learn php codecademy

Purpose of study: matters needing attention Because I was first to learn ASP, so do PHP when you will find that many places need to adapt. 1, pay attention not to miss the semicolon2, pay attention not to miss the variable before the $3, use the time of session to pay attention not to omit session_start (); If an error occurs, you can use the following methods:1, if it is an error in the SQL statement, t

name.• Pass variables between pages. The browser does not save any variable information on the current page, and all variable information on the page disappears when the page is closed. If the user declares a variable id=8, to pass the variable to another page, you can save the variable ID as a cookie and then fetch the value of the variable by reading the cookie on the next page.• Store the viewed Internet pages in a cookie Temp folder, which can improve the speed of browsing later. Creating

How difficult PHP is to use and learn. PHP is not a complicated and advanced technology. at the same time, you should not expect to become an expert within five minutes. For new users, the biggest unsuitable reason is that the fault tolerance of PHP is much lower than that of the browser for HTML. If an end tag is miss

Many students are asking PHP is not the best language, has been the biggest programmer "controversy", but undoubtedly, PHP is definitely the most promising and powerful to become a language, but also you get started the most worthy of learning language, take you to understand the advantages of PHP employment?Learn

One post learn PHPSystem length 32678 bytes, remove punctuation, also can play 10,000 words, if write full, that is not short. In the spirit, perverted simple, smooth in the end of the MJJ for the vast number of impetuous to browse the principle, I try to streamline the effective practical way to explain PHP learning. This article is suitable for audiences:Skilled in HTML, but not in the dynamic language su

Recently, their own use of vacation time to learn PHP, perhaps we do not know what PHP is? PHP is a web-embedded language, just like asp,jsp, which should be the easiest language to learn in programming. A few years ago, when I was on the Yeda, the only programming language

PHP framework for many novice may find it difficult to climb, in fact, as long as you know a framework of the process, understand the principle, basic similar framework can be understood, the real development of PHP framework from the PHP5 began, actually PHP4 times there are some framework, But because the framework does not bring you more convenient and feel very complex, speed is not pure

Speaking of how to learn PHP well, as a novice php, I do not have much to learn from the experience to share. But the things in the world are all connected, know some how to do things well, a little transformation used in learning PHP, is also effective. You, don't you belie

Foreplay part: I. Summary of php in one sentence: Php is used for web applications, which is suitable for websites. The famous wordpress is developed by php. Do not use php for applications other than the Web. Some key words involved in this article: High: Abbreviation of high-end atmosphere. Internet is too busy, and

I really want to learn PHP well, but my conditions are limited. It is facing the pressure of employment. Very limited time and effort. How to Use the PHP framework? I posted a post in the CSDN forum to ask a question about "which PHP framework of the PHP framework does not n

Please recommend a book to learn PHP classic! There are points for the comer! Must be classic! ------Solution-------------------- PHP manual +google ------Solution-------------------- PHP and MySQL Web development third edition ------Solution-------------------- PHP and MyS

From silently to others ask how to learn PHP began, to a lot of people again to ask silently how to learn PHP, regardless of silently is novice, or veteran, it seems always feel can not touch a clear vein, however, since learned the PHP, then I go this road more or less has

I also want to learn Python. I also want to learn Python. Reply content: personal opinion: No matter what language you want to learn, if C learns well, it will be of great help to you, Therefore, it is very correct for universities to take C as an inspiration. I have learned a lot about PHP. After two or three years

Php Chinese network (www.php.cn) provides the most comprehensive basic tutorial on programming technology, introducing HTML, CSS, Javascript, Python, Java, Ruby, C, PHP, basic knowledge of MySQL and other programming languages. At the same time, this site also provides a large number of online instances, through which you can better learn programming... Reply con

understand their rights.3: Part of the above answer is excerpted fromhttps://segmentfault.com/q/1010000008329419 protected　　be protected method, which is not allowed to be accessed after direct instantiation, can be accessed by subclasses and can be used in classes. It's used quite like private, and the difference is that he can inherit.Or take the factory example, your patent before is set to private, but as your factory slowly become larger, with a factory, your patent does not for the factor

for the path8, DirName () basename ()1) dirname () returns the directory part of the path2) basename () returns the file part of the path9, Fileatime () filemtime () filectime () Touch ()1) fileatime () Gets the last access time of the file2) Filemtime () Gets the modified time of the file3) Filectime () Gets the modified time of the file4) Touch () set the file access and modification times10, mkdir () unlink () rmdir ()1) mkdir (path,0777,true) Create file 2) unlink (file) Delete files3) rmdi

["Query_string"]. " echo $_server[' Http_referer ']. " Get the full URL Echo ' http://' $_server[' http_host '].$_server[' Request_uri ']; Echo ' http://'. $_server[' http_host '].$_server[' php_self ']. $_server[' query_string '; #http://localhost/blog/testurl.php?id=5 Echo ' http://'. $_server[' server_name ', '. '. $_server["Server_port"].$_server["Request_uri"]; Full url#http://localhost:80/blog/testurl.php?id=5 with port number $url = ' http://' $_se

Learning objectives: Learn to build a database In ASP, if you are an Access database you can directly open access to edit the MDB file, if it is SQL Server you can open Enterprise Manager to edit the SQL Server database, but in PHP, my SQL command line editing may make beginners feel very troublesome, It does not matter, you download a phpMyAdmin installation, after the establishment of the editing databas

Learning Purpose: Learn to add delete modify datamysql_query ($exec);Single This statement can perform all the operations, the difference is $exec this SQL statement Add: $exec = INSERT INTO tablename (ITEM1,ITEM2) VALUES ('. $_post[' item1 ']. "', ' $_post[' item1 ']." Delete: $exec = "Delete from tablename where ..."; Modified: $exec = "UPDATE tablename set item1= '". $_post[' item1 '. "' Where ... '; Speaking of which, we'll talk about forms an

The problem is this, some case to give: Http://jb51.net?a=1 This type of URL address append parameter changes to: http://jb51.net?a=1b=2 But how do you know that you already have the same parameter name, for example: http://jb51.net?a=1a=2 This is not a big mistake, but the address bar looks bad. What about it? With the regular solution bar (originally I want to use PHP string processing solution, but later felt to