PHP Baum mit *

// Version 1
<?php
$max = 7;
for ($x = 0; $x <= $max; $x++) {
  echo "&nbsp;<br>";
  for ($y = $x; $max >= $y; $y++) {
    echo "&nbsp;";
  }

  for ($z = 0; $z <= $x; $z++) {
    echo "*";
  }
}
?>

// Version 2
<?php
$max = 7;

for ($x = 0; $x <= $max; $x++) {
  echo "&nbsp;<br>";

  for ($y = $x; $max >= $y; $y++) {
    echo "&nbsp;&nbsp;";
  }

  for ($z = 0; $z <= 1; $z++) {
    echo "*";
    for ($z = 1; $z <= $x; $z++) {
    echo "**";
    }
  }
}
?>