Php file upload-sample code for multifile Upload

PHP supports uploading multiple files at the same time and automatically naming their information in the form of arrays. it is actually very easy to implement this function, you only need to use the array submit syntax of multiple selection boxes and check boxes for the file upload fields in the HTML form. Php file upload-sample code for multifile Upload

PHP supports uploading multiple files at the same time and automatically naming their information in the form of arrays. it is actually very easy to implement this function, you only need to use the array submit syntax of multiple selection boxes and check boxes for the file upload fields in the HTML form.

In the previous article "php file upload-move_uploaded_file () function", we introduced the function for uploading files, but introduced the use of this function and single file upload, this chapter describes how to implement multifile Upload!

In the previous article "PHP integrated use of array functions-multifile Upload", we also introduced that in PHP, when the form request submitted by the browser client contains the uploaded file, PHP will temporarily store the uploaded files in the temporary directory, and then store the information of the uploaded files in the global variable $ _ FLIES, so we only need to get the information of the uploaded file through the $ _ FILES array, and then perform corresponding processing operations on it!

The following example has four file Upload domains named u_file []. after submission, the uploaded file information will be saved to $ _ FILES ['U _ file']. most of the FILES are generated as arrays, and the array information is read. the specific instance code is as follows:

    
     
 ";}}?>

The output result is as follows:

Summary:

For file systems, we first introduced the basic operations on files, then learned the basic operations on directories, and then learned the advanced file processing technology, finally, I learned the PHP file upload technology. File systems are an essential part of developing a website. I hope you can understand the key knowledge points of file systems and master common functions. The next topic will be scattered!

The above is the details of PHP file upload-sample code for multifile Upload. For more information, see other related articles in the first PHP community!