Discuss whether to use fetch or view in ThinkPHP

With the development of the PHP framework, many developers have higher requirements for resource calls. When using the ThinkPHP framework, developers often hesitate between view and fetch. This article will discuss whether fetch or view should be used in ThinkPHP from three aspects: usage scenarios, performance and security.

1. Usage scenarios

Fetch and View are both methods of obtaining template files and parsing them in the ThinkPHP framework, but there are some differences in usage scenarios. This mainly depends on the display form of the page. If the page display form is relatively simple, just some simple HTML tags, then it is more convenient to use View; and if the page display form is more complex, you need to use JavaScript or CSS and other dynamic expression methods, or you need For data interaction or asynchronous loading of data, Fetch is more appropriate.

2. Performance comparison

In terms of performance, Fetch is faster than View. This is because Fetch only needs to load the required content, while View requires the entire page to be reloaded. In addition, Fetch supports caching, which can greatly improve website performance, which is also an important advantage of Fetch. Although View also has a caching mechanism, its performance is weaker than Fetch.

3. Security

In terms of security, Fetch and View are relatively close, but because Fetch only returns the specified content, the risk of malicious attacks can be reduced to a certain extent. However, if Fetch contains the eval() function, there will be security risks, so you need to avoid using this function when using Fetch. At the same time, since the use of Fetch requires turning on "Allow URL access", developers need to pay attention to security issues.

Summary:

Based on the above three aspects and personal experience, we can draw the following conclusions:

For the display of simple static pages, you can use View ; For complex pages or situations that require data interaction or asynchronous loading of data, it is more appropriate to use Fetch.

In addition, for performance and security considerations, Fetch has more advantages. However, you need to pay attention to the security risks in Fetch and the security risks of turning on the "Allow URL access" attribute.

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