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<html>
  <head>
    <title>PHP Test</title>
  </head>
  <body>
    <?php 
    for($i=0; $i < 10; $i++) {
        echo 'Number '.$i."<br>";
    }

  echo "<br>";

for($i=0; $i < 10; ++$i) {
    echo 'Number '.$i."<br>";
}

echo "<br>";
//NESTED LOOPS
$a = 5;
  #row
  for($row=0; $row < $a; $row++) {
    #col
    for($col=0; $col<$row; $col++) {
      echo $col;
    }
    echo "<br>";
  }

  echo "<br>";

for($row=1 ; $row<=$a; $row++) {
  for($col=0; $col<$row; $col++) {
    echo $row;
  }
    echo "<br>";
}

for($one=1; $one<=5; $one++) {
  for($two=1; $two<=$one; $two++) {
    echo "*";
  }
  echo "<br>";
}

echo "<br>";

for($first=1; $first<=5; $first++) {
  for($spc=1; $spc < 5-$first; $spc++) {
    echo "&nbsp;&nbsp;";
  }
  for($sec=1; $sec<=$first; $sec++) {
    echo "*";
  }
  echo "<br>";
}

echo "<br>";

$x = 5;
for ($i = 1; $i <= $x; $i++) { // first loop for rows
  
    for($k=1; $k <= 5-$i; $k++){
      echo "&nbsp;&nbsp;";
    }
    for ($j = 1; $j <= $i; $j++) { // third loop for columns
        echo "*";
    }
    echo"<br/>";
}

?>
  </body>
</html>
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