PHP Tutorials

When I wanted to do a random replacement of the background image, written in JavaScript, the program flow should be: Create an array of images, a random selection of one of the values, create a style and write to the body tag. But with JS do, there

Copy CodeThe code is as follows: /* * Website Home hyperlink Reverse Search links query outside the chain * Web technology Enthusiasts lost63.com original qq:35501547 * Reprint please indicate the source */ if ($_get[' action ']== "check")

a simple procedural framework. Webgame Program Composition: Three parts. The first is the data flow. The second is the procedure. The third is art. Among them, the data flow includes the function. Data flow can only be reflected in the

Copy CodeThe code is as follows: "http://". $_server [' http_host '].$_server[' php_self ']. "?". $_server[' query_string ']; PHP Server Functions

And it's 3 times times more efficient. Therefore, recursion in PHP must be treated with care. Recently wrote a fast sorting algorithm, found that the recursive efficiency in PHP can not be fits, in a variety of servers, may behave differently. Copy

Copy CodeThe code is as follows: The algorithm of sub-database sub-table function calc_hash_db ($u, $s = 4) { $h = sprintf ("%u", CRC32 ($u)); $h 1 = intval (Fmod ($h, $s)); return $h 1; } for ($i =1; $i { echo calc_hash_db ($i); echo

Iconv ("UTF-8", "Gb2312//ignore", $FormValues [' a ']) Ignore means ignoring errors at the time of conversion, and discovering that Iconv will make an error converting the character "-" to gb2312, and if there is no ignore argument, all strings

Please click on the following address to download: CSV operation class Instructions for use are as follows: 1. Generate a CSV file Copy CodeThe code is as follows: Require "./include/csvdatafile.php"; Set_time_limit (200); Header

1. Print array functions Copy CodeThe code is as follows: function _print ($array) { Echo (" Echo (""); } 2. Intercept strings Copy CodeThe code is as follows: Func_chgtitle function Func_chgtitle ($STR, $len) { if (strlen ($STR) >

I spent an afternoon, I wrote a PHP script to deal with the upload file script code, did not do more security processing, I hope to be useful to everyone. First, add the following code to your Config.js file: Copy CodeThe code is as

Pie chart Copy CodeThe code is as follows: //+------------------------+ //| Pie3dfun. php//Common Functions | //+------------------------+ Define ("Angle_step", 3); Defines the angle step when drawing an elliptical arc Define ("font_used",

Introduction to Web Game Development Tutorial II (game mode + system) Http://www.jb51.net/article/20724.htm First, choose the development language Backstage: java. NET PHPFront Desk: Flex JavaScript AjaxDatabase: MySQL MSSQLIt really doesn't matter

I. Preface: Version info: okphp BBS v1.3 Open source version Due to the reasons of PHP and MySQL itself, php+mysql injection is more difficult than ASP, especially the construction of the sentence at the time of injection is a difficult point, this

This is a slightly more experienced phper that will solve the problem in the following way 1. Look at the error output, from the output item back to the source code, in the context of the source of debugging code can be the simplest $debuglineno = __

/* Author: BJF; Application: Read the contents of the file; */ function Read_file_content ($FileName) { Open File $FP =fopen ($FileName, "R"); $data = ""; while (!feof ($FP)) { Read the file $data. =fread ($fp, 4096); } Close the file Fclose

Hi everyone free locomotive collector of friends: The free version of the locomotive does not support external processing of collection results, such as using PHP to assist with the results, and the locomotive itself is not fully supported for

Copy CodeThe code is as follows: function GetIP () { if (getenv ("Http_client_ip") && strcasecmp (getenv ("Http_client_ip"), "Unknown") $ip = getenv ("Http_client_ip"); else if (getenv ("Http_x_forwarded_for") && strcasecmp (getenv

After PHP5.0, PHP object-oriented commission more methods, make PHP more powerful!! Some of the functions in PHP called Magic Methods, introduced here: in fact, in the general application, we need to use them!! 1.__construct () when an object is

foreach is the operation of an array copy (by copying the arrays), while the while is manipulated by moving the internal indicators of the array, which is generally considered to be faster than foreach (because the foreach first copies the array in

PHP has only categories (class), methods, attributes, and single inheritance (extensions). For users who are not accustomed to using C + +, Java, Delphi and other object-oriented languages to develop programs, read about the object-oriented concept