What are the advantages and disadvantages of using the filectime function in PHP to append a timestamp to uploaded files?

When using the filectime function in PHP to append a timestamp to uploaded files, the advantage is that it provides a way to easily track when the file was created or last changed. However, the disadvantage is that the filectime function may not accurately reflect when the file was actually uploaded, as it can be affected by various factors such as server settings or file system limitations. 

$targetDir = "uploads/";
$timestamp = time();
$fileName = $_FILES["file"]["name"];
$targetFile = $targetDir . $timestamp . '_' . $fileName;

if (move_uploaded_file($_FILES["file"]["tmp_name"], $targetFile)) {
    echo "File uploaded successfully.";
} else {
    echo "Error uploading file.";
}

Keywords

filectime timestamp uploaded files advantages disadvantages

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