the last bit will be:
$x = 1;
print $x.' Green bottles sitting on the wall,<br>
'.$x.' Green bottles sitting on the wall,<br>
and if one green bottle should accidentally fall,<br>
there\'ll be no bottles sitting on the wall .....<br><hr><br>';
the first line:
1 Green bottles sitting on the wall,
$x = 1;
print $x.' Green bottles sitting on the wall,<br>
'.$x.' Green bottles sitting on the wall,<br>
and if one green bottle should accidentally fall,<br>
there\'ll be no bottles sitting on the wall .....<br><hr><br>';
the first line:
1 Green bottles sitting on the wall,