PHP

If the previous result is false, the operation is not executed. if the result is true, continue with the following operations. Example: ! Defined ('Magic _ QUOTES_GPC ') & define ('Magic _ QUOTES_GPC', get_magic_quotes_gpc ()); O (zookeeper) o Alas,

The first way to use Flash animation is to use the Ming library to dynamically generate them. The Ming library is a PHP library. in the wamp, I see that this library has been taken, but it is not enabled. There is a set of objects mapped to the data

10 of PHP functions, although uncommon, are very useful. if you have special requirements, take full advantage of php. 1. sys_getloadavg () Sys_getloadavt () can obtain the system load. This function returns an array containing three elements, each

It is to sort the IDs by orderbyiddesc or orderbyidasc, and then judge the articles in the same column than the current id & gt; or smaller than the current article id. Implementation principle: Order by id desc or order by id asc for the id pair,

PHP online decompress Zip file function code. For more information, see. The code is as follows: /*********************** @ File-path to zip file* @ Destination-destination directory for unzipped files*/Function unzip_file ($ file, $

PHP mandatory file download function code. this function provides mandatory file download functions for users. The code is as follows: /********************* @ File-path to file*/Function force_download ($ file){If (isset ($ file) &

In normal work, you often receive notifications about website emails, text messages, and emails sent to website members. the user list is generally provided by other colleagues, which will inevitably be repeated, to avoid repeated sending, I need to

For URL encoding in PHP, urlencode () or rawurlencode () can be used. The difference between the two is that the former encodes space into +, while the latter encodes space into % 20, however, it should be noted that only part of the URL should be

Writing a program is the form of html code displayed by the browser. Therefore, we should first study these five types. Numbers, Floating Points, and Boolean types are value types. in English: int, float, and bool, you can see how they are

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 =

It is not officially recommended that you apply NonThreadSafe to the production environment, so we will use the ThreadSafe version of PHP. 1. Download PHPThere are many php download versions, among which, Vc9 = vs2008 Compilation. we recommend that

In the previous article, I used cookies and discuz databases to retrieve user names, user groups, user IDs, and other information, but that information is not necessarily accurate, because the auth value in the COOKIE is used for dynamic login

This is what happened at noon today. someone asks for help in the group. for example, if the tag in xml is & lt; xx: xxxx & gt; content & lt; xx: xxxx & gt; in this case, the value of xx: xxxx is not obtained. After reading this question, the first

The most widely used example is the Discuz search function. The result ID is cached in a table and the table is searched in the cache next time when the same keywords are searched. General cache technologyData cache: the data cache here refers to

Creates and returns a text data stream and applies various options. it can be used in special procedures such as timeout setting, proxy server, request method, and header information setting for fopen () and file_get_contents. Purpose: Create and

Php Prime (prime number) implementation code. For more information, see. The code is as follows: Class timer{Var $ time_start;Var $ time_end;Function _ construct (){$ This-> time_start = 0;$ This-> time_end = 0;}Function timer (){$ This->__

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 [$

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

Php learning loop structure implementation code. For more information, see. The code is as follows: /* Loop structure* 1. while loop* While (expression)*{* Loop body; // execute repeatedly until the expression is false.*}* 2. do-while loop* 3.

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!