PHP Tutorials

What is the inheritance of a class? Frankly speaking, I think it is to improve the efficiency of the Code. I will introduce you to the following inheritance. Inheritance Concepts for classes Subclasses inherit all the member variables of the parent

Test Centers: Understanding of functions fopen: Open file or URL Parameter 1: File address or URL parameter The 2:mode parameter specifies the type of access required to the stream ' r ' read-only open, pointing the file pointer to the file

Object initialization To create a new object, instantiate a class using the new statement: do_foo (); > Convert to Object If you convert an object to an object, it will not change. If any other type of value is converted to an object, an

A string of strings consists of a series of characters, each of which is equal to one byte. This means that PHP can only support a 256 character set and therefore does not support Unicode. See detailed string types. The note:string can reach 2GB

detailed description of PHP parameters [Root@lnmp01 tools]# Tar XF php-5.3.27.tar.gz decompression Pack [root@lnmp01 tools]# cd php-5.3.27 into the PHP installation directory./configure compilation Parameters –prefix=/ APPLICATION/PHP5.3.27

PHP file Processing-read files (one character, string) Reading a file can not only read the entire file, but also not only read a row of data, but also read a character, can read a string of a specified length! In the previous article, "PHP file

Memcache Defined Memcache is a set of distributed cache systemsCurrently used by many Web sites to improve the speed of website access, especially for some large Work flow 1. First check whether the data accessed by the client is memcache, and if

In front of you to explain a multi-choice ElseIf statement, although this statement can make a variety of judgments, but when used, need to write a lot of if statements, to our program readability inconvenience, in order to avoid the IF statement

The action of the IF statement In all programming languages, such as the C language. Java, and so on, there are if statements exist, of course, including PHP. The action of the IF statement is to execute a different code fragment according to the

Some time ago, the company's project from http://www.php.cn/"target=" _blank ">php5.3 upgrade to PHP7, now the project began to use some of the new PHP7 syntax and features. The 5.4, 5.5, and 5.6 versions of PHP have a somewhat cognitive sense of

The PHP code gets the value of the radio button in the form: (The radio button lets us select only one, there is a "checked" property, which is used by default, which is the default value each time we refresh our page.) ） Cases: Gender: male

This paper describes the method of Php+js to realize the multi-point labeling of Baidu map. Share to everyone for your reference, as follows: 1.php Creating JSON data $products = $this->product_db->select ($where), $products _json = Json_encode

Maybe we seldom use this piece of knowledge in our daily work, but I still like to find out the unknown knowledge. class method rewrite rules for PHP 1. The final modified class method cannot be overridden by a quilt class The final decorated class

When doing a project, the design of front-end separation is adopted, and the rest-style HTTP interface is designed to meet the background service call and the front-end to use the AJAX call directly. , then encountered a cross-domain problem, the

In PHP we will often encounter a number of errors to deal with, I would like to summarize in PHP exception handling, error reporting, some summary of the log content and introduction. Error handling: 1. Syntax errors 2. Run-time error 3. Logic

Now I want to write the code with these two tools, but there are some problems. 1.netbeans and Sublime don't seem to be able to implement dual views, like notepad++ Is there any way I can get them to implement double view?2.sublime Text 2

Phpcms Weibo login, do not register two times, there is a session outdated, The idea is that after the microblog login, the user nickname is written directly to the database, It is then executed again to determine if it has been registered, but

When writing PHP program, need to deal with the data is relatively large when the "allowed memory size of xxx bytes" This issue, For this problem is usually to modify the configuration in the php.ini, that is a very effective method, but there is no

How do I get the current operating system type using PHP? Strictly speaking there are two cases, one is to obtain the server-side operating system type, one is to obtain the client's operating system type. The following authors will do some

Just made an open source network disk, based on PHP MySQL, support Fastdfs file system function is also very full, interested in the end Feature List:Multi-File Upload, file breakpoint continuation, second pass, upload progress barFile download,