PHP

This article mainly introduces a detailed analysis of SQL injection vulnerabilities in earlier versions of the ThinkPHP framework, which is very important for website security! If you need it, you can refer to a bulletin posted on the ThinkPHP

This article describes how to explain htmlspecialchars, strip_tags, and addslashes in PHP. For more information, see htmlspecialchars, strip_tags, and addslashes in PHP, today we will detail the usage of these functions: 1. function strip_tags:

A school application was started in the previous section, which added various features. Weather forecasts are an essential part. I originally wanted to obtain and process the information directly from the China Weather Network. later I found it too

This article mainly introduces PHP and JQueryJcrop to implement image cropping instances. this is a very practical function. For more information, see some websites that have image cropping functions, maybe you will think this function is gorgeous

In the process of learning thinkphp, you need to operate on multiple tables. but in the actual process, you always encounter various problems. therefore, write this article as your learning process, there is no problem with the two table queries,

This article mainly introduces some special situations of get and post. For more information about file upload, see the following problems: Submit the form to a url with parameters (such as res. php? Param = aaa). What is the result? Next we will

This article mainly introduces how to use memcached in php to implement the page anti-refresh function. this is a safe and stable anti-refresh solution. For more information, see add a new requirement, prevent users from refreshing pages frequently.

When a problem occurs in the project, thinkphp needs to automatically assign values to Sessions in the model. after some research, thinkphp is finally implemented. The following is a record, the thinkPHP session-related knowledge is attached. I

To delete an element from an array and use unset directly, how can we fill in the missing element and re-index the array, the following will reveal the unset that can be used directly if you want to delete an element in an array, but what you see

This article mainly introduces the use summary of PHP regular expression replacement functions preg_replace and preg_replace_callback. This article is summarized when writing a template engine to meet a special requirement, if you need a regular

This article describes how to install imagemagick in the PHP image library. this image library has a wide range of application values. For more information about how to install imagemagick in the PHP image library, see this article. Share it with

This article mainly introduces the php user-defined apk installation package method. it is very useful to implement this function through the ZipArchive class, for more information about how to use the php custom apk installation package, see the

This article mainly introduces how to implement the nested loop of data in Thinkphp by category. it is a practical technique applicable to the Association of nested loops, for more information about how to implement nested loops of data in Thinkphp,

This article mainly introduces ThinkPHP query statements and associated query usage, and common query methods in the form of instances, including techniques such as using arrays as query conditions and object methods to query, for more information

This article describes how to disable the Internet in phpmyadmin and involves modifying the configuration file. it is a very practical technique, for more information about how to disable the Internet in phpmyadmin, see the following example. Share

This article mainly introduces the usage of several predefined variables $ _ SERVER in php. the instance summarizes common usage of the predefined variable $ _ SERVER on the SERVER, you can refer to the examples in this article to summarize the

This article mainly introduces PHP's method of using curl to simulate users' login to Sina Weibo, and analyzes in detail the principle and method of curl imitating users' login to Sina Weibo, which is a very practical technique, for more information

This article mainly introduces the solution of file_exists () in PHP to judge invalid Chinese file names. it is a problem that many PHP developers will encounter, mainly involving encoding conversion, for more information about how to use

This article mainly introduces the var_export function of the output file in php format, describes the features and specific usage of the format output function var_export in the form of an instance, and has some reference value, for more

This article mainly introduces the common methods for PHP to check whether the string is UTF-8 encoded. it lists four examples to implement this function from different perspectives. it is a very practical technique, it has some learning reference