Copy Code code as follows:
/*
* Created on 2007-6-8
* Programmer:alan, Msn-haowubai@hotmail.com
* Php100.com Develop a project Php-mysql-apache
* Window-preferences-phpeclipse-php-code Templates
*/
To avoid errors caused by duplicate
Definitions and usage
The STRTR () function converts a specific character in a string.
Grammar
STRTR (string,from,to) or
STRTR (string,array) parameter description
String1 required. Specify the string to convert.
From required (unless an array is
PHP, to adapt to the post simple encryption of ciphertext
Copy Code code as follows:
Replacement from previous versions of cryptographic replacements
function Compress_func ($match) {return strlen ($match [0]). $match [0]{0};}
Recently encountered the problem of PHP remote picture local words, check the manual found File_get_contents () and file_put_contents () can solve this problem. The idea is simple, read the remote file into the string, and then write the specified
First, class document description
Copy Code code as follows:
Class image_tool{
/**
* Construct Image_tool Object
* @param string|array $img _data
* $img _data can be the path to the picture
*/
function __construct ($img _data= "");
PHP4.0 has more than 30 new array-related functions. Many of these common functions allow you to check whether a given array has a specific object, an array element count, an addition or deletion element, or a sort of element. If you have a large
11. Inheritance of Classes
As an aspect of three important characteristics of object-oriented, inheritance plays an important role in the field of object-oriented.
I don't think I've heard. An object-oriented language does not support inheritance.
PHP Execution System External command PHP as a server-side scripting language, such as writing simple, or complex dynamic Web pages such tasks, it is fully competent. But things are not always the case, sometimes in order to implement a function,
But it's not easy to be a master of PHP programming. Not as many people imagine, as long as you can quickly write a few simple code to solve a complex problem is the Master of PHP programming, the real PHP master will need to consider more other
$_server[' php_self '] #当前正在执行脚本的文件名, associated with document root.$_server[' argv '] #传递给该脚本的参数.$_server[' argc '] #包含传递给程序的命令行参数的个数 (if run in command line mode).$_server[' Gateway_interface '] #服务器使用的 the version of the CGI specification. For
To deal with this situation, some of the practice is to use time stamps to rename new files, some with the method of increasing the number, in order to solve the trouble of operation, I recently wrote a frename function, you can flexibly according
First step. First from the article to all the with the right to dig out.
Copy Code code as follows:
$message//article content
Regular (this is not yet)
$reg = "/]*src=\" (http:\/\/(. +) \/(. +) \. ( JPG|GIF|BMP|BNP)) \ "/isu";
Copy Code code as follows:
$setting = Array (
Black probability
0 => 0.99,
White probability
1 => 0.01,
);
Requires the GD Library
Header ("Content-type:image/png");
$im = Imagecreatetruecolor (256, 256) or Die ("Cannot Initialize new
For the safety of the website, certainly does not let upload php file, if someone enters your backstage, uploads a php file, your website source code, all saves becomes his, the direct packing looks your code. So be sure to control the upload of the
This article describes the PHP multithreading concurrency implementation method. Share to everyone for your reference, specific as follows:
In Java, multithreading is a new thread of things, PHP relies on the Apache Linux Bottom has a multithreaded
This article describes the PHP binary lookup algorithm. Share to everyone for your reference, specific as follows:
BinarySearch
The method used in the binary lookup is relatively easy to understand, taking an array as an example:
① first takes
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