PHP Tutorials

This article mainly introduces the implementation of PHP based on object-oriented Mysqli expansion library additions and deletions of the Operation tool class, combined with the case analysis of mysqli additions and deletions to the Operation class

What is static statically variable? The static variable type descriptor is static. Static variables are static storage, where the storage space is a static data area in memory (a storage unit is allocated in a static store), and the data in that

This article mainly introduces PHP function shuffle () take the array of several random elements of the method, combined with the case of the function of the shuffle function, definition, use of methods and related considerations, the need for

PHP-FPM Optimization method PHP-FPM exists in two ways, one is to directly open the specified number of PHP-FPM processes, no longer increase or decrease;The other is to start with a certain number of php-fpm processes, when the request is large,

This article mainly introduces the PHP connection to Oracle database and query data method, in case of the form of a more detailed analysis of PHP operation Oracle database using skills, with a certain reference value, the need for friends can refer

This article mainly introduces the difference and usage of PHP easy to confuse function, the example summarizes such functions as echo and print, include and require,!isset and empty, it is very practical skill, need friend can refer to next This

The MVC pattern is the abbreviation for "Model-view-controller", and the Chinese translates to "mode-view-controller". MVC applications are always made up of these three parts. Event causes the controller to change the model or view, or to change

1.construct () Instantiating an object is called automatically. Call construct when construct and a function that has the class name as the function name are present, and the other is called without a back. The function with the class name as the

WordPress is a blog platform developed using the PHP language that allows users to build their own websites on servers that support PHP and MySQL databases. WordPress can also be used as a content management system (CMS) to use. WordPress is a

Is_file really can replace file_exists use it? The answer is in the negative. Why? The reason is simple, is_file has a cache We can test it with the following code: The code is as follows: When you run the test code, we make sure that the

file_exists-checking whether a file or directory exists DescriptionBOOL File_exists (String $filename) Returns TRUE if the file or directory specified by filename is present, otherwise FALSE. Instance Instance One The output

Common magic Methods are: Tostring () call () AutoLoad () Clone () GET () SET () isset () unset () 1.Tostring () is used to define the output object reference when calling the information that is commonly used to print some objects must have a

Overloading is an implementation of the polymorphism of a class. function overloading means that an identifier is used as multiple function names, and the function can be distinguished by the number of arguments or parameter types of the function,

The date () function formats the local date and time and returns the formatted date string. The following is an example of the parameters of the date () function, as shown in the code below The code is as follows: Format displayed: Year-month-day

can be inObject defines a clone () method in a class to adjust the cloning of an objectBehavior . The code for this method will be executed during the cloning operation. In addition to copying all existing object members to the target object, the

This article mainly introduces the difference between the cookie and session in PHP and the information about the cookie and the session usage summary, very good has the reference value, the need of friends can refer to the next Specifically, the

This article introduces several ways to define arrays in PHP, and friends who need them can refer to the Array arrays The array in PHP is actually an ordered map. A map is a type that associates values to the keys. This type is optimized in many

As you can see in the "Small Talk blog" behind the title of the famous sayings, every refresh will randomly appear a statement, put your favorite words together, often appear in front of you, give you the strength of warmth So how does this random

The Readdir () function returns the file name of the next file in the directory. Returns the entry name (file name) if successful, and FALSE if it fails. Grammar Readdir (Dir_handle); Parameters Description Dir_handle

when PHP implements a breakpoint, it needs to split the large file into smaller files, and then a singleUpload . After the transfer is completed in the merge. Here is the sample code: split.php Split File Script merge.php Merging file scripts A