Php image uploading client and server implementation _ PHP Tutorial

Php client and server implementation for uploading images. Php image upload client and server implementation method this article mainly introduces php image upload client and server implementation method, involving php file operation skills, how to upload an image client and a server using php with an image suffix

This article mainly introduces the implementation of php image uploading client and server. it involves php file operation skills, and common methods such as image suffix verification and file rename. it has some reference value, for more information, see

This example describes how to upload images to the client and server in php. Share it with you for your reference. The details are as follows:

Front-end form code

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Backend php code

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// Upload $ upsize here to determine the size of the uploaded file $ Uppath = "/attached/"; // file Upload path // Convert the root directory path If (strpos ($ uppath, "/") = 0) { $ I = 0; $ Thpath = $ _ SERVER ["SCRIPT_NAME"]; $ Thpath = substr ($ thpath, 1, strlen ($ thpath )); While (strripos ($ thpath ,"/")! = False) { $ Thpath = substr ($ thpath, strpos ($ thpath, "/") + 1, strlen ($ thpath )); $ I = ++ $ I; } $ Pp = ""; For ($ j = 0; $ j <$ I; ++ $ j) { $ Pp. = "../"; } $ Uppaths = $ pp. substr ($ uppath, 1, strlen ($ thpath )); } $ Filename = date ("y-m-d "); If (is_dir ($ uppaths. $ filename )! = TRUE) Mkdir ($ uppaths. $ filename, 0777 ); $ F = $ _ FILES ['Pic ']; If ($ f ["type"]! = "Image/gif" & $ f ["type"]! = "Image/pjpeg" & $ f ["type"]! = "Image/jpeg" & $ f ["type"]! = "Image/x-png ") { Echo "script" alert ('only images can be uploaded '); window. close () script "; Return false; } // Obtain the file extension $ Temp_arr = explode (".", $ f ["name"]); $ File_ext = array_pop ($ temp_arr ); $ File_ext = trim ($ file_ext ); $ File_ext = strtolower ($ file_ext ); // New file name $ New_file_name = md5 (date ("YmdHis"). '.'. $ file_ext; Echo $ dest = $ uppaths. $ filename. "/". date ("ymdhis ")."_". $ New_file_name; // Set the file name to the date plus the file name to avoid repeated Upload directories. Echo $ dest1 = $ uppath. $ filename. "/". date ("ymdhis ")."_". $ New_file_name; // Set the file name to the date plus the file name to avoid duplication. $ R = move_uploaded_file ($ f ['tmp _ name'], $ dest ); ?>

I hope this article will help you with php programming.

This article describes how to upload an image client and a server in php. it involves php file operations and image suffix verification...