<?php


// Write in the same content
file_put_contents("file_append.txt", "Data_write", FILE_APPEND);


$contents = file_get_contents("file_get_content.txt");

echo nl2br($contents);


// File open ==> w = write
$file_open = fopen("file_open.txt", "w");

fwrite($file_open, "Write");

fclose($file_open);