How can file size limitations be effectively enforced in PHP file uploads?

To enforce file size limitations in PHP file uploads, you can use the `upload_max_filesize` and `post_max_size` directives in your php.ini file to set the maximum file size allowed for uploads. Additionally, you can check the file size in your PHP script before processing the upload to ensure it does not exceed the specified limit. 

// Check if the uploaded file size exceeds the limit
if ($_FILES['file']['size'] > 1000000) {
    echo "File size exceeds the limit of 1MB.";
    exit;
}

// Process the file upload if it meets the size limit
// Your file upload processing code here

Keywords

PHP file uploads file size limitations error handling $_FILES

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