PHP Tutorials

Copy CodeThe code is as follows: Function: Traverse and print all files in the specified directory function Scan_dir ($dir _name, $dir _flag=1) {Static $FILE _count=1; Number of log files initial value is 1 directory name does not remember$FILE

Copy CodeThe code is as follows: $id = "Http://www.jb51.net"; $token = Encrypt ($id, ' E ', ' jb51 '); echo ' encryption: '. Encrypt ($id, ' E ', ' jb51 '); Echo ' '; Echo ' decryption: '. Encrypt ($token, ' D ', ' jb51 '); /***********************

Copy CodeThe code is as follows: Set_time_limit (0); $str = Str_pad ($STR, 512, "0"); $file = fopen ("./temp", "A +"); $i = 0; $bytes = 1000000000; $mygabyte = $bytes/1000000; echo "Test start. Waiting ... "; $starttime = time (); while ($i $i + =

Copy the Code code as follows: if (Preg_match ("/[".,:; *?~ '!@#$%^&+=) (<>{}]|\]|\[|\/|\\\|\ "|\|/", $user)) { Echo ' Do not make all the special symbols in the name, please use only letters, numbers and Chinese characters, and of course your

This has been a long time, more than PHP comes with the var_dump more useful. Copy CodeThe code is as follows: function dump ($vars, $label = ", $return = False) { if (Ini_get (' html_errors ')) { $content = " $content. = "{$label}:$content. = "\ n\

Example XML file: The code is as follows George John Reminder Don ' t forget the meeting!

Introduction: PHP in the generation of static files, sometimes because of some mixed problems to make HTML tags incomplete or confusing, resulting in page confusion. The author shares the following small code can be very convenient to solve the

Copy CodeThe code is as follows: /** PHP treats all class methods starting with __ (two underscores) as a magic method. So when you define your own class method, do not prefix __. * */ __tostring, __set, __get__isset (), __unset ()/*The __tostring

First, download the corresponding DLL Ii. put the files in the Ext folder in the PHP installation directory Third, modify the php.ini Copy CodeThe code is as follows: [Xdebug] Zend_extension= "./ext/php_xdebug-2.2.3-5.3-vc9-nts.dll" ; The

I've tried to find a lot of puzzling problems by replacing them with ASCII and other characters. In the end, replace the following characters, and make a list of all the full corners you can find now. Www.jbxue. SBC2DBC (=' 0 ' = ' 0 ', ' 1 ' = ' 1

At present more and more fire, WordPress also has many users Let's write a plug-in and connect the two together! Now that the test is complete, share the relevant information below. View demo Please add me to the public Innovation Lab, or scan

Code: //----display Previous, next post code START---- $sql _former = "SELECT * from article where id; //previous post SQL statement. Note is in reverse, because the result set is returned with only the first article, not the last

This article mainly introduces the binary cross-permission micro PHP class, the need for friends can refer to the next Liang points: 1, many-to-many cross-scene allocation, 2, PHP new features-closure use, Batch function Array_walk/array_flip use, 3,

PHP cache implementation, the implementation of APC and file cache, inherited cache_abstract can be implemented to call third-party caching tools. Refer to the Shindig cache class and APC. PHP code Class Cacheexception extends Exception {}

PHP code The code is as follows * $SOURCEARR the original array* $key PRIMARY key* $parentKey the parent primary key associated with the primary key* The key name of the child $childrenKey generated**/ function

Use PHP to write a 1GB size file, check the hard disk write rate, there may be some error, It is recommended that you use a professional hard drive test tool to detect General computer Read and write in 20m/s, this test to perform about 40-50s

This lottery small program, in the actual test environment can also be used, for example, the test data query in the in condition, to query the random 5 ID, and then use AB to test [Code] [PHP] CodeView Source Print? 01 02/**03 * “抽奖”函数04 *05 *

When we are doing string processing, if the string handler does not implement what we want, we use the regular to help us implement it. The general use of the regular situation is: matching, find, split, find and replace, we will use these cases in

You do operation and maintenance of children's shoes, will often encounter a problem, that is, someone to download things in the office, affecting everyone online, office. The same problem, if it appears on the server, it is estimated that the boss

Reading: Face recognition is a computer technology that uses image algorithm to judge the position and size of face. It identifies facial features and ignores other image noises, such as buildings, trees, and bodies. Now most social networking