PHP Tutorials

I see Ecshop's 88 sheets are all MyISAM type, for e-commerce sites, related to the issue of payment, can not use things? No locks, no things how to do inventory, how do you pay? What if a SQL fails in the payment link? Why does it not innodb

A table can have up to a few indexes at the same time, such as a and B fields have indexes, where a=1 and b=1, are these two used at the same time? There are a=1 and c=1,c are normal fields, this time will use a index well, there are joint indexes

Mac with XAMPP configuration environment, changed directory after restarting Apache appears ah00526:syntax error on line 229 of/applications/xampp/xamppfiles/etc/httpd.conf: DocumentRoot must be a directory, the online search is the SELinux problem

$query =mysql_query ("Select text from opus where id= $id", $dbconn); while($row= mysql_fetch_array($query)){ $text3=$row['text']; $text4=html_entity_decode($text3); echo $text4;} As above, the direct echo $text is OK. But like the bottom,

How to design such an activation process, generally how to activate? The purpose is to charge. Fees are charged for registered users, but they can be registered, but the problem is that they must be paid to use the functionality of the site,

For example, 1 team can have multiple player, and 1 player can belong to more than one team, which forms a many-to-many relationship. For this situation, how is the restful interface designed? First say create POST: /teams/1/players/PUT:

Intranet to do a website, the server's IP is dynamic, is there any good way to make it easy for everyone to access? I think of the method: : Original method: Look for the administrator, but this may not be the original egg pain. : Send an

The page contains navigation nav and main content section Content,nav contains level three navigation. I want to not refresh the navigation when I click on a navigation connection (keep the original folded and expanded), so I used the Ajax div

Recently encountered some problems, the server to a process too time-consuming causes the Web page to react slowly, heard the task queue. Google a bit, basically speaking of a queue how to use, but in fact there is not a too clear concept, can you

The company is currently working on a small company, developing a social app, developing the API (node. js) required for the app, the PC-side User Center (PHP), the General Management Center (Java), and currently using the MySQL database, all using

On the local server and the uploaded video on the line will be a part of the playback will be loaded failure, I checked the configuration information of swfupload, no errors found, what is the reason? Reply content: On the local server and the

A very simple problem feeling should not be affected very much, but it has obsessive-compulsive disorder, not to ask uncomfortable skinner .... For example, a page of the form, there are additions, edits, deletions and other functions, in the

PHP Apache How to achieve high degree of anti-collection image Image site, content page body content There is only one picture. Do not consider search engine optimization. Is there any way to high-level anti-collection? The first write procedures

I have a strange problem with using PHP's include to introduce files today: This is my header_mp.php file: Here are some of the parts I introduced: This should be OK, but the browser preview on the problem, the layout is all messed up, I use

The processing of data crawling on the web, need to do a lot of DOM, string and other related operations, if using PHP through regular expression processing, it is very complex and cumbersome to write, often error-prone, through the Ajax operation,

Inside the Sdkconfig is configured the address of the background notification, with the external network. Front desk is to show the success of the transaction, the front desk notification is able to receive, and the background of the notification is

Ajax request is already generated a good cache file, the file itself is small, only a few k, but the request used about 1.5S, what should be the tool to test the backend code efficiency Reply content: Ajax request is already generated a good

Environmental php5.3 nginx1.8When generating the captcha picture ` private function outputImg(){ if (imagetypes() & IMG_JPG) { header('Content-type: image/jpeg'); imagejpeg($this->im); } elseif (imagetypes() & IMG_GIF) {

There is a volist loop inside my template that uses a switch to determine which file is included in the loop. Similar to the following:

A string can contain only 中英文，数字，'-','_' PHP regular expressions. Use the preg_match() function. Reply content: A string can contain only 中英文，数字，'-','_' PHP regular expressions. Use the preg_match() function. I think you mainly want to