PHP Tutorials

Must be Chinese, English, special characters can be achieved. Utf-8 Chinese intercept, single byte intercept mode function Cn_substr_utf8 ($str, $length, $append = ' ... ', $start =0) { if (strlen ($STR) Return '; }

Programming Beginners always spend a lot of time learning programming languages, grammar, techniques, and programming tools to use. They thought that if they mastered the technical skills, they would be good programmers. However, the purpose of

/ * Goofy 2011-11-29 * Image processing: According to the coordinates passed over the parameters, X,y,w,h, followed by the selected x-coordinate, y-coordinate, W-width, h-height through the imagecopy () Method copy the region to the blank image

# # Phpzip v1.2 by Sext (sext@neud.net) 2002-11-18 # (CHANGED:2003-03-01) # # makes ZIP archive # # Based on "Zip File Creation Class", uses ZLib # # Class Phpzip { function Zip ($dir,

Multi-Threading using curl, in addition to curl can set the request time, encountered a very slow URL resources, can be determined to give up, so that there is no blocking, in addition to multi-threaded requests, the efficiency should be higher

echo Date ("Ymd", Strtotime ("Now"), "\\n"; echo Date ("Ymd", Strtotime ("1 week Monday")), "\\n"; echo Date ("Ymd", Strtotime ("1 week Sunday")), "\\n"; echo Date ("Ymd", Strtotime ("+0 Week Monday")), "\\n"; echo Date ("Ymd",

Class Ption { private static $original = Array (' = ', ' + ', '/'); private static $later = Array (' o0o0o ', ' o0o0o ', ' oo00o '); function __construct () { } private static function md5 ($

function Mkdirs ($dirname, $mode =0777)//Create directory (directory, [mode]) { if (!is_dir ($dirname)) { Mkdirs ($dirname, $mode); If the directory does not exist, recursive builds return mkdir ($dirname, $mode); }

People know that simple numbers or letter verification code can easily be cracked, but the formula verification code or Chinese character verification code is not easy to be cracked, Therefore, we recommend that you use the verification

Code Description: PHP-based public bike DOT API call code instanceInterface Address: HTTP://WWW.JUHE.CN/DOCS/API/ID/41 // +----------------------------------------------------------------------// | JuhePHP [ NO ZUO NO DIE ]// +----

This paper describes how to upload multiple files in PHP. Share to everyone for your reference. The implementation method is as follows: Define (' ROOT ', ' D:/program files/www/test/'); Class files_tool{ protected

With the thinkphp and the public to provide scanning with parameters of the QR code function to achieve the user login site functions, so as to save the user registration, input account and other cumbersome process, improve the user experience, and

This example describes the use of the PHP list. Share to everyone for your reference. Specific as follows:This article briefly introduces the basic usage of the list of PHP, including the creation, traversal, updating and other operations of the

In this paper, we describe the method of generating a fixed length pure digital encoding in PHP. Share to everyone for your reference. Specific as follows:Many times we need some fixed-length digital coding, such as order number, card number, user

The examples in this article describe how PHP obtains file types and file information. Share to everyone for your reference. The implementation method is as follows: $file = "Php.txt"; Open file, R for read-only mode

Bank Debit Card List Bank Debit Card List $array = Array ( "621098" = "China Postal Savings Bank", "622150" = "China Postal Savings Bank", "622151" = "China Postal Savings Bank", "622181" = "China Postal

Do the site, usually to reduce the image to the appropriate size, JPG image reduction is easier, PNG pictures if the transparent color, in accordance with the way to reduce the JPG, will result in transparent color loss. So how do you handle it to

PHP generates a digital letter verification code picture Header (' content-type:image/png '); $image =imagecreatetruecolor (100, 30); $color =imagecolorallocate ($image, 255, 255, 255); Imagefill ($image,

function Getimageinfo ($img)//$img absolute path for image file { $img _info = getimagesize ($img); Switch ($img _info[2]) { Case 1: $imgtype = "GIF"; Break Case 2: $imgtype = "JPG"; Break Case 3:

Convert full-width numbers to half-width numbers function Getalabnum ($fnum) { $nums = Array ("0", "1", "2", "3", "4", "5", "6", "7", "8", "9"); OSPHP.com.CN $fnums = "0123456789"; for ($i =0; $i $fnum =