PHP is currently the most widely used web-based programming language, driving millions of web sites, including some large sites such as Facebook. This collection of 21 practical and convenient snippets of PHP code is helpful for each type of PHP
Recently found that the blog's comment floor is a bit of a problem, the previous set is "at the top of each page to show a new comment", which is called reverse display comments, but the topic only support the order of the comments floor, so the
Notification mechanism to achieve, the official only document without the demo code, for those who have not done, it will take a lot of time to do the test.
From the point of view of the document, the micro-letter each notice over the data, the
If a large number of visits to the database will cause a lot of burden, so for the change does not often content to do well PHP data cache (cache) is very necessary, I made a simple php "file caching" class, I hope to help.
The idea is this:
For
This is a PHP generated GIF animation to achieve dynamic picture Verification Code program, very practical, PHP user Registration login interface often need to use the verification Code program, there is a need for GIF dynamic picture Verification
We all know that using Php+mysql in the Web page to implement the database data display is very simple and interesting, very few database data in the case of the page display is still satisfactory, but when the database data is very many cases, the
Often see the configuration file contains some similar format variable names and values, in fact, is a serialization process, when you need to use these databases will be a deserialization process, is to restore the string to his original data
This article describes the method of realizing the infinite pole classification of smarty template in PHP. Share to everyone for your reference, specific as follows:
". $n $class _arr[$i][1]. "
\n "; }else{$str. = " $n. $class _arr[$i][1]
This article to introduce you to a good need to login PHP file Upload management system, the function of a simple need to know students can refer to. Code as follows
Please login Enter Password: Authentication characters: form>
After upgrading the VPS, due to the compatibility problem of Ubuntu upstart and OpenVZ, the SSHD service does not start automatically, after attempting veportal console and File Manager and submitting technical support can not solve the problem.
Memcache is a danga.com project, the first to serve the LiveJournal, many people around the world use this cache project to build their own heavy load of the site to share the pressure of the database. It can handle any number of connections and use
Laravel is a concise, elegant PHP Web development Framework (PHP Web framework). In the world (excluding China) PHP framework has a share of more than 40%.
Since the touch of PHP has been using yii, feeling YII implementation is relatively simple,
Session in PHP is a very important thing, like our user login is generally used to the session of this thing, relative to the cookie session to a lot of security, and our shopping carts often use the session to do temporary records save OH.
Save
Description
Array Array_flip (array trans)
Array_flip () returns an inverted array, for example, the key name in trans becomes a value, and the value in trans is the key name.
Note that the value in trans needs to be able to be a valid key name,
Copy Code code as follows:
/*—————————————————— */
-Recursive implementation of infinite classification to generate a drop-down list function
– $tpl->assign (' Sort_list ', createsortoptions ());
– $tpl->assign (' Sort_list ',
First of all, the basic grammar:
Array_slice (array $array, int $offset [, int $length [, bool $preserve _keys]])
Array_slice () returns a sequence of arrays in the array specified by the offset and length parameters.
If offset is non-negative,
Here is your own hands-on code, and we learn to study together.
Product comparison of the call JS file (contains the merchandise contrast box floating js):
/* Floating window * * (function () {var n=10;
var Obj=document.getelementbyid
Clear out a section of hyperlinks in HTML text The most common wording can be as follows:
Copy Code code as follows:
$str =preg_replace ("/]*href=[^>]*>|]*>/i", "", $content);
1. Delete hyperlinks in HTML text content
Copy
Copy Code code as follows:
/*
A function that determines whether a string exists
*/
function strexists ($haystack, $needle) {
Return! (Strpos ($haystack, $needle) = = FALSE);/Notice the "= =" here
}
/*
Test
*/
$mystring = ' abc ';
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