Php basics (2): php Basics
Embed PHP code on the Web page
Default syntax
Short tag
Script
ASP Style
Embed multiple code blocks
Add comments to code
Single Row C ++ syntax
Shell syntax
Multi-line C
The PHP image watermark implementation code is complicated, but it is easy for experienced veterans. Next we will use a sample code to analyze the principle of adding watermarks to PHP images. When you need to upload images to a regular website, you
Common php Class Summary, make full use of it to improve development efficiency and enhance the implementation of php functions.
Chart Library
The following class library allows you to easily create complex charts and images. Of course, they need
When the system we develop needs to run in multi-process mode, inter-process communication becomes a crucial link. Messagequeue is a way of inter-process communication in Linux. The concept and implementation of process communication in Linux can be
The most common regular expression filtering code can help you filter excess carriage return, comments, html tags, and so on.
The code is as follows:
$ Str = preg_replace ("// \ s +/", "", $ str); // filter excess carriage returns$ Str =
PayPal is a fast, secure, and convenient online payment method for transnational transactions. Currently, the PayPal payment interface can be associated with most domestic credit cards to enable Chinese countries to make payments for transnational
It is a headache to write a universal program to consider compatibility. There are a lot of code for generating thumbnails using PHP, but it is completely compatible with gd1.6 and gd2.x and can ensure that there is almost no clear code for
Most MySQL users have the AutoIncrement complex, but MongoDB is not implemented by default. Therefore, we need to simulate the following code in the programming language PHP:
The code is as follows:
Function generate_auto_increment_id ($
In PHP, use the file_get_contents proxy method. in PHP, use the file_get_contents proxy method to obtain the code of the remote webpage.
The code is as follows:
$ Url = "http://www.jb51.net /";$ Ctx = stream_context_create (array ('Http' =>
Suppose we are running a mobile phone-related website. you can specify several parameters (such as operating system, screen resolution, camera pixel, and so on) to filter your desired mobile phone. However, because mobile phones have many parameters
Php sends an email. the class smtp. class. php smtp. class. php sent by php saves it to a file.
The code is as follows:
Class smtp{/* Public Variables */Var $ smtp_port;Var $ time_out;Var $ host_name;Var $ log_file;Var $ relay_host;Var $
Set cookies using arrays in php. For more information, see.
The code is as follows:
Function set_cronology ($ name, $ value, $ duration = 7 ){$ Duration = time () + (3600*24 * $ duration );$ Max_stored_values = 5;If (isset ($ _ COOKIE [$
Php programmers are familiar with the term process. Php engineers generally do not have a deep understanding of object-oriented, so they need to call external variables in methods in a large process, therefore, there will be many opportunities for
This article is a tutorial on PHP permissions. Very practical. For more information about php learning, see. My general permission system is designed to avoid code modification when changing permissions. it is from the chinaunix Forum. let's go and
The code in the fckeditor editor can be written as a function or category and called directly without writing so much code every time! I just saw a way to share my shoes on the forum. I don't feel very comprehensive. now I want to share it with you!
We can see that sometimes the controller under the protected directory is used, and sometimes the controller in the module is used. how can this problem be solved, see the following analysis. the url path using the yii Framework is generally like
When the website was launched, modoer and ucenter could not communicate. I had to spend almost two days. at first, I thought that my configuration was faulty. after the platform was transplanted, I could not communicate. I modified the configuration
Share the usage of the three functions ISSET (), empty (), and is_numeric () in PHP form verification. For more information about php learning, see. ISSET (); -- this parameter is suitable for detecting whether this parameter exists.
Definition and
Php uses curl to determine whether a remote file exists. some of our programs need to determine whether the file exists before performing subsequent operations.
The code is as follows:
// Determine the remote fileFunction check_remote_file_exists
The ksort () function sorts the array in ascending order by key name and retains the original key for the array value. The second optional parameter contains an additional sorting flag.
Ksort () definition and usage
The ksort () function sorts the
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.
A Free Trial That Lets You Build Big!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service