PHP

# to determine whether a location is the left or right part of a Chinese character, or not # return value-1 left 0 not Chinese character 1 right # usage /* $a = ' This is Chinese '; Print Is_chinese ($a, 1); 0 Print Is_chinese ($a, 8); -1 Print

The form check box is the checkbox 1, the Application of checkbox Copy Code code as follows: 2. Because I am transferring an array that is generated in the PHP loop, value is also set to a variable: For ($i =0 $i ?> ">

Executes an external program or an external instruction that enters the command. The return string is only the last line returned after the external program executes, and you can use PassThru () if you need to return the information

$key = "This is supposed to be a secret key!!!"; function keyed ($txt, $encrypt _key) { $encrypt _key = MD5 ($encrypt _key); $ctr = 0; $tmp = ""; for ($i =0; $i { if ($ctr ==strlen ($encrypt _key)) $ctr = 0; $tmp. = substr ($txt, $i, 1) ^ substr

PHP page output, search function in the jump next page, if do not do any processing, will return the original is the second page output data, with JS to the URL plus search conditions, to ensure that the next page when the output is the search data.

Objective believe that many webmaster, bloggers may be most concerned about is nothing more than the inclusion of their own site, under normal circumstances, we can view the space server log files to see what the search engine has crawled our pages,

One, sample verification code Second, PHP Authentication code class, secoder.class.php * @link http://l Abs.yulans.cn/yl_security_secoder * @link Http://wiki.yulans.cn/docs/yl/security/secoder * * Class Yl_security_ Secoder {/** *

PHP get the current page of the previous page URL address, that is, the current page from which page chain received, you can use $_server[' http_referer '], but this source page URL address can be forged and deceived, this article to introduce the

Please note that PassThru is used in this article and may be partially disabled by a virtual master. The code is as follows: Php &1 '); function Getvideoinfo ($file) {$command = sprintf (Ffmpeg_path, $file); Ob_start (); PassThru

ajax.php: untitled document Name: Age: Gender: The ajax_output.php: "; echo "$userage "; echo "$usersex "; $db = new mysqli (' localhost ', ' root ', ' 123456 ', ' test '); if (! $db) { echo connection

First of all, Ajax can not upload files, which misled me for a while, I can't sleep tonight just follow the instructions to do a no refresh upload file Actually, it's a simple principle. Copy Code code as follows:

function Escape ($STR) { Preg_match_all ("/[\x80-\xff].| [\x01-\x7f]+/", $str, $r); $ar = $r [0]; foreach ($ar as $k => $v) { if (Ord ($v [0]) $ar [$k] = Rawurlencode ($v); Else $ar [$k] = "%u". Bin2Hex (Iconv ("GB2312", "UCS-2", $v)); } return join

Copy Code code as follows: Public Function Captcha () { $font _dir = $_server ["Document_root"]. "Your_ttf_file.ttf"; Font Library $img _w = 58; Set Picture width $img _h = 20; Set Picture height $font _size = 11; Font size $angle _l =-10;

shopcar.php Copy Code code as follows: Class Shopcar { Product List Public $productList =array (); /** * * @param the goods that the Unknown_type $product to pass in * @return True there is no such item in the Shopping cart */

These days too busy, continue to serial haha, for half a month to end. The database comes with unsafe input filtering capabilities, but not all databases have it. Currently, only Mysql,sqlite,postgresql,sybase has such a feature, and many

Copy Code code as follows: /* * Created on 2010-10-27 * by QQ542900563 * Copyrights Reserved 2000-2020 * This example demonstrates how to create a picture watermark */ Load two photos separately $im =imagecreatefromjpeg ("liu.jpg");

Copy Code code as follows: /** * @author Seraphim * @copyright 2012 */ $ADMIN = Array ( ' Defaulturl ' => ' yun_qi_img/banner-header.gif ',//hotlinking return address ' Url_1 ' => ' http://www.xx.net/file ', ' Url_2 ' => ' http://www.xx.

/* Goofy 2011-11-29 * image processing: According to the coordinates passed over the parameters, X,y,w,h, followed by the selected x coordinates, y coordinates, W width, h height by the Imagecopy () method to the first step to create a blank image

By the time the dispatch was made (September 25, 2009), PHP was the latest version of 5.3.0, but the 5.3.0 in IIS is fastcgi, and I never got it done on Vista IIS7. Finally I used the old method, ISAPI, selected a version of the previous 5.3, I

Windows Server 2008 is based on the NT6 platform of the new operating system, its hardware performance compared to other NT platforms have a qualitative leap, has begun to spread to the vast number of users, and operations than 2003来 said more