PHP Tutorials

This article mainly share with you thinkphp to achieve file upload and file download, combined with graphics and code, hope to help everyone. File upload (the key is the path) 1. Write an upload method 2. Write the code inside (set the

Now the use of CSS for many users is also more important, the use of the picture can be very good stretch, without leaving traces, this article to share is about the CSS background image stretching to 100% full screen display how to set up, there is

This article is mainly to share with you PHP getcwd (), __dir__, the role of __file__ and differences in detail, I hope to help everyone. PHP commonly used to get the file directory is as follows GETCWD (): Displays the directory in which the file

This time, we'll bring you a PHP custom two-dimensional array sort function array,php custom two-dimensional array sorting function what are the considerations for array, here is the actual case, take a look. This article mainly introduces the PHP

This article is mainly to share with you the PHP callback function type delivery method, we here through the Array_map () function to test, hope to help everyone. Mode 1, global function function foo ($val) {return intval ($val) +1;} $arr = Array ('

This article mainly and everyone to share PHP code to achieve database timing backup and restore, the main combination of text and code and the way you share, hope to help everyone. Ignore_user_abort ();//switch off the browser, PHP script can

This article is mainly to share with you php-fpm how to configure the file, hope to help everyone. First part: FPM configuration Parameters | Description -P | Dynamic modification of--prefix on the command line ; include=etc/fpm.d/*.conf | Used to

This article introduces the simple usage of opcode cache in PHP, and share it with you for reference. 1. What is opcode After the interpreter parses the code, generates an intermediate code that can be run directly, called the opcode, opcode 2. The

this time to everyone to summarize the new characteristics of PHP7, the following is the actual case, together with the footsteps of small series to see. PHP7 new Features Scalar type declaration (requires that the parameter is a specific type,

This article is mainly to share with you the PHP array processing functions in detail, I hope to help everyone. Since the array is composed of two parts: the key value and the element value, there are many functions that operate on the key values

PHP server to interact with the client, providing open APIs, usually need to encrypt the sensitive part of the API data transmission, the RSA asymmetric encryption can be used, the following example shows how to use PHP to achieve the encryption and

This article introduces the use of PHP ckeditor online editor, interested in the small partners can refer to this article. CKEditor is an online editor that can be used for text editing boxes such as blogs, news releases, etc., making it easy for

This article mainly share with you some basic knowledge of PHP, PHP variables and data types to explain, I hope to help everyone. 1. What is a variable The variable is the equivalent of a pocket that can store things inside.In programming languages,

This article mainly share with you the PHP implementation directly generated Excel documents, mainly in the form of code and we share, hope to help everyone. Excel Class Source code: Class excel{ function __construct ($filename) { header

Generally we iterate over a set of data, we need to create a data, if the array is large, it will consume a lot of performance, and even cause low memory throw error Like what: Fatal error:allowed memory size of 134217728 bytes exhausted (tried to

This time to you to create a complex (inclined, sinusoidal interference line, sticky, rotational inspection) card code, generate intricate (tilt, sinusoidal interference line, sticky, rotation test) The notes of the Code, the following is the actual

This time, we'll bring you how to reset the array to a numeric index, resetting the array to a digital index of considerations, here is the actual case, take a look. For example, a PHP array like this: $arr = Array ( 1 = ' Apple ', 3 = ' banana

PHP garbage Collection mechanism summary can be summed up as a reference count write copy cow mechanism, this article mainly share with you to master the knowledge of PHP garbage collection mechanism, hope to help everyone. Reference counting

sometimes because of work, their own needs, we will go to browse different sites to get the data we need, so the crawler came into being, below is my development of a simple crawler after and encountered problems. To develop a crawler, first you

For developers, regular expressions are a useful feature that provides strings for finding, matching, replacing sentences, words, or other formats. This article mainly introduces 15 super-practical PHP regular expressions, the need for friends can