PHP

This article mainly introduces php + highchats to generate dynamic statistical charts. For more information, see The code is as follows: Series :[{ Type: 'pie ', Name: 'Browser share ', Data :[ ['Firefox, 45.0], ['Ie', 26.8], { Name: 'chromi ', Y: 1

This article mainly introduces Thinkphp's multi-condition query method using mongodb database, modified the mongodb driver file to implement composite query and multi-condition query. if you need it, refer to MongoDBThinkPHP. One project uses the

This article mainly introduces the PHPJSON error: CannotuseobjectoftypestdClassasarray solution. if you need it, refer to JSON When php calls json_decode to generate a json object from a string object, if the [] operator is used to retrieve data,

A friend asked me to help me develop a program for collecting news information a few days ago. I took some time to write a PHP version and recorded it as needed. When it comes to collection, it is nothing more than obtaining information remotely->

To Download php files, we need to use the header function to send the relevant information to the client browser, and then use the filesize function to read the file size and perform the download operation. let's take a look at the relevant examples.

This article mainly introduces how PHP can filter external links of site content. it can add the relnofollow function for external links and help SEO construction and avoid unnecessary losses, it is a very practical skill. if you need it, you can

This article mainly introduces the clickcaptcha click verification code instance implemented by php. unlike traditional verification codes, this verification code class is very practical for mobile users to click a location to confirm the

This article mainly introduces the js call method example in smarty, which is a problem frequently encountered in the design of smarty Templates and is very practical, for more information about how to call js in smarty, see the following example.

This article describes how to obtain the host name, protocol, and IP address in php, including functions such as gethostbyaddr, gethostbynamel, getprotobyname, and getprotobynumber, and applications of the $ _ SERVER variable, for more information

This article describes how to use PHP rounding, rounding, and round functions. For more information, see the following example: PHP keeps two decimal places and rounding them The code is as follows: $ N = 0.1265489;Echo sprintf ("%. 2f", $ n); // 0

This article mainly introduces the UTF-8 regular expression how to match Chinese characters, a small partner can refer to determine whether the input content contains illegal characters, please refer to the following code $ Str = "programming"; //

During PHP development, we sometimes encounter forms that are not fixed and need to be dynamically generated during the program running. here we will share a class for PHP to automatically create forms for everyone. php. action = $ action; $

This article mainly introduces how to implement a multi-template website using smarty in php, which enables smarty to dynamically select a template, for more information about how to use smarty in php to implement a multi-template website, see the

In a TV program, there is a lottery draw, which is also called a flip-board lottery. there is a wall on the stage and several large blocks are placed on the wall. the host or the winner opens the corresponding blocks to reveal the winning results.

This article introduces php parameter filtering and php Data filtering, including the basic principles of php Data Submission Filtering and php simple data filtering, if you are interested, let's take a look at the following code to introduce php

This article mainly introduces the thinkPHP model initialization method, and analyzes thinkPHP model initialization and database operation related skills in the form of instances. it has some reference value. if you need ThinkPHP, you can refer to

This article introduces the M method and R method of ThinkPHP functions. The M method is used to instantiate a basic model class, and the R method is used to call the operation method of a controller, if you are interested, follow the small Editor

This article provides a detailed analysis of the use of system command functions in PHP. For more information, see The code is as follows: Function execute ($ cmd ){$ Res = '';If ($ cmd ){If (function_exists ('system ')){@ Ob_start ();@ System (

To solve multiple calls and write a file at the same time, we will use flock to solve some problems, so that only one user can write the file at the same time, while other users are waiting for the queue, below I will introduce the general solution

Log on to discuz directly without activation. test version: discuz! X3, the theory also supports 2.5. let's test it again. The code is as follows: // Open discuz/api/uc. php// Locate the synlogin method (row 1) and locate it.If ($ member =