How can PHP developers troubleshoot and resolve errors related to file uploads on a server?

When troubleshooting file upload errors on a server, PHP developers can check the file upload settings in the php.ini file to ensure that the maximum file size and post size limits are set appropriately. They can also check the file permissions on the upload directory to ensure that the web server has write access. Additionally, developers can use error handling techniques such as try-catch blocks to capture and handle any errors that occur during the file upload process. 

<?php
// Check if file upload is successful
if ($_FILES['file']['error'] === UPLOAD_ERR_OK) {
    // Move the uploaded file to the desired directory
    move_uploaded_file($_FILES['file']['tmp_name'], 'uploads/' . $_FILES['file']['name']);
    echo 'File uploaded successfully!';
} else {
    echo 'File upload failed. Error code: ' . $_FILES['file']['error'];
}
?>

Keywords

PHP file uploads server error handling troubleshooting

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