When writing or modifying a PHP file saved with UTF-8 encoding, there are sometimes some problems:
1. The page shows a "nobelium" word, the other blank;
2. Cannot log in or log out;
3. A blank appears at the top of the page;
4. Error warning on top
In the more complex web program development, due to the use of object-oriented data manipulation, or business logic is too complex, developers in the development process, often unconsciously read data repeatedly.
Like what:
$result 1 =
Through data collection and multiple tests, the relative paths in other Web programming languages are based on the current processing file directory, which is not the case in PHP. The relative path in PHP is based on the current working directory
PR value is all called Pagerank.pagerank (page level) is a way for Google to measure the importance of a Web page. After all other factors such as the title logo and the keywords logo have been combined. Google adjusts the results by PageRank. The
Addslashes: String joins a slash.
Bin2Hex: binary turns into 16 decimal.
Chop: Remove continuous whitespace.
CHR: The character that returns the ordinal value.
Chunk_split: Divides the string into small segments.
Convert_cyr_string: Converts an old
This article is a detailed analysis of the concepts and differences of abstract classes and interfaces in PHP, which requires a friend's reference
Copy CodeThe code is as follows:
Definition of abstract class:
Abstract class ku{//define an
in the
If
Test below
In order to test the effect more clearly before the test, we
Output_buffering=off
Display_errors=on
Code
"PHP"("content-type:text/html;charset=" utf-8 ' ' OK ';
It will appear
PhpWarning:cannot Modify
Rookie, will only use the virtual host.
This time I bought a cloud, Ubuntu system.
The first time with the cloud host, Meng ... Look at the United States cloud knowledge base will still not operate, feeling is to show veteran, I this novice
How do you turn IP addresses into decimal numbers in PHP? There are many times in PHP that use IP addresses, but this IP address is not 10 binary. Then how to translate the IP address into decimal number in PHP is our headache, the following two
Use the file () function to load the files into an array, each line of the file as an element of the array.
Instance:
array_file.php:
View Sourceprint?
01.
02. $DOCUMENT_ROOT = $_SERVER['DOCUMENT_ROOT'];03.?>04.05. 06. Test Array File07. 08.
Character
Description
\
Marks the next character as a special character, text, reverse reference, or octal escape. For example, "n" matches the character "n". "\ n" matches the line break. involves the input character \. * + ? | () {}^ $, requires
function War ($a, $b, $c)
{
$n = Func_num_args ();
Echo $n;
}
War (+/-);
Func_num_args () This function can only get the number of arguments in the function and cannot be obtained outside the function, what method can get the number of function
1. Convert a string to an arrayStr_split () is used to convert a string into an arrayGrammar:<>$str = "www.jbxue.com";Print_r (Str_split ($STR));?>2. String splitting functionThe explode () function splits the string into arrays.Grammar:Explode
In the development of PHP Web site, when the user visited the site error, the page can not find the HTTP 404,403 error message, in order to improve the user experience, we need to customize the 404, 403 error page, prompt the user next action or
Now memcache in the server cache application is more extensive, let me introduce the memcache implementation of Message Queuing An example, there is a need to understand the friend can refer to.
The principle of Memche Message Queuing is to make a
Download the URL of the source package
Http://pecl.php.net/package/xhprof
It says that each version applies to the PHP version.
Planning (pre-figuring out the idea)One, this is the form of a PHP extension. Our installation of Gd2,curl is a form
keywords:CURL
Cookie Curlopt_cookiejar curlopt_cookiefile Demo Login PHP
Author:Square Double Studio
Original: http://www.cnblogs.com/txw1958/p/php-cookie-login.html
I. Defining a cookie Storage path
Absolute path must be used
()." /pic.cookie
Always want to walk the road of yards, but did not learn. has not been with the yards farmers. Now I want to do some yards on a set of a training agency of the PHP video to see. Hope to walk on the path of the yards farm.
1.php Beginner's Tutorial
Public Platform developer Public Platform Developer Public Platform Development mode signature Check message response
Author: Fang Times studio
Original: http://www.cnblogs.com/txw1958/archive/2013/05/08/weixin-if29-valid-responseMsg.html
I.
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