dflima/staircase.php

## staircase.php
<?php

$handle = fopen ("php://stdin","r");
fscanf($handle,"%d",$n);

for ($i = 1; $i <= $n; $i++) {
    print str_repeat(' ', $n-$i);
    print str_repeat('#', $i);
    print PHP_EOL;
}
	<?php

	$handle = fopen ("php://stdin","r");
	fscanf($handle,"%d",$n);

	for ($i = 1; $i <= $n; $i++) {
	print str_repeat(' ', $n-$i);
	print str_repeat('#', $i);
	print PHP_EOL;
	}