PHP

Differences between empty and isset in php /** * Isset-check whether the variable is set * If a variable exists, true is returned; otherwise, false is returned. * * Empty-check whether a

Php code for GB2312 and UTF8 encoding conversion Class GB2UTF8 { Var $ gb; // The GB2312 string to be converted Var $ utf8; // The converted UTF8 string Var $ CodeTable; // array of GB2312

Retrieve domain name I am reading the ecmall core file ecmall. php. I can see that this function is clearly written and I will share it with you. Function get_domain (){ /* Protocol */ $ Protocol = (isset ($ _ SERVER [

Php page cache ob functions Function page_init () { $ Url = $ _ SERVER ['request _ URI ']; // suburl. this parameter is generally unique. $ Pageid = md5 ($ url ); $ Dir = str_replace ('/', '

Extensive and profound lunar algorithm /*** Lunar calendar extensive and profound Lunar calendar * original data and algorithm ideas from S & S Lab http://www.focus-2000.com unfortunately the website seems closed * // * calendar month days.

MiniSmarty simple Smarty Simple smarty helps new users understand smarty because of itcast's speech on smarty 2nd and 3 Class MyMiniSmarty { Public $ template_dir = "./templates "; Public $ complie_dir

String splitting UTF-8 (supports Chinese, Japanese, Korean, etc., efficient ,) This code segment is used because mb_substr and mb_strlen are too inefficient. Non-original, the main principle is according to the characteristics of UTF-8

Examples of extracting all links from HTML using jsoup Byte-order mark (BOM) is a unified code character ("Zero width, no broken space") located at the code point U + FEFF "). This character is used to indicate its byte order when it is

[Rao] using Java to manage thousands of Linux servers _ entry The former game company was a great boss and left a lot of original management scripts for his work. Now I want to share with my friends who want to help with O & M by using Java

Comparison of efficiency in generating xml files using php Private function directWriteXml (& $ data ){ $ Xmltext =' '; $ Xmltext. =' '; $ Xmltext. =' ';

Php recursive code for creating and deleting folders /** * Directory generation class: UtilsMakeDir * @ Author yepeng * @ Since 2010.3.18 */ Class UtilsMakeDir { // This directory

Batch change the encoding method in the meta information of HTML files Sometimes, the encoding method of html files is different from that specified in meta information. you can use this code. This program depends on the jsoup and

Irregular two-dimensional array Package com. sjzmlb. test; /** * * @ Author sjzmlb * */ Public class TestArray { Public static void main (String [] args ){

PHP base remainder I want to know what is 21712341byte in K bit, M bit, G bit? This is equivalent to the problem of hexadecimal conversion. However, the hexadecimal value to be converted is 1024. // Obtain the value in the

Calculate the interval between Monday and Friday in a year. // Year $ Year = date ("Y "); $ BeninTime = mktime (0, 0, 0, 1, 1, $ year ); $ EndTime = mktime (0, 0, 0, 1, 1, $ year + 1)-

Import the csdn database password file to mysql Batch import csdn plaintext passwords into mysql databases Set_time_limit (13600); // Set the time $ Conn = mysql_connect ('localhost', 'root', ''); // connect

Multi-content paging Multi-content paging php $ Aa = 'abnormal, soft, or liquid droppings occur in the pigeon house, which is a common problem. it is easy for pigeon owners to discover such droppings, it also indicates a

Php exports data to execl file format Php exports data to execl file format ? Session_start (); $ SQL _excel = ""; If (isset ($ _ SESSION ["excel"]) { $ SQL _excel = $ _ SESSION ["excel"]; } //

Escape javascript code markup function From PHPCMS /** * Escape javascript code markup * * @ Param $ str * @ Return mixed */ Function trim_script ($ str ){ If (is_array ($ str )){ Foreach ($

This article describes the similarity between two strings in detail. Compares the similarity between two strings. Public class Levenshtein {private int compare (String str, String target) {int d [] []; // Matrix int n = str. length (); int m =