PHP Tutorials

discuz2.5 An error occurred while upgrading 3.0. Prompt static/image/postbg/3.jpg download problem, its solution is as followsFind source/admincp/admincp_upgrade.php This fileThe files in the$offset = 100 * 1024;Replaced by$offset = 0;This article

Copy CodeThe code is as follows: $pagestartime =microtime (); ?> Web content ... ... $pageendtime = Microtime (); $starttime = Explode ("", $pagestartime); $endtime = Explode ("", $pageendtime); $totaltime = $endtime [0]-$starttime [0]+

Complex data types that are stored in resource variables typically require some memory allocation, CPU time, or network traffic when initializing. However, it is necessary to persist a resource that is similar to a database connection between

How to determine the length of a string in PHP? The first thing many people think about is strlen () Mb_strlen () these functions. But in terms of program performance, these two functions are not optimal in judging the length of a string, although

Recently in the study of the YII framework of PHP, like, encountered the problem of exporting Excel, studied, there is the following method: 1, first add a reference to the Phpexcel in config\main.php, my way Is this: 12345678 //

Speaking of PHP code debugging, for experienced phper, through the simple Echo, Print_r, Var_dump function, or PHP development tools Zend Studio, EditPlus can very quickly solve most of the problems encountered in the work, But for the novice PHP

method One: Copy the Code code as follows:PHP StdClass Object Goto Arrayfunction Object_array ($array) {if (Is_object ($array)) {$array = (array) $array;} if (Is_array ($array)) {foreach ($array as $key = = $value) {$array [$key] = Object_array

The following code for the PHP method to remove the current directory and subdirectories all the file BOM information code, create a new file, put it down root directory, and then browser access. Copy the Code code as follows: if (Isset ($_get['

In PHP there are UrlEncode (), UrlDecode (), Rawurlencode (), Rawurldecode () functions to solve the problem of URL encoding and decoding of Web pages. Understanding UrlEncode: UrlEncode: Refers to the URL of the Web page in the Chinese characters

The combination of two arrays in PHP can use + or array_merge, but these two are still different, it is clear to understand the difference between the two approaches to the rapid development of the project is still very necessary. The main

Today when using XDebug to find a problem, when using XDebug in Eclipse, XDebug's progress bar will be stopped at 57%, and prompted "waiting for XDebug session." In the continuous investigation, and finally solve the problem, the following will be

Work a year, harvest a lot, slowly do some summary, improve work efficiency, The time to work with MySQL is a Unix timestamp: from January 1, 1970 0 o'clock to the current time in seconds, due to the int type, it is convenient for computer

Benchmark Basic information version:1.2.9 Release date:2011-12-11 13:02 UTC Description: Framework for testing PHP script performance (framework to benchmark PHP scripts or function calls.)Download:benchmark Pear Installation and

PHP programming has been for two years, and now will usually summarize some of the more practical ways to improve the performance of PHP to do a summary and share, welcome novice onlookers, high finger is! 1. It is quicker to use single quotes

As described in the Yii documentation, the general process in which yii processes the form is: Create a model class corresponding to the form, set field validation rulesCreate a form to submit the corresponding action to process the submitted

For a long time did not use Smarty to do projects, and today suddenly to change their own website inside some things, because my site is a long time ago with smarty template engine do, change some places on the feeling still have to search the

Both the Execute () and the query () methods in thinkphp can enter SQL statements directly into the parameters. The difference is that execute () is typically used to execute SQL statements such as INSERT or update, and query is commonly used to

Many people on the Web have given answers: Modify the Session.gc_maxlifetime in the configuration file. If you want to learn more about the session recycling mechanism, continue reading. (This article Environment php5.2) Overview: Every PHP request,

PHP generates short URLs Copy CodeThe code is as follows: $chars =array ("A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "s", "T", "U", "V", "w", "X", "Y", "z", "0", "1", "2", "3", "4", "5", "6", "7", "8",

Smarty is a very popular template in PHP development, has previously sent an article PHP smarty Chinese interception plug-in development example is to explain how to develop Smarty plug-ins, this article will share how to do a for loop for the