PHP

How to get the length of an array in SmartyHypothesis:An array is assigned to Smarty. Assume that the division of Smarty is '{' and '}'.In many materials, we can see that when the length of the array is required in Smarty, it can be used after the

Every time a large file is uploaded on The page, The FastCgi error occurs: "The FastCGI process exceeded configured request timeout". After several experiments, I understand that The configuration file "fcgiext" of FastCgi needs to be modified. ini

As the name suggests, the factory can process parts, and the factory mode in the PHP program also has the same function. It is convenient to use a static factory method to instantiate a class, so what are the benefits of doing so? My understanding

First, let's look at the problem: the output of the following code,Copy codeThe Code is as follows:Var_dump (memory_get_usage ());$ A = "laruence ";Var_dump (memory_get_usage ());Unset ($ );Var_dump (memory_get_usage ());Output (on my PC, the load

Before using the database, we 'd better automatically connect the database: config/autoload. php automatically loads $ autoload ['libraries'] = array ('database ');Some common functions Select data$ This-> db-> select ();Allow youSQLWrite in

The following is a simple message processing server implemented through the socket extension module of php: bound to a local port, listening to client connections, receiving data, and forwarding to all clients other than the

Curl_setopt(PHP 4> = 4.0.2)Curl_setopt -- set an option for CURL callsDescriptionBool curl_setopt (int ch, string option, mixed value)The curl_setopt () function sets options for a CURL session. The option parameter is the setting you want, and the

Some features are not added, such as automatic renaming and image processing. You can add them as needed.USE:$ Up = new upfile (ROOT_PATH. 'Data /'. date ("Ym", time (), array ('gif', 'jpg ', 'jpeg'), true );$ Fileimg = $ up-> upload ($ _ FILES

1. Use GZip Add the following code to the top of each PHP page: After this code is used, the server compresses all the code that needs to be sent to the client and decompress it in the browser to speed up website operation. This function can also

For example: name | s: 4: "tasm"; passwd | s: 6: "111111"; mode | s: 1: "1", you also know the location where the session is stored, in addition, files can be uploaded. So, at that time, a small hacker was created, and the passwords of online

1. returns the file extension.Function getformat ($ file){$ Ext = strrchr ($ file ,".");$ Format = strtolower ($ ext );Return $ format;}2. format the variable$ Num = 1;Printf ("% 04d", $ num );?>3. php redirection webpage// For example, redirect to

1. Purpose of this function: Remove repeated elements in the array and sort by key namesFunction assoc_unique ($ arr, $ key ){$ Tmp_arr = array ();Foreach ($ arr as $ k =>$ v ){If (in_array ($ v [$ key], $ tmp_arr )){Unset ($ arr [$ k]);} Else {$

"The learning process is to constantly discover and correct errors," said blankyao ";Let's take a look at what I said in the manual!For average people, just look at the first two paragraphs.Magic QuotesCode:Magic Quotes is a process that

Class Email {// --- Set global variablesVar $ mailTo = ""; // recipientVar $ mailCC = ""; // CCVar $ mailBCC = ""; // Private CCVar $ mailFrom = ""; // senderVar $ mailSubject = ""; // topicVar $ mailText = ""; // subject in text formatVar $

Untitled Document Echo urldecode ("% E5 % 93% 88% E5 % 93% 88 ");Echo " ";Echo rawurldecode ("% E5 % 93% 88% E5 % 93% 88 ");Echo " ";Echo utf8_decode ("% E5 % 93% 88% E5 % 93% 88 ");Echo " ";Echo "% E5 % 93% 88% E5 % 93% 88 ";Echo " ";Echo $ _ GET ['

Generally, a website that provides Member registration must collect the user's password. How to save the user password is a problem. Of course, we cannot store passwords in plain text in the database, because in this case, the general administrator

Today, I got to the next level... first write one: (numbers are added) Copy codeThe Code is as follows:$ A = "10"; // connect "to the left$ A + = "2"; // Add "on the right" to the leftEcho $. " \ n"; // here the result is 12, which means that $ a

UTF EncodingThe UTF-8 is coded in 8 bits. The encoding from UCS-2 to UTF-8 is as follows:UCS-2 coding (hexadecimal)UTF-8 byte stream (Binary)0000-007F0 xxxxxxx0080-07FF110 xxxxx 10 xxxxxx0800-FFFF1110 xxxx 10 xxxxxx 10 xxxxxxFor example, the Unicode

How to change the Apache Port: Find the httpd. conf file in the conf directory under the Apache installation directory. Open it, find "Listen", and the number of Listen is the port number. The default status is "Listen 80 ". In the previous PHP

Copy codeThe Code is as follows:Echo substr (md5 ("admin"), 8, 16); // 16-bit MD5 EncryptionEcho " ";Echo md5 ("admin"); // 32-bit MD5 Encryption?>The 16-bit MD5 encryption is achieved by intercepting characters using the substr function ....I don't