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PHP file upload suffix name and file type comparison table_PHP tutorial

21 Jul 2016

PHP file upload suffix name and file type comparison table. ie Firefox id suffix name File type recognized by php 0 gif image/gif 1 jpg image/jpeg 2 png image/png 3 bmp image/bmp 4 psd application/octet-stream 5 ico image/x-icon 6 rar applicat

How to restore Mac file icons to default settings?

17 Jan 2024

This article will introduce you to how to restore Mac file icons to default. Hope this helps. Please read on. How to restore the folder icon you changed in the Mac system to the system default folder icon? Select the icon you want to restore, right-click, display the introduction, select the folder icon in the upper left corner, and press the delete key to delete it. Follow these steps to restore icons: 1. Open "File Explorer". 2. Select "Desktop" in the list on the left. 3. Find the icon that needs to be restored in the right window and right-click it. 4. Select "Send to" in the pop-up menu, and then select "Desktop (shortcut)". This will restore the icon to the desktop. Use the "Preview" software that comes with the system and double-click to open the picture file you like.

PHP file upload suffix name and file type comparison table, _PHP tutorial

13 Jul 2016

PHP file upload suffix name and file type comparison table. PHP file upload suffix name and file type comparison table, ie Firefox id suffix name, file type recognized by php 0 gif image/gif 1 jpg image/jpeg 2 png image/png 3 bmp image/bmp 4 psd applic

PHP file permission management and security settings

08 Aug 2023

PHP file permissions are one of the important measures to protect file security on the server. Properly setting file permissions can prevent malicious users from modifying, deleting, or executing malicious code on files. Therefore, when developing and deploying PHP applications, file permissions must be correctly set and managed to ensure application security. 1. Basic concepts File permissions are divided into three levels, namely user (Owner), user group (Group) and other users (Other). Each level has three permissions, namely read (Re

Detailed explanation of PHP multi-file upload class and usage examples

27 Jun 2017

1. upFiles.css.php file <?php class UploadFiles{ private $maxsize = '1000000'; //The maximum length of files allowed to be uploaded private $allowtype = array('jpg','png','gif','jpeg ');//Allow upload file types