ number = strpos (str_pad (decbin (ord (substr ($ string, $ I, 1), 8, '0', STR_PAD_LEFT), '0') {if ($
: This article mainly introduces the Namespace features of namespaces in several common languages. if you are interested in PHP tutorials, refer to it. A namespace provides a way to logically organize classes to prevent name conflicts.
Several
: This article mainly introduces how to understand the uml class diagram. if you are interested in the PHP Tutorial, refer to it. In a UML diagram, there are several common relationships: Generalization, implementation, Association, Aggregation, and
: This article mainly introduces (personal open-source) nginx source code comments. if you are interested in the PHP Tutorial, please refer to it. Address
Https://github.com/langsim/nginx-1.6.2-comment
Introduction
We hope to complete a highly
: This article describes how to build an rtmp VOD system for nginx development (3). For more information about PHP tutorials, see. 1:/create multimedia/rtmp in the/usr/local/nginx/html/Directory
2: copy the file 1. flv to the Directory
3: open
: This article describes how to hide the version numbers of Nginx, Apache, and PHP. For more information about PHP tutorials, see. When hackers intrude into a server, they will first "Step On". Here "Step On" refers to understanding the details of
: This article describes how to introduce a template file for WordPress theme creation. For more information about PHP tutorials, see. Get_template_part () is used to reference a template file. it is similar to get_header (), get_sidebar (), and get_
: This article describes how to insert a comment form on the details page of a single-user blog system article in Yii. For more information about PHP tutorials, see. This example describes how to insert a comment form into the details page of a
: This article mainly introduces the PHP form details. if you are interested in the PHP Tutorial, you can refer to it. When talking about Web development, we have to mention HTML, which has been a de facto standard for Web user interface design for
: This article mainly introduces four common PHP asynchronous execution methods. For more information about PHP tutorials, see. This article describes php Asynchronous call methods for your reference. the specific content is as follows:
The client
: This article mainly introduces the analysis of php submitted post array parameter instances. For more information about PHP tutorials, see. This article analyzes the usage of php to submit the post array parameters. We will share this with you for
: This article mainly introduces PHP to judge the encapsulated functions of Array dimensions. For more information about PHP tutorials, see. Sometimes need to judge the dimension of the array, the internet to check a lot of things similar to the
: This article mainly introduces php instance-Registration & logon. For more information about PHP tutorials, see. ------------------------ Re. php ---------------------------------
: This article mainly introduces the data loss or garbled characters when PHP --- ajax transmits POST values (including html tags) to the submitted page. For more information about PHP tutorials, see. Problem
?? But when you open the file in the
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