How do I write a selective execution statement?

My a.php page is the Edit content page, which is an ordinary edit, then submits the content to the database page, the approximate structure is as follows 。。。 $sql = "Update ' usercontents ' Set .... 。。。 I want to implement this function, when

Ask for a basic knowledge of a regular expression.

Do not know where this question should be asked, borrow treasure to ask for a moment. Just see an example, there are three groups of characters as follows: Z Zo Zoo Why zo* can match Z? Zo+ can only match Zo,zoo. is zo* equal to z{1}o*? Beginners

Encountered a JS output problem, seek the master

The final result I want is to use JS to output this But now four arrays have been output, that is, do not know how to close together, please help the master. The following results are output separately: Reply to discussion

I'm not going to write a regular, get off work.

In a bunch of HTML-tagged article $content, I want to filter out this piece of code: But I have not learned the regular expression, asks the regular altar friend to help. Reply to discussion (solution) What are the criteria for

PHP garbage Collection

Example #1 generate a new Zval container $a = "new string";?> In the example above, the new variable A is generated in the current scope. and a variable container of type string and a value of new string is generated. In the additional

Why does the page display do not exist when I click Submit in this code?

This is two pages below is 1.php commit after jump to 2.php then jump to 1.php I use 360 browser submitted after the direct display page does not exist what is going on? There's nothing in the database, I'm a newbie, I might have a lot of mistakes,

How do I change the assignment by clicking on a cell?

Dear God, I would like to achieve click on a cell, the contents of the cell and the assignment of the other variable is changed, I wrote, it seems not possible, why? Thank you! $txt = ' no '; $m = 17; echo " ". $txt." ";

Excuse me: Determine if the other is a PC or mobile device, then set the HTML code

Reply to discussion (solution) Both ends of the code, a section for mobile phones, a section can only be used for PC. I want to use PHP code to judge the other's device, and then write the player code. Try to parse user_agent. Try to parse user_

PHP Display page in the location of the problem

Want to show echo to the specified location Reply to discussion (solution) Quotation marks are required when the content of ECHO is HTML code Quotation marks are required when the content of ECHO is HTML code Hint

Does anyone know what the following code means

pd9wahanci8v6k6+572u5pww5o2u5bqt6zo+5o6l5l+ H5ogvdqpkzwzpbmuoj0rcx0hpu1qnlcdsb2nhbghvc3qnktsncmrlzmluzsgnrejfueftu1dpukqnlccxmjmnktsncmrlzmluzsgnrejfvvnfuk5btuunlcdy

Excuse me, why does this address book browser have no data to display? Thank you

"Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" > PHP_ Address Book Browser Address Book Browser Reply to discussion (solution) Request Great God Test Guide! Thank you! $query = "Select

Encapsulated CALSS How to get the text box contents of HTML

Website is thinkphp framework My HTML code Then there is a encapsulated indexcontroller.class.php file, the invocation content is; Public Function Zckq () { M (' Aconfig ')->where (Array (' ID ' = 1))->save (Array (' zcoff '

PHP array elements quickly go heavy

1. Use the Array_unique method to remove the weight To de-weigh the elements of an array, we generally use the Array_unique method, which can be used to weigh the elements in the arrays. 123456 Output: Array ( [0] = 1 [1] = 2 [2] = 3

Can the same PHP page have both commit and fetch data?

Do a similar effect on the home page can show all the posts to click on a post to jump to the topic of the topic is through the $_get[' title '; users click on the title of the page from the database to query this post author of the content code as

How to deal with null values into "" double quotation marks, seeking the great God

{ "ReturnCode": "0", "Returndesc": "Success", "Returndata": { "List": [ { "Pkid": "1", "Link_url": "", "Banner_path": "Http://test.comn/Public/upload/headpic/adver/2015-12-03/565ff9b7350e6.jpg", "Model_type": null, "model_id": null } ] } }

How PHP receives the contents of this article from the previous PHP and writes the data table

Course design is to write high-speed tickets The function I want to implement now is: Administrator, modify a train information that has been entered into the data table File 1:manage_change_input.php Part: $trains =$_get["Trains"]; $origin

Paging Long articles using PHP

When the content of the article, in order to facilitate reading and page display we generally display the content page. In general, paging is a static file that generates multiple pages of content when an article is published in the background. In

About the Magic constants of PHP

$_server stores current server information, with several values such as $_server["Query_string"],$_server["Request_uri"],$_server["Script_name" and $_server[" Php_self "] often easy to confuse, the following through the example of the $_server

How does the paging function in this package change to this effect?

Don't let it show all pages will always show only 5 pages or 10 pages just like in the picture. How should I change this code? function Fenye () { Global $page, $pagenum; echo ""; echo " "; Echo ' '. $page. ' /'. $pagenum. ' Page |';

Php--cookei Record user History browsing information

Shopping site sometimes need to understand the user's recent needs, the collection and push the user's view record becomes the most of this kind of website indispensable function, below is I in the development project own writing method, one to save,

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