$id =0;
unset($_SESSION["orders"][$id]);
echo "<BR/>";
echo "Orders: " . count($_SESSION["orders"]);
echo "<BR/>";
for ($x=0;$x<count($_SESSION["orders"]);$x++) {
    echo "<BR/>";
    echo "<BR/>Print Order: $x";
    echo "<BR/>";
    print_r($_SESSION["orders"][$x]);

}
echo "<BR/>";
print_r($_SESSION["orders"]);
echo "<BR/>";
echo "<BR/>";


/*

Output:

Orders: 1


Print Order: 0

Array ( [1] => Array ( [USER_NAME] => Administrator [PRODUCT_ID] => 30 [PRODUCT_TYPE] => TestProduct3 [PRODUCT_SIZE] => 33"x33" [PAPER_TYPE] => TestPaperType33 [PRINT_OPTION] => TestPrintOption33 [QUANTITY] => 33 [SHIPPING_OPTION] => Out State [TAX] => 02.75 [SHIPPING_COST] => 00.00 [TOTAL_PRICE] => 35.75 [COMPANY] => Company2 [BLDG-APT] => Bldg2 [STREET] => Street2 [CITY] => City2 [STATE] => State2 [ZIP] => Zip2 [PHONE] => Phone2 ) )


*/