PHP

On the PHP's _ set () and _ get () networks, the two functions are used for private variables. Isn't this against class encapsulation? Why is $ this-& gt; $ varName sometimes used ??? If you have time, let me know where my code is wrong: & lt ;? PHP

How to process the string into an array? & quot; {SUCESS = [ttt, 111], ERROR = [rrr, ggg, vd]} & quot; the following array is processed as an array (& nbsp; 'sucess '= & gt; array (& nbsp; string is processed as an array Ask the Bulls how to

Currently, I have encountered A problem about the sorting of query results in php. first, table A queries the detailed results of A batch of products, but you need to sort these results again, the sorting is based on the condition in Table B that if

Why can't I generate images for $ x, $ y, and $ z read from the database? & lt ;? Phprequire (& quot ;.. /Comm/Conn. php & quot;); // read data from the database & nbsp; $ result = mysqli_query ($ mysql, & quot; select $ x, $ y, read from the

On the server, I log on to the server and write the session successfully, but refresh it, and the session will be lost locally. Have you ever met? Oh, on the server, I log on to the server and write the session successfully, but refresh it, and the

Zendstudio copies and pastes the card to death. I recently developed php. I heard that zendstudio is good, and I just got the latest version. it has been more than half a month since development, and everything else has gone smoothly, however, when

How to implement this program I want to create two methods in a class, such as PHPcodeclassren {publicfunctionlisting () {// code} publicfunctionlisting ($ dd) how can this program be implemented? I want to create two methods in a class, such PHP

The background permission design idea or DEMO is to create a background management permission, which is not divided by roles, but by nodes, that is, to grant permissions to every legal party or event. Please give me some ideas ., What is a node ?,

How does php determine the number of bytes occupied by a word. Some new words seem to have been added in win7. The number of bytes is 4 bits. How to determine whether such a Chinese character exists in a string. For example, "abc Me @ me" & nbsp; @

About the $ url =$ _ SERVER [& quot; REQUEST_URI & quot;] problem a few days ago $ url = $ _ SERVER [& quot; REQUEST_URI & quot;]; the url value can also be returned normally, for example (about. php? Cid = 44) you can obtain all the information

Php has more than 100 concurrent online users, and the website starts to open slowly. During Baidu promotion, when the number of online users reached more than 100, the website began to enter, or it was very slow. However, when I went to the server,

Mysql statement idparent_idnum101215314402543 Id parent_id num 1 0 1 2 1 5 3 1 4 4 0 2 5 4 3 I want to query the value of parent_id = 0, and parent_id corresponds to the sum (num) of the id; It is not only parent_id = 0 id = 1, but the value

New thinkPHP users cannot find a user-defined function. I am new to the company's original SB system, forcing me to learn thinkPHP which is disgusting. I found such a PHPcodeif (hasPrivilege (& quot; Re thinkPHP newbie cannot find a UDF in the

How to obtain the value HTML & lt; selectname = & quot; selTest & quot; & gt; & nbsp; & lt; optionvalue = & quot; 1 & quot; in the drop-down menu selection box; & gt; t1 & lt;/option & gt; & nbsp; & lt; o how to obtain the values in the drop-down

How to accurately obtain the number of online users in discuz is not calculated by the number of IP addresses. How to accurately count the number of online users in discuzx2.5 is not calculated based on the number of IP addresses. In addition, the

Php connection access & lt ;? Php $ db = '\ rs \ guest \ guestbook. mdb '; $ conn = newCOM ('adodb. connection '); $ conn-& gt; Open (& quot; DRIVER = {MicrosoftAccessDriver (*. access through mdb php $ Db = '\ rs \ guest \ guestbook. mdb '; $

What is the knowledge of this function in PHP and what is its function? The following function has never been used. First, what is PHP knowledge? File processing? Or binary? Second, note it from the beginning to the end. Why have we used the memory

A public function is used for reference parameters and number of parameters of a php function today. However, some local parameters of this function only need two parameters, and some require three parameters. after analysis, the following code is

When ECshop is installed in php5.4, the StrictStandards solution appears. when ECshop is installed in php5.4, many StrictStandards errors and warnings occur. after searching, the solution has been found. 1. solutions for installing Strict Standards

What can I do if the title of the phpcmsv9 content page cannot be displayed? Note: it is only for the gbk version of phpcmsv9. The title of the content page is not displayed. after repeated checks, this is a bug in phpcms, for the following reasons :