<?php
/**
* Write a procedure AddRightDigit(D, K) that adds a digit D to the
* right side of the decimal representation of a positive integer K
* (D is an input integer parameter with the value in the range 0 to 9,
* K is an input and output integer parameter). Having input an integer K
* and two one-digit numbers D1, D2 and using two calls of this procedure,
* sequentially add the given digits D1, D2 to the right side of the given K
* and output the result of each adding.
*/
function AddRightDigit($D, &$K)
{
$K = $D . $K;
}
$var1 = 12;
$var2 = 34;
AddRightDigit($var1, $var2);
echo $var2 . '<br/>';
$var3 = 1001;
AddRightDigit($var3, $var2);
echo $var2;
<?php
/**
* Write a procedure AddLeftDigit(D, K) that adds a digit D to the left
* side of the decimal representation of a positive integer K (D is an
* input integer parameter with the value in the range 0 to 9, K is an input
* and output integer parameter). Having input an integer K and two one-digit
* numbers D1, D2 and using two calls of this procedure, sequentially add the given
* digits D1, D2 to the left side of the given K and output the result of each adding.
*/
function AddRightDigit($D, &$K)
{
$K = $K . $D;
}
$D1 = 12;
$var2 = 34;
AddRightDigit($D1, $var2);
echo $var2 . '<br/>';
$D2 = 1001;
AddRightDigit($D2, $var2);
echo $var2;