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In the development process of the website, we often need to encrypt some data (such as user password), this article mainly introduces several common cryptographic functions of PHP. MD5 Encryption: String MD5 (string $str [, bool $raw _output =

Today in research __call()And __callStatic()When I read the story of bird brother Php calling Scope But did you find that the following code did not get the same results in PHP5.5 and PHP7? test();?> I didn't find PHP7 's instructions for

Require Require and include are almost exactly the same, in addition to handling failures differently. Require generates an E_COMPILE_ERROR level error when an error occurs, in other words, causes the script to abort and the include only generates a

This article mainly describes how to generate PSD file thumbnails using PHP, mainly using Imagick. This article explains the installation of ImageMagick, installation of Imagick, check the success of the installation, generated PSD file thumbnails

Computer programming always encounter the problem of the accuracy of floating-point arithmetic, this article through PHP to solve the problem of inaccurate floating-point arithmetic sharing, I hope that we solve the floating-point arithmetic

: This article mainly introduces Laravel Study Notes 1. for more information about PHP tutorials, see. 1. create a file Php artisan generate: seed page Create an app/database/seeds/PageTableSeeder. php file. Php artisan generate: model

As we all know, the PHP strip_tags () function is used to filter out the HTML, PHP, XML tags in the string, the function can only keep the desired HTML tags, but not to filter out the specified HTML tags, then how to implement filtering out the

To introduce the Phar file concept and usage of PHP development, we know that a PHP application is often composed of multiple files, it is very convenient to centralize them as a file for distribution and operation, but there are many examples, but

: This article mainly introduces the php file Upload FAQ (basic). If you are interested in the PHP Tutorial, refer to it. Since the previous article "php file name garbled problem for uploading Chinese Files" encountered a file upload problem,

The phpstrip_tags () function is a string function that removes HTML, XML, and PHP tags from strings. Then return the string after the tag is removed. This article collects several articles about the phpstrip_tags () function, hoping to help you

PHP image verification code creation example $ Authnum = ''; $ Ychar = ", A, B, C, D, E, F, G, H, I, J, K, L, M, n, O, P, Q, R, S, T, U, V, W, X, Y, Z "; $ List = explode (",", $ ychar); // delimiter

Php multi-thread webpage capture code sharing This article introduces how to use php to capture web page code with multiple threads. For more information, see.In php, you can use Curl to complete various file transfer operations, such as

PHP + MYSQL dynamic WEB page programming error correction guide in WEB programming, the role of the database has become increasingly important. When talking about databases, PHP has very powerful database support functions. from FileMaker to Oracle,

Phpfile_get_contents function code for capturing page information $ Url = "http://bbs.55bbs.com "; $ Contents = @ file_get_contents ($ url ); // Preg_match_all ("/(.*?) /is ", $ contents, $ content );

The following text: This article mainly introduces the PHP file read and write operation related function Summary, this article summarizes fwrite (), Fread (), fgets (), fgetc (), file (), ReadFile () and other functions of the introduction and use

The following text: This article mainly introduces the PHP file read and write operation related function Summary, this article summarizes fwrite (), Fread (), fgets (), fgetc (), file (), ReadFile () and other functions of the introduction and use

The following text: This article mainly introduces the PHP file read and write operation related function Summary, this article summarizes fwrite (), Fread (), fgets (), fgetc (), file (), ReadFile () and other functions of the introduction and use

The Set_error_handler () function sets the user-defined error-handling function. This function is used to create the user's own error handling method during runtime. The function returns the old error handler and returns null if it fails. Let's look

How the smarty template is executed. To enable separation of the business logic and content presentation page of the program, php introduces the template engine concept, the most popular php template engine is smarty, which introduces the template

Cache usage of the PHP template engine Smarty. 1. to enable and use the smarty cache, set caching to true in the smarty setting parameter and specify cache_dir. Set the cache_lefetime parameter to specify cache 1. Enable and use the smarty cache.