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  1. Identify the code used to generate a diagonal matrix, which has 0s and 1s. 
  2.  
  3. Select one:
  4.  
  5. <?php
  6.     for($c=1,$a=1;$a<=3;$a++) {
  7.     for($b=1;$b<=3;$b++) {
  8.     if($c!=$b)
  9.      { echo $c; }
  10.      else { echo "0"; }
  11.       } $c--;
  12.      echo "<br>";
  13.      }
  14.     ?>
  15.  
  16.  
  17. <?php
  18.     for($a=1;$a<=3;$a++) {
  19.         for($b=1;$b<=3;$b++) {
  20.             if($c==$b)
  21.              { echo $c; }
  22.             else { echo "0"; } }
  23.           $c; echo "<br>";
  24.           }
  25.     ?>
  26.  
  27.  
  28. <?php
  29.     for($c=3,$a=1;
  30.     $a<=3;$a++) {
  31.         for($b=1;$b<=3;$b++) {
  32.             if($c==$b)
  33.              { echo $c; }
  34.              else { echo "0"; }
  35.           } $c;
  36.     echo "<br>"; }
  37.     ?>
  38.  
  39.  
  40. <?php
  41.     for($c=1,$a=1;$a<=3;$a++) {
  42.      for($b=1;$b<=3;$b++) {
  43.           if($c==$b)
  44.            { echo $c; }
  45.            else { echo "0"; }
  46.            } $c++; echo "<br>";
  47.            }
  48.         ?>
Success #stdin #stdout 0.02s 26036KB
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Identify the code used to generate a diagonal matrix, which has 0s and 1s. 

Select one:

011<br>000<br>-1-1-1<br>

000<br>000<br>000<br>

003<br>003<br>003<br>

100<br>020<br>003<br>
https://ideone.com/0OxA9n
language:
PHP (php 7.3.5)
created:
17 days ago
visibility:
public

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