php append to file
// LOCK_EX will prevent anyone else writing to the file at the same time // PHP_EOL will add linebreak after each line $txt = "data-to-add"; $myfile = file_put_contents('logs.txt', $txt.PHP_EOL , FILE_APPEND | LOCK_EX); // Second option is this $myfile = fopen("logs.txt", "a") or die("Unable to open file!"); $txt = "user id date"; fwrite($myfile, "\n". $txt); fclose($myfile);