PHP Crawl page Information code

Using the PHP DOM function to achieve simple single page information crawl, see the following code:Error_reporting (E_error);$pages = file_get_contents (' http://www.php100.com ');$pages = Htmlspecialchars ($pages);$doc = new DOMDocument ();$new

Customizing the PHP paging function

Pagination | functions?? Every time you write a list of pages, you almost always write a section of the page. Recently sunny little finally resolved to once and for all?? Customize a paging function and save it in the "pageft.php" file. To use the

PHP Pagination Display Detailed

1. Preface paging display is a very common way of browsing and displaying large amounts of data, one of the most frequently handled events in Web programming. For the veteran of Web programming, writing this code is as natural as breathing, but for

Use PHP to handle multiple check boxes with the same name

check box if you have more than one check box with the same name in a form, there is only one value when you submit to PHP, not a comma-separated value like an ASP. There is an easy way to fix this: Add the name of the checkbox after [], for example:

PHP number format:php number

formatted numeric functions Number_format and round The Number_format () function formats a number by a thousands group. syntax: Number_format (number,decimals,decimalpoint,separator) parameter Description number is required. The number to

Problems and solutions for extracting strings from CSV format files in PHP

PHP data with CSV format uses the Fgetcsv () function. Use the following statement $hd =fopen (' test.csv ', ' R '); $buf =fgetcsv ($HD, 1000, ', ');Open a file in test.csv format, with the contents of the file separated by the "," number. The

PHP to get high-quality sister map on Baidu

$p =$_get[' P ']; if ($p ==null) $p =1 $page = $p *20; $url = ' http://m.baidu.com/img?tn=bdjsonliulan&pu=sz% 401320_2001&bd_page_type=1&tag1=%e7%be%8e%e5%a5%b3&realword=%e7%be%8e%e5%a5%b3&word=%e7%be%8e% E5%a5%b3&pn= '. $page. ' &rn=20 '; $jsoncode

An example of PHP operating Excel (original)

excel| original This is for those who only like to simply deal with Excel friends Define an Excel file $workbook = "C:/My Documents/test.xls"; $sheet = "Sheet1"; Generate a COM object $ex $ex = new COM ("Excel.Sheet") or Die ("Not even!!! ");

How to learn the eighth day of PHP in 10 days

Learning Purpose: Make a paging displayThe key is to use the limit in the SQL statement to qualify the displayed records from several to several. We need a variable $page that records the current page and a total number of records $numFor $page if

On the syntax of PHP (III.)

The syntax above mentions that PHP submits form information is very convenient. But how long is the life cycle of a variable in a form information that is submitted? This article will come to Queensland to talk about this problem. There is no doubt

PHP Common Regular Expressions

/*Verifying Chinese characters*/function Ishanzi (str) {var reg=/^[\u0391-\uffe5]+$/;return Reg.test (str)}/*validating integers*/function Isinteger (str) {var reg=/^\d+$/;return Reg.test (str)}/*Verifying numbers*/function Isnum (str) {var reg=/^[-\

Code to merge pictures using the PHP shell command

Copy CodeThe code is as follows: #!/usr/local/bin/php-q Author:freemouse Here is the description. Print ("This program is used to merge 2 640x480 sizes. \ n"); Print ("Picture, and convert it to a picture of 400x300 size \ n"); Print ("You need to

PHP design mode Adapter (adapter mode)

Copy CodeThe code is as follows: /** * Adapter Mode * * Convert the interface of a class to another interface that the customer expects, and those classes that are not compatible to work together can work together */ This is the original

ajax+php Paging

ajax| Paging Pagination should be relatively simple. You can return an XML-formatted table to replace the original table. 1, the dynamic deletion of table content tips, do not need to write too much code, a line:Tb.removenode (True) 2, dynamically

Problems needing attention in using Iconv in PHP

String Iconv (String $in _charset, String $out _charset, String $str)When using this function for string encoding conversions, it is necessary to note that if the utf-8 is converted to gb2312, a string truncation may occur.You can resolve this by

How PHP gets the suffix name of the file

substr (STRRCHR (filename, '. '), 1);-------------------------------------STRRCHR get the last appearance. The word that is lit/SUBSTRsubstr ("ABCdef", 1, 3); Return "BCD"Character interception. From 1 to three. Related functionsStrstrReturns the

PHP generates Excel documents

Excel| Build Excel ?Header("Content-type:application/vnd.ms-excel" ); Header("Content-disposition:filename=test.xls" );echo "test1\t" ;echo "test2\t\n" ;echo "test1\t" ;echo "test2\t\n" ;echo "test1\t" ;echo "test2\t\n" ;echo

PHP Analysis RSS Code

Rss     $rdf = parse_url($url);     $fp = fsockopen($rdf['host'], 80, $errno, $errstr, 15);     if (!$fp) {         $content = "Problema!";         return;     }     if ($fp) {         fputs($fp, "GET " . $rdf['path'] . "?" . $rdf['query']

PHP Gets a directory size

Roughly is not know how many levels of directory below the directory, also do not know how many files, the need to count the size of space, this can be used in albums/database occupancy/network u disk programs. The general program idea is to use the

Looking at PHP design pattern from Warcraft

Some time ago to see someone using Warcraft to explain the design pattern, feeling very interesting, so I changed it, and added some design mode content, issued today. Some places borrowed from the predecessors of the content, no note, please

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