[0] => <?php
[1] =>   header("Content-Type: text/plain; charset=UTF-8");
[2] =>   //自分自身のファイルを読み取る - __FILE__を変更している
[3] =>   $contents = file("175_1.php", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
[4] =>   if($contents !== FALSE) {
[5] =>     foreach($contents as $key => $value) {
[6] =>       echo "[{$key}] => {$value}\n";
[7] =>     }
[8] =>   }
[9] => ?>