PHP

Is there a video tutorial on the underlying principles of PHP? I was dizzy and hard to understand when I searched for information on the Internet. Are there any similar video tutorials ?, Underlying principle? Few Chinese characters, especially

To discuss why PHP will have both elseif and elseif, which are described in the PHP Manual. I'm curious about why PHP will have both? Elseif is a combination of & nbsp; if & nbsp; and & nbsp; else & nbsp. Like & nbsp; else & nbsp;, it extends & nbsp;

How does PHP verify that the database is connected to mysql_connect? How does PHP verify that the database is connected? For example: $ db & nbsp; = & nbsp; @ mysql_connect ($ SQL ['host'], & nbsp; $ SQL ['user'], & nbsp; $ SQL ['pass']); if & nbsp ;

Php obtains records in the table in the database based on the input start time and end time. what I want to do is a statistics page & nbsp; the query condition is based on the input (js click to select a time) start time & nbsp; end time & nbsp;

New Guy For Help! How can I read A value from A text box and output it in another text box? for example, if there is text box A and B, A button C, enter 1234 in text box A, and click "C, in the text box B, 1234 is displayed. is $ _ POST used for the

Which of the following statements about how to operate mysql in php? & Nbsp; $ cmd & nbsp; = & nbsp; 'update & nbsp; appdata & nbsp; SET & nbsp; sData & nbsp; = "'. $ _ post ["u_content"]. which of the following statements about how to operate mysql

Question about php query in MYsql ?? I want to query the corresponding value based on a specific value in the data. for example, the user value is known and the pwd value is displayed. The code I tested in phpamdin is: $ SQL & nbsp ;=& nbsp; 'Select

Sincerely ask for a custom one. thank you for choosing bonlog from 2012-12-0709: 08 at the end of this post: 21 Edit when input Monday/Tuesday/Wednesday/Thursday/Friday/Saturday/Sunday output 1, 2, 3, 4, 5, 6, 7. in order to facilitate expansion,

Is it wrong to set the cookie in this way? Why is the failure 1.php: & lt ;? Php & nbsp; if ($ _ GET ["action"] = "login") {& nbsp; & nbsp; is there any error in setting cookies? Why not? 1. php: If ($ _ GET ["action"] = "login "){ SetCookie ("lg",

Regular Expression Matching nested div, evaluate PHP implementation ~ The following html string: $ str & nbsp ;=& nbsp; '& lt; div & nbsp; class = "am1" & gt; & nbsp; & nbsp; & lt; div & nbsp; class = "image" & gt; 1111111111 & lt; regular match

PHP inheritance: I wrote a code to test the inheritance relationship. the code is as follows: & lt; html & gt; & lt; body & gt; & lt ;? Phpclass & nbsp; A {public & nbsp; $ pub_A; private & nbsp; $ small issues with PHP inheritance I wrote a code to

[Share] simulate Sina Weibo's automatic login to the original blog address: & nbsp; http://blog.csdn.net/lgg201/article/details/8050606< ;? Php/** & nbsp; * & nbsp; function: & nbsp; simulate Sina Weibo login & nbsp; * & nbsp; purpose: & nbsp;

How can I display the Echo data in a single-choice drop-down mode? For example, add "value =" {$ arr.0.user} "radio and select to the end of the text. I don't know how to tell you this !. Can js be used as far as possible ?, If a view template is

Under what circumstances is a constant defined? Q: Do constants and variables have the same value as memory and stack areas? Why is there a constant? It is always a stored value. it will soon be better to replace it with a variable. Which of the

Php operation configuration mysql is mutually master-slave mysql is configured, but how to use php to configure mysql is mutually master-slave, for example, the code of the two servers is consistent, I didn't even understand how to configure it like

Why is the username format error returned when the conditions are not met? QAQ entry format check & nbsp; the values of each variable are strlen ($ username) = 9result1 = 1 will still run into if and output the username format error. the entire code

How to locate php syntax errors? is there a dedicated compiler? Php is a script interpreted in the background and does not need to be compiled. sometimes, a syntax error occurs in my program... However, the server only displays the error page and

How to use constant equals in smarty? I use {foreach & nbsp; item = nav & nbsp; from = $ navs} {if & nbsp; $ nav. name & nbsp ;==& nbsp; $ crumbname} & lt; li & nbsp; class = "how to use constant equals in smarty current? I use {Foreach item =

Set up a simple website to provide download (3) The website is basically built, but my server is on thinkpad & nbsp; X120e & nbsp; small book, maybe the cause of the machine or something, the download speed is extremely slow, and it cannot be used!

Cookie save login information after login is successful setcookie is a value close the browser into the home page can not read the value solve login cookie save if (empty ($ c) {echo & nbsp; "The user name or password that does not exist is