<?php

$a = [5,1,3,0,6,2,4]; 
$b = [1,2,1,2,1,2,1]; 
$c = [3,4,3,4,3,4,3]; 
echo "<table>\n";
 for ($i=0; $i<count($a); $i++){ 
  $d = $b[$i];   
  $e = $c[$a[$i]];   
  $f = $d*$e;  
  echo "  <tr>";    
  echo "<td>$d</td>";  
  echo "<td>$e</td>";  
 echo "<td>$f</td>";   
 echo "</tr>\n"; } echo "</table>\n";
 echo "</p>\n"; 
} 
?>

Parse error: syntax error, unexpected '[' on line 3