PHP

Php solves the database garbled problem. If the database uses UTF-8, what encoding is your text? Use mb_convert_encoding or iconv to convert the encoding. The two codes must be consistent to avoid garbled characters. And if the database is using UTF-

Php multi-dimensional array reading method. Php multi-dimensional array reading method for ($ i0; $ icount ($ array); $ I ++) {for ($ j0; $ jcount ($ array [$ I]); $ j ++) {echo $ array [$ j] [userid] ;}} is a multi-dimensional array. Generally, the

This is a simple question about AJAX voting on static pages. I asked a very simple static page AJAX voting question to answer the question about website creation and solution. I first got to know AJAX, and I was puzzled. The page is automatically

The KindEditor editor calls the method. The KindEditor editor calls the method. this editor can be used in any language. it is a pure js editor, however, the default editing method is utf-8. if the edited method is gb2312, the KindEditor editor

Call PDO in another class. There is a classbuild class for calling PDO in another class, and the PDO has been connected to call $ db. I call $ db in the build class, and an error occurred, A query error occurs. I wrote this in the class and called

Remove unnecessary menus from fck. FCKeditor removes unnecessary menus. this is not as elegant as it is. let's take a look at the process of going to the fck menu. FCKeditor removes unnecessary menus. this is not the case. FCKeditor removes

PHP provides a comprehensive solution to the code conversion problem. I recently encountered code conversion problems in writing bbs. After searching for a long time, we can get a perfect solution to completely restore the author's original article.

When I try to use the flag, but $ foo. When a form is sent, it may use image as the submit button, as shown in the following figure: when a user presses any point of a piece, when a form is sent, it may use image as the submit button, as shown

What should I do if I want to directly read the request information header ?. If you use the module method to run PHP, the getallheaders () function can meet your requirements. Therefore, the following program can display the HTTP variable values of

When I run the following script, it will output an error message. what should I do. Functionmyfunc ($ argument) {echo $ argument + 10;} $ variable10; echomyfunc ($ variable). myfunc ($ variable); why? Function myfunc ($ argument ){ Echo $ argument +

Incorrect phpdate read time. Incorrect phpdate read time $ DateTimedate (Y-m-dH: I: s); echo $ DateTime; why is the printed date inconsistent with the system time on my server. I tested it locally. Incorrect php date read time configuration $

How to use regular expressions for tables. Because the Chinese ASCII code has a certain range. Therefore, you can use the following regular expression to represent Chinese characters. ^ [Chr (0xa1)-chr (0xff)] + $ The following is an example: $ str

Css adaptive problem. The answer to a CSS question is that DIV1 and DIV2 are in DIV3. At first, I didn't define DIV2 anything. its width was 100%, which was inside DIV3. DIV2 only defines float: left; then its width is adaptive to ask a CSS question.

PhpUndefinedvariable and Undefinedindex. In the php Tutorial undefinedvariable and undefinedindex, this problem occurs because the variable is undefined. we just need to add a verification such as $ aisset ($ _ get [aa])? $ _ Get [aa]: the variable

Php obtains the server time (solving the eight-hour gap ). Php obtains the server time (solving the eight-hour gap problem). the following three obtain the current time to solve the eight-hour gap problem, add date_default_timezone _ php to get the

Phpsession_cache_limitersession_cache_expire and other functions. Session_cache_limiter () returns the name of the current cache restriction. if cache_limiter is specified, the name of the current cache restriction is changed to a new value. the

Php conversion form textarea line break code. After my test form textarea line break, in windows it is rn, in linux it is n (this is not tested), in addition, in win, r, n have a line break function Table 6-1. escape character sequence meaning n

Convert phphexdec () and dechex () to decimal interchange. The hexdec () function converts hexadecimal to decimal. Syntax hexdec (hex_string) echohexdec (77); output 119 echobr; echohexdec (dechex (43); output 43 echobr; echohexdec (3a); hexdec ()

Php detects the character encoding code. Functionutf8_gb2312 ($ str, $ defaultgb2312) {$ strpreg_replace ([x01-x7f] +, $ str); if (empty ($ str) return $ default; $ pregarray (gb2312 ^ ([xa1-xf7] [xa0-xfe]) + $, positive Function utf8_gb2312 ($

What is the difference between empty and is_null ?. What is the difference between empty and is_null? Boolempty (mixed $ var) if var is a non-empty or non-zero value, empty () returns FALSE. In other words, what are the differences between 0, 0,