PHP Alphabet Triangle Program

by Online Tutorials Library July 22, 2022

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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