PHP

Phpbean has few core files, which is very relevant to phpbean design ideas (focusing on performance and cooperative development by division of labor. The core of Phpbean is only to implement the basic MVC framework. It does not provide any redundant

Class ImageReport {Var $ X; // image size X axisVar $ Y; // the Y axis of the image size.Var $ R; // R value of the background colorVar $ G; //... G.Var $ B; //... B.Var $ TRANSPARENT; // whether TRANSPARENT 1 or 0Var $ IMAGE; // IMAGE//-------------

I cannot use the root account of localhost to connect to the DBA to create a user!Obtain the information of authorized users for emergency purposes.Authorization Table exampleGrant is used to add and create permissions for users, and revoke is used

######## Random ad display ##########Function myads (){$ Dir = "ads"; # Set the directory for storing records// $ Dir = "ads"; # Set the directory for storing records$ Ads = "$ dir/ads.txt"; # Set the ad code file$ Log = "$ dir/ads. log"; # Set the

Implementation content: truncate a piece of text containing HTML code, but there will be no issue that the congestion mark is not closed.Note: This is a PHP version used on the server. If you need a Client Version, read the next article.When writing

During PHP running, different prompts are given for errors with different severity levels.Eg: When $ a is not declared, it is directly added. The value is NULL. When it is added, it is regarded as 0. However, it prompts NOTICE, that is,

However, both iis and apache only compress html static files by default. For PHP files, the module configuration is required. (Dynamic and Static Compression can be enabled in iis7.5 ), therefore, the effect of using php's own functions to reach

As follows:Copy codeThe Code is as follows:Function unicode_encode ($ str, $ encoding = 'gbk', $ prefix = '& #', $ postfix = ';'){$ Str = iconv ($ encoding, 'ucs-2', $ str );$ Arrstr = str_split ($ str, 2 );$ Unistr = '';For ($ I = 0, $ len = count (

Copy codeThe Code is as follows:/* Simple implementation of recording data using text files */$ Counter = 1;If (file_exists ("mycounter.txt ")){$ Fp = fopen ("mycounter.txt", "r ");$ Counter = fgets ($ fp, 9 );$ Counter ++;Fclose ($ fp );}$ Fp =

When logging with PHP, or Ajax request error, You Want To debug. We usually write information to a specified file.. Then the problem is handled according to the corresponding information.For example, I like to add the following code in the PHP

Serialization is the process of converting a variable to a saved or transmitted string. deserialization is to convert the string to the original variable when appropriate. These two processes can be combined to easily store and transmit data, making

Several PHP algorithms involve the following examples.PHP bubblePHP binaryEvaluate the prime number in PHPPHP multiplication table PHP Bubble Method exampleCopy codeThe Code is as follows:// PHP bubbles from small to largeFunction maopao (& $

Php mt_srand play a better random number generator SeedMt_srand(PHP 3> = 3.0.6, PHP 4, PHP 5)Mt_srand -- play a better random number generator SeedDescriptionCopy codeThe Code is as follows:Void mt_srand (int seed)Seed is used to seeding the random

When a Web server executes a PHP script, it sometimes takes a long time to return the execution result. The subsequent script takes a long time to continue execution. To execute the next operation without waiting for the execution result, you can

In many cases, PHP is not suitable for resident SHELL processes. It does not have dedicated gc routines or effective memory management channels. so if you use PHP as the resident SHELL, you will often be exhausted by memory, resulting in abort and

Copy codeThe Code is as follows:$ A = 1; // start$ B = 2; // end$ C = $ B-$ a; // count the total number of images that can be generated$ AB = $ IN ['number'] = 4; // Number of digits$ A_c = $ in ['hdcount'] = 50; // how many images are generated?$

1. Do not translate html entities A basic knowledge: All untrusted input (especially the data submitted by the user from the form) must be converted before output. Echo $ _ GET ['usename'];This example may be output:This is an obvious security risk,

1. PHP redirection1. PHP redirectionMethod 1: header ("Location: index. php ");Method 2: echo " window. location = \" $ PHP_SELF \ "; ";Method 3: echo " ";2. Obtain the visitor's browserFunction browse_infor (){$ Browser = ""; $ browserver = "";$

In the PHP document, we only mentioned that echo can use the following command to output multi-line strings (and the variables are automatically replaced ):PHP codeCopy codeThe Code is as follows:Echo This uses the "here document" syntax to

Function array_diff ($ array_1, $ array_2 ){$ Diff = array ();Foreach ($ array_1 as $ k => $ v1 ){$ Flag = false;Foreach ($ array_2 as $ v2 ){If ($ flag = ($ v1 = $ v2 )){Break;}}If (! $ Flag ){$ Diff [$ k] = $ v1;}}Return $ diff;} Although the