Please Help : Result wont' display

i'm a newbie in PHP-ORACLE. please help me,why the result wont display. there is no error. maybe need some setting or what. please help me.. thanks


<?php
$conn = OCILogon("scott", "tiger", "johan");
// Select Data...
$s = OCIParse($conn, "select * from table1");
OCIExecute($s, OCI_DEFAULT);
while (ocifetch($s)){
echo "ID =" .ociresult($s,"id")." ";
echo "Name =" .ociresult($s,"name")."\n";
}
?>