This article describes how to use Session and Javascript in PHP to implement the file upload progress bar. This article describes the implementation principles and provides complete implementation code, for more information about how to upload files
Web applications often need to provide the ability to upload files. Typical scenes include user avatar upload, photo album upload and so on. When you need to upload a larger file, it is necessary to provide a progress bar showing the progress of the
PS: This article goes from the script homeThe ability to upload files is often required in a Web application. Typical scenarios include user Avatar uploads, photo album uploads, and more. When you need to upload a larger file, it is necessary to
The PHP file Upload progress bar is implemented based on Session and Javascript. If you are using php5.4, you can only implement it through ajax, iframe, or some other methods. if you are using php5.4, we can use session. upload_progress can be
Before PHP 5.4, it was not easy to implement such a progress bar. There are three main methods:1. Use Flash, Java, ActiveX2. Use php apc extension3. Use the HTML5 File APIThe first method relies on third-party browser plug-ins, which are not
If you are using php5.4, you can only implement it through ajax, iframe, or some other methods. If you are using php5.4, we can use session. upload_progress can be used in combination with js to quickly implement a file upload progress bar. If you
If you are using php5.4 before can only be achieved through ajax,iframe or some other means, if you are using php5.4 we can use the session.upload_progress to quickly combine JS implementation file upload progress bar.
Let's take a look at this new
HTML5 vector file Upload progress bar. The HTML5 vector file Upload progress bar is in HTML. in many cases, there are no prompts during File upload. this is a poor experience, the user does not know if there is any HTML5 vector implementation file
HTML5 vector Implementation file upload progress bar
In the HTML, in the process of file upload, a lot of things are not any hint, this experience is very bad, users do not know when the upload, upload succeeded No, so today to introduce the
In the HTML, in the process of file upload, a lot of things are not any hint, this experience is very bad, users do not know when the upload, upload succeeded No, so today to introduce the content is through the HT for Web Vector to implement the
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