PHP Tutorials

1. Installing Apache Copy the httpd-2.2.4.tar.gz to the/USR/LOCAL/SRC directory TAR-ZXVF httpd-2.2.4.tar.gz CD httpd-2.2.4 ./configure--prefix=/usr/local/apache2--enable-so--enable-vhost-alias--enable-rewrite--enable-deflate-- Enable-mods-shared=

1. What is Phpdocumentor? Phpdocumentor is a php-written tool for PHP programs with canonical annotations that can quickly generate API documentation with cross-referencing, indexing, and other functions. The old version is Phpdoc, starting from 1.3.

There are two ways to replace variables with strings--simple methods and complex methods. The simple approach is to put the variable name in a double-quote string or Heredoc: $who = ' Kilroy '; $where = ' here '; echo "$who was $where"; Kilroy is

1. Overview of methods First of all, write a simple function, you can take a look at it: HTML>Head> title>hellophp title> Head>Body> php function Customprint($str) { for ($i=0; $i I+ +) { echo($str); Echo (''); }}

Copy CodeThe code is as follows: Reading XML with DOM $doc = new DOMDocument (); $doc->load (' Test.xml '); $books = $doc->getelementsbytagname ("book"); foreach ($books as $book) { $authors = $book->getelementsbytagname ("author"); $author =

Now make a simple review: basically should encounter the problems are met, the key is to find more information, multi-brain can solve the problem. 1/Unable to load mcrypt extension, please check PHP configuration; 2/config file now requires top

Copy CodeThe code is as follows: $file = "/home/lvyaozu/backup_20080115.txt"; for ($i =1; $i $func = ' Get_file_ext_ '. $i; Var_dump ($func ($file)); } function Get_file_ext_1 ($file) { Return Strtolower (Trim (substr (STRRCHR ($file, '. '), 1)))

Copy CodeThe code is as follows: $path = $DOCUMENT _root; $path =str_replace ("/", "\ \", $path); Specify folder $path = $path. " \\web\\study\\ "; Get all the files $s =explode ("\ n", Trim (' dir/b/o:gn $path ')); Get all the HTML file names

Copy CodeThe code is as follows: /** Author: Xiaoxiang Blog Time: 2009-11-26 PHP Technology Group: 37304662 How to use: Include_once ' Pager.class.php '; $pager =new Pager (); if (Isset ($_get[' page ')) $pager->setcurrentpage ($_get[' page ');

Copy CodeThe code is as follows: /* * Created on 2007-6-8 * Programmer:alan, Msn-haowubai@hotmail.com * bkjia.com Develop a project Php-mysql-apache * Window-preferences-phpeclipse-php-code Templates */ To avoid errors caused by repeating the

Hidden danger One: If the client machine's cookie is disabled by the virus, then the session will be the equivalent of No. Hidden Danger Two: The session in PHP default is in the form of files stored in a temporary folder, for a small system, it is

Date--Formatting a local time/date Gmdate--Formats a GMT/UTC date/time and returns Greenwich Mean Time (GMT). For example, we are now in the time zone is +8, then the server run the following script to return the time should be this: The current

The following functions: Copy CodeThe code is as follows: /** Get Remote file contents @param $url File HTTP address */ function Fopen_url ($url) { if (function_exists (' file_get_contents ')) { $file _content = @file_get_contents ($url); } elseif

Recognize and use PHP Super global variables The super global variable, also known as a predefined variable, is a self-contained variable in the PHP system, which makes your programming easier and faster. The types of this

The principle is as follows, if: Encryption PlainText: 1010 1001 Key: 1110 0011 Ciphertext: 0100 1010 The ciphertext 0100 1010, the decryption of the need and key can be different or down Decrypt Ciphertext: 0100 1010 Key: 1110 0011 PlainText: 1010 1

Create a page named yz.php Copy CodeThe code is as follows: Require_once (' auth.php '); function Show_login_form () { Echo ' Username Password ' ; } $options =array (' dsn ' = ' Mysql://root:1@localhost/zs ', ' Table ' = '

First of all, in the literal sense, none-thread safe is non-thread-safe, do not thread security at execution time, thread safe is threaded, thread security is performed, to prevent new requirements to start a new thread of CGI The execution method

Copy CodeThe code is as follows: $memcachehost = ' localhost '; $memcacheport = ' 11211 '; function Microtime_float () { List ($usec, $sec) = Explode ("", Microtime ()); return (float) $usec + (float) $sec); } function Runtime ($t 1) { Return

Copy CodeThe code is as follows: $title = ' Home of the script '; $hello = ' jb51.net! '; $file =file_get_contents (' http://www.baidu.com '); $file =iconv ("Gbk//ignore", "Utf-8", $file); Echo $file; Echo Strpos ($file, ' '); echo substr ($file,

1. Resolving a scope problem In the previous section, we talked about the scope of the function in PHP, and if the class is not enough to explain the problem, then the scope example in this article might be more convincing to you. So how can we