PHP

100 evaluate the length of the detection string $ str [0] = & quot; 123asd Hello [haha] & quot; $ str [1] = & quot; 123asd Hello [] & quot; // A Chinese character (UTF-8 encoded) symbol [here the word and the symbol outside are counted as one

Find an SQL statement! There is now a video table with names such as id, title, type, and time. the first 10 records of each type are sorted by time. how can I write SQL statements ?, He wants to sort and select by time, and it should be in reverse

PHP crawls web page code. I am using php code to capture the URL code first. , Ob_start (); & nbsp; $ ch = curl_init (); & nbsp; curl_setopt ($ ch, CURLOPT_URL, $ url); curl_setopt ($ ch, cu php captures webpage code, image path problems I will

The default value of a column in mysql is another column. Is there a solution? & gt; ipvarchar (20), namevachar (20) I want to fill in the ip address value when the insert statement does not provide the name value, that is, how to write the

For example, write an infinite navigation class PHPcodearray (array ('id' = & gt; 1, 'pid '= & gt; 0, 'name' = & gt; 'homepage') and array For example, write an unlimited navigation class. PHP code Array ('id' => 1, 'pid '=> 0, 'name' =>

In PHP, how does the crc32 function verify data? RT. if not, does PHP have other methods to check data ?, Any hash algorithm can be used. CRC (data) generates a fingerprint and sends the data and fingerprint together to the other party. The other

In PHP, global is different from ￥ GLOBALS [] to develop a PHP program. it is inevitable to use global data. global variables are one of them. Of course this is quite controversial. many people suggest disabling global variables. Improper use may

PHP gets the value of the transmitted url through get. When PHP gets the value of the transmitted url through get, when the value of the transmitted value is 3333/455, $ _ GET gets the value 3333. /and the following values cannot be obtained, __url.

I wrote a PHP source code encryption problem. recently, the company gave me a question about PHP source code encryption, I still use 3DES to write an algorithm to encrypt the source code. when the program is running, the source code is decrypted,

How can we avoid chaos in foreign space? I uploaded a simple htm page to display the space normally without garbled characters. However, if you upload other files, they will be garbled. I made a comparison and posted the code to you: index.htm:

In php, how to get the session in the shopping cart? what does the session mean? how to get the session value? how to write the shopping cart program? who knows? send me one. thank you, first session_start (); then you can directly set the session $

Regarding RBAC role permission management, do I use THINKPHP for RBAC role permission management ??? Create five tables for RBAC role permission management (these five tables manage registered website members), and then create five more tables,

How to install the pear toolkit rt and how to install the pear package. why do I not have the functions in my pear package after installation? Is it an incomplete package? Could someone share the complete php5 package? The version I want is 5. the

The question about converting a string into an image in PHP is as follows. I want to convert the email address string into an image and display it. (in order not to see the email address in the source code) please. for example, how do I convert my

After I register or log on, I will jump to the current browser page. how can I achieve this? After I register or log on, I will jump to the current browser page. how can I achieve this ?, Headerlocation, 1 floor tells you to use header //

How to encode Chinese characters in strstr? Cainiao, the younger brother, has encountered some problems recently when writing a segment program, that is, checking Baidu's Road and searching keywords .... $ referer = $ _ SERVER [& quot; HTTP_REFERER &

Please advise, storage of images on the website !!! May I ask, users can upload images to the server on the website !!! Which of the following methods is better? Method 1: save the image to the hard disk, store it in a certain rule, and name it.

How can users select images in the file domain and then display them dynamically? Many websites on the Internet have the upload Avatar function. after selecting a file in the file domain, it can be displayed on the webpage before submission. but how

Php generates images. The Chinese text is garbled .. It turns into garbled characters .. How can this problem be solved ..? Below I copied the font of my code to my Directory: & lt ;? Phpheader (& quot; Content-type: image/png & quot;); $ height = 20

Php variable value PHPcoderequire_once (dirname (_ FILE _) cannot be obtained using the html template __). & quot ;/.. /include/common. inc. php & quot;); require_once (DEDEINC. '/arc. the php variable value cannot be obtained using the html