05. Arrow PHP

<?php
$n = intval(readline());
$width = $n+5;
echo str_repeat("_",($width-1)/2 )."^".str_repeat("_",($width-1)/2 ). "\n";
echo str_repeat("_", ($width-3)/2) . "/|\\" . str_repeat("_", ($width-3)/2) . "\n";
for($i=0; $i < (floor($n/2));$i++){
     $dash = str_repeat("_",floor($n/2)-$i);
     $dots = str_repeat(".",$i );
    echo $dash."/".$dots."|||".$dots."\\".$dash."\n";
}
echo str_repeat("_",floor($width-9)/2)."/..|||..\\".str_repeat("_",floor($width-9)/2)."\n";
echo str_repeat("_",floor($width-7)/2)."/.|||.\\".str_repeat("_",floor($width-7)/2)."\n";

for($i=1; $i <= $n;$i++){
    $dash = str_repeat("_",floor($width-3)/2);
    echo $dash."|||".$dash."\n";
}
$dash = str_repeat("_",floor($width-3)/2);
echo $dash."~~~".$dash."\n";

for ($i=0; $i < floor($n/2);$i++){
    $dash = str_repeat("_",floor($n/2)-$i);
    $dots = str_repeat(".",$i );
    echo $dash."//".$dots."!".$dots."\\\\".$dash."\n";
}