Question

i am facing a problem
can some one suggest me

for ($i = 1; $i <= 2; $i++) {
  $r2 = 0;
  for ($t = 1; $t <= 2; $t++) {
    echo $r2;
    $r2++
  }
}

output is 0101;

can i get output 0123 ??? please

if

for ($i = 1; $i <= 3; $i++) {
  $r2 = 0;
  for ($t = 1; $t <= 3; $t++) {
    echo $r2;
    $r2++
  }
}

output is 010101;

can output 012345678 ??? please

and if

 for ($i = 1; $i <= 4; $i++) {
   $r2 = 0;
   for ($t = 1; $t <= 4; $t++) {
     echo $r2;
     $r2++
   }
 }

output is 01010101;

can output 0123456789101112131415 ??? please
i think you understand

thanks

Answer 1

In all of these cases you are initializing $r2=0; in the inner loop. It should be outside the loop.

$r2=0;
for($i=1;$i<=2;$i++){
  for($t=1;$t<=2;$t++){
    echo $r2;
    $r2++
  }
}

This would produce “1234”.