PHP Tutorials

This chapter is about the array of two composite data types in PHP What an array array is a set of data that organizes a series of data into an actionable whole. Arrays can contain a lot of data, such as scalar arrays, arrays, objects, resources,

In this article we introduce the integration of PHP and Apache, since it is integrated with PHP, then we must first of all to install PHP. Below we will introduce the installation method of PHP. The first step is to download PHP. Download PHP can

what is a string operator? Introduction to String Operators: The function of the string operator is to concatenate two strings to form a new string. We introduced the arithmetic operators in the PHP operators in the previous chapters, and I

This article mainly introduces the DEDECMS modified article tag to tag plus link to remove the tag word limit, the need for friends can refer to the next 1. Add Link to tag: PHP Code copy content to clipboard {dede:tag sort= ' new ' getall= '

Originally I exported to XLSX format, using the $objWriter = Iofactory::createwriter ($objPHPExcel, ' Excel2007 '); Error, tangled in the development environment and test environment are no problem, placed in the production environment Direct 500

Cgridview displays data in tabular form, Cgridview also supports paging and sorting, Cgridview the most basic usage and ListView type, and also by setting data provider, usually cactivedataprovider. Modify the previous example Yii Framework

My device on the 2000 data per second into the database, 2 devices a total of 4,000, when inserted in the program directly with the INSERT statement, the two devices at the same time to insert about a total of about 2,800, data loss about 1200 or so,

This example describes the use of jquery form validation plug-ins in the YII framework. Share to everyone for your reference, as follows: Run as follows: View Layer: Controller (verify Uniqueness): Verify name

The factory class is a class that is designed to create other objects, and factory classes are very important in the practice of polymorphism programming. It allows you to dynamically replace classes, modify configurations, and make your application

1. The relationship between the HTTP protocol and the TCP/IP protocol Long connections and short connections to HTTP are essentially TCP long connections and short connections. HTTP belongs to the Application layer protocol, which uses the TCP

Now there are a lot of pictures to deal with, but found in the CLI mode of a write GD function error, that is, GD related functions are not defined. How do I install the GD library or modify the configuration? ps:cgi mode can be used in the GD

Outside a character class, a backslash immediately follows a number that is greater than 0 (and possibly one number) is a back reference to a capturing group that occurred before the pattern. If the number that follows the backslash is less than 10,

"One, server-side Configuration" Security, PHP code writing is on the one hand, PHP configuration is very critical.We PHP hand-installed, PHP default configuration file in/usr/local/apache2/conf/php.ini, we mostly want to configure the content in

1 Find the character position function: Strpos ($str, Search,[int]): Find the first position of search in $str starting with int; Stripos ($str, search,[int]): function returns the position of the first occurrence of a string in another string. This

Requirements: In the system in the new file is can be implemented automatically numbering. For example, the default file name for a new text file is: New text document. txt, if the file name changes automatically when you continue to create new text

1 second = millisecond = 1000,000 microsecond = 1000,000,000 nanosecond PHP has no default function for milliseconds, but it provides a microtime () function that returns two elements, one for seconds, and one for fractional milliseconds, which

This is a question that is often asked and rightly asked. As a programmer, why should I be considered to know how to develop a Web application? There is no simple answer to this question, and even those educational institutions may not be able to

He took a course in a Web engineer during his postgraduate study. The course was Java servlet+ Tomcat + MySQL to develop a Facebook-like social networking site. The teacher mentioned the frame, saying that the purpose of the frame was to reduce the

Cpu:2 Core, Memory: 8192 MB, Bandwidth 10Mbps Open the website home page hold F5, always refresh and then 502. MySQL is using the extranet, MySQL is not hanging. The other one is 2 cores, the memory is 2048, the bandwidth is 2m. has not used Lnmp,

Eloquent batch update of multiple records (update when present, insert when not present) It is not a batch assignment of multiple fields to a record. Similar BULK INSERT: DB::table('users')->insert(array( array('email' => 'aaa@example.com', 'name'