rename a file in php

To rename a file in PHP, you can use the rename function. The rename function takes two arguments: the current file name (including path) and the new file name (including path). Here's an example:

main.php
// Current file name
$old_name = 'path/to/current_file.txt';

// New file name
$new_name = 'path/to/new_file.txt';

// Rename the file
if (rename($old_name, $new_name)) {
    echo "File renamed successfully.";
} else {
    echo "File renaming failed.";
}
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In the above example, we first define the current file name and the new file name. We then use the rename function to rename the file. This function returns a boolean value (true if the file was renamed successfully and false otherwise), so we use an if/else statement to check if the renaming was successful and display an appropriate message.

Make sure that you have the appropriate permissions to rename the file.