PHP Tutorials

How to use Laravel Event System to implement login log? This article mainly introduces the use of Laravel event System how to achieve log records of the relevant information, the article introduced in very detailed, for everyone has a certain

How do I call functions dynamically in PHP? This paper mainly introduces the method of dynamic call function in PHP, and analyzes the implementation principle and implementation steps of PHP dynamic function, and hopes to help everyone. The

In general PHP instanceof and is_a () function is the same, the difference is due to PHP version different, some PHP version of the is_a () discarded. In this paper, we will analyze the difference between instanceof and is_a () in PHP. Both the

This paper mainly introduces the use usage of namespace namespace in PHP, and analyzes the definition and usage of namespace in PHP in the form of instance, and needs friends to refer to it. We hope to help you. Specific as follows: Now say this

This article mainly introduced the Yii2 modal window ActiveForm Ajax form verification related data, very good with reference value, the need for friends can refer to. We hope to help you. We will yii2 ActiveForm how to submit a form in an AJAX

The prototype pattern is a creator pattern that is characterized by a "copy" of an existing instance to return a new instance, rather than a new instance. This article will be a prototype model for a detailed example, I hope to help you. Primary

Now the application of QR code is very extensive, some websites will also have the need to generate two-dimensional code. This paper takes TP5 as an example to encapsulate the function of a two-dimensional code generation. 1. Download QR Code

How does PHP achieve image similarity comparison? In this paper, we will use perceptual hashing algorithm to search for similar images. We hope to help you. The advantage of perceptual hashing is that it is simple and fast, not affected by the size

This article mainly summarizes the introduction in Laravel 5.1 PHP artisan Migrate the use of notes, the article introduced in very detailed, the use of PHP artisan migrate has a certain reference learning value, the need for friends below to see it

This article mainly introduced PHP implementation of the PNG image scaling method (support transparent background), PHP for PNG image to achieve the zoom function, and support transparent background, with a certain reference value. We hope to help

This paper mainly introduces the THINKPHP5 integrated Webuploader package into the upload components of the example, to provide you with reference. We hope to help you. Webuploader is a simple HTML5-based, flash-supplemented modern file upload

Normally, PHP will directly output the fatal error, the source of the error (file address, line number) and the reason for output, so that the development can be very convenient to locate the problem. However, sometimes, due to php.ini setup issues,

This article mainly introduces PHP numbers every three comma-plus function function, want to know how to do the numbers every three comma friends can refer to the next. We hope to help you. PHP implementation of digital format, the number of every

In the previous article we introduced the PHP Json_encode () function in detail, and know that he can only be used in php5.2 above version, then today mainly to us a brief introduction of the use of the next json_encode, very simple and practical,

Do projects sometimes get an activity or something, to let users participate, both to attract users to register, but also improve the user activity of the site. At the same time to participate in the user will receive a certain prize, there are 100%

With the rapid development of the Internet, the number of programmers is increasing, now many people have chosen to training institutions to learn PHP. In addition to the current PHP learning site is also very much, online tutorials are always

This article we are going to share with you the use of MongoDB Index, index is like a book directory, if the search for a content in the absence of the help of the directory, can only look through the entire search, which results in a very low

Although has been using Git to do version management, has also used the GIT project deployment, but did not adhere to this habit, recently decided to learn, the following article is mainly about PHP implementation of the method of Git deployment

In PHP, variables are $+ variable names, and variable names follow the naming rules for identifiers, which can be preceded by letters and underscores, and can be made into valid variable names by numbers, underscores, and letters. In this paper, we

Filters are now used in our lives very widely, in the development we will also touch, this article to you to share is the use of ruby implementation of several image filter algorithms, including grayscale, binary, negative, emboss. Very simple and