Found a total of 10000 related content
How to handle File Uploads securely in PHP?
Article Introduction：To safely handle PHP file uploads, you need to verify the source and type, control the file name and path, set server restrictions, and process media files twice. 1. Verify the upload source to prevent CSRF through token and detect the real MIME type through finfo_file using whitelist control; 2. Rename the file to a random string and determine the extension to store it in a non-Web directory according to the detection type; 3. PHP configuration limits the upload size and temporary directory Nginx/Apache prohibits access to the upload directory; 4. The GD library resaves the pictures to clear potential malicious data.
2025-07-08
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847
How to Upload Files Using cURL in PHP?
Article Introduction：Uploading Files with cURL in PHPTo upload a file in PHP using cURL, follow these steps:1. Create a cURL File ObjectFor PHP 5.5 and above, use...
2024-12-31
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1227
How to upload a file in php
Article Introduction：Create an HTML form containing enctype="multipart/form-data" for file upload; 2. Use PHP's $_FILES hyperglobal variable to process upload files; 3. Verify file size and type and set storage path; 4. Save file through move_uploaded_file(); 5. Implement security measures such as file type checking, random naming and limiting upload size to prevent attacks.
2025-08-22
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850
