PHP Tutorials

Cron is a background process under Linux that is used to perform some tasks on a regular basis. Because I use Ubuntu, all the commands in this article can only be guaranteed to work in Ubuntu, but other systems should be the same. To have cron

Wamp, the virtual machine configuration is divided into three steps, with the following examples: 1. Modify the Hosts fileC:\WINDOWS\system32\drivers\etc\Hosts 127.0.0.1 dz1.test.com 2. Edit the wamp\bin\apache\apache2.2.11\conf\extra\httpd-vhosts.

Copy CodeThe code is as follows: --Call Method/demo.php?url=http://v.youku.com/v_show/id_xmzkyoda2ntey.html echo getyoukuflv ($_get[' url '); function getyoukuflv ($url) { Preg_match ("#id_ (. *?) \.html# ", $url, $out); $id = $out [1]; $content

Using a custom plug-in to load data in Smarty (see: Writing a Smarty plugin to load data directly in a template) is not easy to use, and Brainwave wants to write a tag like foreach: The first step: Add in the _compile_tag function of

Copy CodeThe code is as follows: Take the redirected address Class redirecturl{ Address var $url; Initialize Address function RedirectURL ($url) { $this->url = $url; } /** * Get_redirect_url () * Take the redirected address * * @param string $url * @

PHP 4 introduces a foreach structure, much like Perl and other languages. This is just a simple way to iterate through an array. foreach can only be used with arrays, and an error occurs when trying to use it for other data types or an uninitialized

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 Copy CodeThe code is as follows: /** * "Lottery" function * *

This article describes three ways that PHP generates static HTML files. 1, below use a method of the template! Copy CodeThe code is as follows: $fp = fopen ("templets.html", "a"); if ($fp) { $fup = Fread ($fp, FileSize ("templets.html")); $FP 2 =

The Ob_start () function is used to open the buffer, such as the header () function, if there is output, including carriage return/space/line break/There will be "Header had all ready to send by" error, you can first use Ob_start () The data Block

Copy CodeThe code is as follows: $ret = "; $arrs = Array (Array (1, ' test1 '), Array (2, ' test2 '), Array (3, ' test3 '), Array (4, ' test4 '), Array (5, ' test5 '), Array (6, ' Test6 '), Array (7, ' test7 ') ); foreach ($arrs as $k = = $arr)

First look at the example: Copy CodeThe code is as follows: $a = "Alsdflasdf;a"; $b = Var_dump ($a); echo " "; Var_dump ($c); $d =var_dump ($c); echo " "; echo $a; echo " "; Echo $b; echo " "; output:String

1. Accessing the Database methodStorage of the firstUse when saving the table Example: Copy CodeThe code is as follows: $post =new Post; $post->title= ' samplepost '; $post->content= ' content for thesample post '; $post->createtime=time ();/$post->

Copy CodeThe code is as follows: HelloWorld Copy CodeThe code is as follows: $userName = $_post["UserName"]; $password = $_post["password"]; $msg = ""; if ($userName = = "Lowkey" && $password = = "zq19890319")

As for how to configure, there is not much to say, a lot of online.1. The most important method to be used basically is the assign and display methods. 2. Basically the knowledge to be used on the page is the three of the If and foreach and section.

One is: directory_separatorDirectory_separator: Path delimiter, on Linux is '/' on Windows ' \ ' One is: path_separatorPath_separator:include multiple paths to use, under Windows, when you want to include multiple paths, you need to use ";"

If you do not know the encoding format of the string, you can check this character like this: $encode = mb_detect_encoding ($string, Array ("ASCII", ' utf-8′, "gb2312′," GBK ", ' big5′)); Echo $encode; This will tell you what the code is. Subsequent

The index creation process for full-text indexing generally has the following steps:1. Some documents to create the index. 2. Pass the original document to the sub-phrase (tokenizer). 3. Pass the resulting Word element (Token) to the Language

1.ini_get () Get configuration parameters, Ini_set () set Configuration parameters Copy the Code code as follows: echo ini_get (' display_errors '); 1Dynamically modifies php.ini configuration information and fails after script executionIni_set (

/*php extract any attribute from the IMG tag in the image */$str = ' PHP is extracting or changing any of the attributes in the image img Tag '; 1, take the entire picture codePreg_match ('/]*?src\s*=\s* (\ ' |\ ') (. *?) \\1[^>]*?\/?\s*>/i

Addition Copy CodeThe code is as follows: function Jiafa ($a, $b) { for ($i =0; $i { $a + +; } return $a; } echo Jiafa (4,2); Subtraction Copy CodeThe code is as follows: function Jianfa ($a, $b) { $c = 0; while ($b! = $a) { $b + +; $c + +; } Echo