Alphabet Triangle Pattern

Some different alphabet triangle patterns using range() function in PHP are shown below.

Pattern 1

<?php
$alpha = range('A', 'Z');
for($i=0; $i<5; $i++){ 
  for($j=5; $j>$i; $j--){
    echo $alpha[$i];
    }
    echo "<br>";
}
?>

Output:

Pattern 2

<?php
$alpha = range('A', 'Z');
for($i=0; $i<5; $i++){ 
  for($j=0; $j<=$i; $j++){
    echo $alpha[$i];
    }
    echo "<br>";
}
?>

Output:

Pattern 3

<?php
$alpha = range('A', 'Z');
for($i=0; $i<5; $i++){ 
  for($j=0; $j<=$i; $j++){
    echo $alpha[$j];
    }
    echo "<br>";
}
?>

Output:

Pattern 4

<?php
$alpha = range('A', 'Z');
for($i=0; $i<5; $i++){ 
  for($j=4; $j>=$i; $j--){
    echo $alpha[$j];
    }
    echo "<br>";
}
?>

Output:

Pattern 5

<?php
$alpha = range('A', 'Z');
for ($i=5; $i>=1; $i--) {  
  for($j=0; $j<=$i; $j++) {  
     echo '�';  
  }
  $j--;
for ($k=0; $k<=(5-$j); $k++) {  
    echo $alpha[$k]; 
}  
echo "<br>\n";
}
?>

Output:

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Alphabet Triangle Pattern

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