Q:

Alphabet Triangle Pattern in Php

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robaa
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2022-11-13
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Some different alphabet triangle patterns using range() function in PHP are shown below.

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robaa
2022-11-13
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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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