How can PHP developers ensure that file upload limits are enforced correctly in their applications?

To ensure that file upload limits are enforced correctly in PHP applications, developers can set the appropriate configuration values in php.ini file such as upload_max_filesize and post_max_size. Additionally, developers can check the file size before processing the upload and handle any errors that may occur due to exceeding the limits. 

// Check if the uploaded file size is within the limit
if ($_SERVER['CONTENT_LENGTH'] > (int)ini_get('post_max_size')) {
    // Handle error - file size exceeds limit
    die('File size exceeds limit');
}

// Process file upload
// Add your code to handle file upload here

Keywords

PHP file upload limits enforcement applications

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