PHP Tutorials

PHP is well known as an interpreted language, and its execution can be divided into the following processes: Scanning (lexing), converting the PHP code to a language fragment (Tokens) parsing, converting tokens into simple and meaningful

Memo: Windows is easy to use with Phpstudy, but its default PHP versions are all 32-bit , with pits, such as int max. So from the PHP official dot click to open the link http://windows.php.net/download#php-7.0-nts-VC14-x64, download a 64-bit

There are two ways to play a game of guessing: The first kind: Two people play, one side out of numbers, the other side guess. Figure out the number of people to think of a given digit number, the number can be repeated, can not let the guessing

Because the extension means that it is used by third-party developers, some extra effort is needed to create it. The following are some general guidelines: * Extension is best self-sufficiency. In other words, its external dependencies should be

Safe Mode The purpose of the PHP safe_mode option is to resolve some of the issues described in this chapter. However, it is architecturally incorrect to address such issues at the PHP level, as described in the PHP Manual

Data Access Objects (DAO) provide a common API for accessing data stored in different database management systems (DBMS). Therefore, when you replace the underlying DBMS with another, you do not need to modify the code that uses DAO to access the

Cmultifileupload is used for uploading files and uploading multiple files at once. This UI component is based on the jquery Multi File Upload plugin. Many of the UI components built into Yii are based on jquery, so you need to create a assets

Common web attacks fall into two categories: one is to exploit the vulnerabilities of Web servers, such as CGI buffer overflow, directory traversal exploits and so on, and the other is to exploit the security vulnerabilities of Web pages, such as

A global variable in PHP must be declared as global when used in a function (the keyword Global is defined in a function to be useful). The role of global is to define globals, but this global variable is not applied to the entire site, but to the

Yii is a high-performance, component-based PHP framework for rapid development of large WEB applications. It maximizes reusability in web development and can significantly improve the speed of your Web application development. The name Yii (read as

This article mainly describes how to open the PHP gd2 Library step method. Have a good reference value, follow the small series together to see it First step: Find PHP.ini Usually, this file is in the PHP installation directory, if you forget the

This article mainly introduces the Php+ajax no refresh with progress bar image Upload example, a detailed collation of PHP without refreshing upload pictures, and to bring the code of the progress bar, there is a need to understand. Project

The example in this article describes a method that matches a set of characters in a regular expression tutorial. Share to everyone for your reference, as follows: Note: In all examples, the expression match results are included in the source text

One: Recursive implementation Using the formula F[n]=f[n-1]+f[n-2], recursive calculation in turn, the recursive end condition is f[1]=1,f[2]=1. Two: Array implementation Spatial complexity and time complexity are all 0 (n), which is more efficient

PHP String functions include finding character position functions, extracting sub-character functions, replacing strings, character lengths, comparing character functions, dividing the array of characters, removing spaces, and so on. String

Cjuidatepicker is used for date input, which encapsulates the Jui DatePicker plug-in with the following basic usage: errorsummary ($model),?> widget (' Zii.widgets.jui.CJuiDatePicker ', Array ( ' name ' = ' my_date ', ' language ' = ' en ',

This article describes the PHP full-featured non-deformable picture clipping operation class and usage. Share to everyone for your reference, as follows: If you need to crop the picture, or generate thumbnails, this is basically no problem, all the

Description In Laravel to run a set of operations in a database transaction, you can use the transaction method in db facade. If an exception is thrown within the closure of a transaction, the transaction is automatically restored. If the closure

Many parts of phpinfo () have two column:local value and master value 1. Master value is the content in the php.ini file. 2.Local value is a setting in the current directory that overrides the corresponding value in master value The settings in

PHP Multi-File Upload download sample code index_uploads index_uploads.php "; Print_r ($_files); echo ""; $count = count ($_files['