PHP Tutorials

How to keep the uniqueness of the concurrent write database? A, a, two requests concurrent registration of the same user name username= ' myname '$is _user = "Select username from users WHERE username= ' myname '";if (! $is _user){Echo ("INSERT

What's the outlook for PHP I do not know the future of PHP good or bad. No clue to learning. ------Solution-------------------- Because PHP is simple, the development cycle is short, fast, quickly become the preferred technology for small and medium-

How do string dynamic stitching be done in the Smarty template engine? I want to $value.seller_id this value is how much so star_02 in the 02 is how much, is 02 is dynamic, in the template how to splice it? Thank you ------Solution------------

Phpexcel inserting a picture into a cell to wrap a line To export a table from the database to Excel using Phpexcel, the table has a picture path now my code is as follows: Require_once ' phpexcel.php ';Require_once ' phpexcel/writer/excel5.php ';

The question of the upload class in TP Public Function add_article () {if ($this->create ()) {P ($_post);P ($_files);if (!empty ($_files[' thumb ' [' name '])) {$upload = new \think\upload ();$upload->savepath = './upload/article/';$upload->exts

With PHP number nine Gongge. As below, the effect: 2 3 4 5 6 7 8 9 1 3 4 5 6 7 8 9 1 2 4 5 6 7 8 9 1 2 3 5 6 7 8 9 1 2 3 4 6 7 8 9 1 2 3 4 5 7 8 9 1 2 3 4 5 6 8 9 1 2 3 4 5 6 7 9 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 ------Solution-------------------- $

Private variable issues The name is a private variable, measured with isset () as ture, I know that I can use unset to delete the name in the object, could I do something else with name? ------Solution-------------------- References: The

Php_curl WIN8 Installation Http://www.macnie.com/php_curl-dll-%E5%BA%94%E7%94%A8%E7%A8%8B%E5%BA%8F%E6%97%A0%E6%B3%95%E5%90%AF%E5%8A%A8%E5 %9b%a0%e4%b8%ba%e5%ba%94%e7%94%a8%e7%a8%8b%e5%ba%8f%e7%9a%84%e5%b9%b6%e8%a1%8c%e9%85%8d%e7%bd%ae%e4%b8%8d

What is the current page of the thinkphp page? thinkphp with the page, the current page is Page.class.php in $nowpage, how to display on the front page? In other words, the foreground {$page} is displayed on the page, previous page, next page, and a

How dynamic Web addresses become static Make a website is based on PHP dynamic but point open links are index.php?id=12 and the like can use pseudo-static this into index_xx.html thank you ------Solution-------------------- Starting a. htaccess file

Seek Master decoding ... Thank you. $OOO 0o0o00=__file__; $OOO 000000=urldecode ('%74%68%36%73%62%65%68%71%6c%61%34%63%6f%5f%73%61%64%66%70%6e%72 '); $ oo00o0000=836, $OOO 0000o0= $OOO 000000{4}. $OOO 000000{9}. $OOO 000000{3}. $OOO 000000{5}; $OOO

Help: My97datepicker Control Time Modification Who is familiar with My97datepicker's favor? I click the seconds in time to pop up the numbers in the red circle are 0,10,20,30,40,50 Now I want them to be spaced at 30, showing only 0, 30, which file

How to design a acess_token mechanism? To verify the validity of the user Need to add a acess_token mechanism The little brother didn't want to know how to store this thing? If user a asks for the first time to assign him a acess_token = a

PHP Read Json_decode data problem How do 6 JSON data data be displayed randomly? I use foreach ($content as $key) { Echo $key->bucket_name; } He's showing it in order. How can we get him to show it randomly and not repeat it? Ask the great God for

How to print in batches with four digits of both letters and numbers. 00x0 00x1 00x2 00x3 ........ 99x9 What is the way to print out this effect? ------Solution-------------------- $arr = Range (0, 999);$b = Array_map (' Change ',

Recursive infinite classification tree, how to control the depth? This post was last edited by xingguangyingying on 2014-03-19 02:52:34 The code is as follows, such as Echo nav (0,0); Just like all NAV (0,1), how do you judge the level $deep? In

ADODB connection to remote SQL2000 Virtual machine Environment SQLSERVR2003 installed APPSERV Package SQL2000 database that can connect to this machine The SQL2000 database of the public network is unreachable (can be connected with ASP.) Excuse

The TXT file is not updated when the user of the program modifies the data without modifying it Again back to the page, the user whether or not to modify the data are important to save, I set the JS hint, but million a bit wrong, the data is all

Trouble with PHP Beginners Some people always say will not check the information, now the Internet so convenient, and for beginners, online information is indeed a plethora of, but that is what they really want I think only, I think only those

PHP learners ' most common problems PHP Beginners often encounter some of the problems Ah! ------Solution-------------------- This person is different, can not give you a definite answer only you have to experience to find out what the problem ------