PHP Tutorials

What I saw in the handbook was && $x && $y returns True if both $x and $y are true. | or $x | | $y returns True if at least one of the $x and $y is true. But why do I often optimistic that many PHP files, including well-known open source

My is Zend studio9.4, now can not use ctrl+/add a single comment, tried several modifications also not, do you know how to solve it, no it really inconvenient ah, There is nothing like notepad++ inside the double-click to find the same character, in

PHP matches the specified div content, when using PHP to write a collection program, crawling to the Web page data sometimes we only need a small piece of the content of the tag, how can we extract the HTML code, here is a function example, to

Since double quotes can parse a variable, why use a dot-number connection? echo "Logged in as". $_session[' Valid_user ']. "; Why can't you use echo "Loggin in as $_session[' Valid_user ']"; Reply to discussion (solution) Both formats can be

function GetIP () { if (!empty ($_server["Http_client_ip")) { $cip = $_server["Http_client_ip"]; } ElseIf (!empty ($_server["Http_x_forwarded_for")) { $cip = $_server["Http_x_forwarded_for"]; } ElseIf (!empty ($_server["REMOTE_ADDR")) { $cip =

Array creation, initialization ' Boss ', ' 2 ' = ' old Three ', ' 1 ' = ' ' dick '; if (Isset ($arr 3)) {Print_r ($arr 3);}?> Using the value of an array Print array of data Access directly through index '; }?> Through the Foreach

Suppose the PHP site Please select Service class Manufacturing class Advertising category If there are 1 service class records in the database Then the next time you submit the form, hide it. Service classThis one How to do it?

May I ask you God, what is the principle of web crawler? Remember there is a software called Chinese kitchen Knife crawl version, can be used to detect the network backstage, this is the crawler it? Reply to discussion (solution) and evil is a

The LARAVEL5 route supports caching. You need to execute the following command: PHP Artisan Route:cache After execution, report the following error: Route Cache cleared! [Logicexception] Unable to prepare route [/] for serialization. Uses

Now in the template to do a development, the template is the default code as the function name, but I do development need to get get pass the code, these two code produced a conflict, ask the great God how to deal with the advice. Template used is

I saw someone else's cell phone. What is the principle of a token,token when interacting with the client and server side? How to do it? What do I do now with PHP development server-side? Reply to discussion (solution) Token is used to verify

first, class and object Not only in PHP, but in all object-oriented programming languages, classes are abstract, and objects are an instance of a class. All abstractions are: "Extract the Resemblance". In life, a person is a class, pull alike is:

Phpcms get Avatar How to write to the database? Using the QQ login, At present, have access to all QQ login nickname and Avatar, Avatar data saved where? How to write? Reply to discussion (solution) Zhaoji, wait online. I save the

There is a picture of MySQL inside to read out how to read it? Not a path, binary Need an example, the online search for an example too long Reply to discussion (solution) http://blog.csdn.net/haiqiao_2010/article/details/1294684113 's a

array: Indexed array: The array's key is an array of integers, starting with 0. Associative arrays: Arrays whose keys are arrays of strings Indexed array $arr=array (' I ', ' love ', ' I ');//associative array $arr0=array (' apple ' = ' apple ', '

The following code Reply to discussion (solution) No, Smarty's embedded block and template integration are not written in this way.But I don't rule it out, because I don't have to smarty.No matter what the template engine is, you're an

How does the front end pass data to the background? How does the background receive data from the front end? With Json_encode ($A)? How does the background send the data back to the front end? $.post (', {' QNumber ': qnumber},function (data) { },

$result =mysql_query ("select * from user where username= ' $username '"); if ($result) { $row =mysql_fetch_row ($result); if ($row [1]== $password) { Session_Start (); $_session["username"]= $username; } Log in when the user name is written to the

? There is a string to be sentenced, the string can only contain English, Word, the next? and "\",??? How is it?? Formal form,??。 Reply to discussion (solution) /^[\w\\]+$/ /^[\w\\]+$/ Hello, I have adopted?? method, but program?? , MA '

Sometimes, we need to simulate post/get on the server side, that is, in the PHP program to implement the simulation, how to do it? Or, in a PHP program, give you an array, how do you post/get this array to another address? Of course, it's easy to