--TEST--
Oracle Database 12c Implicit Result Sets: oci_get_implicit_resultset: nested cursor
--EXTENSIONS--
oci8
--SKIPIF--
<?php
require_once 'skipifconnectfailure.inc';
$target_dbs = array('oracledb' => true, 'timesten' => false);  // test runs on these DBs
require __DIR__.'/skipif.inc';
preg_match('/.*Release ([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+)\.([[:digit:]]+)*/', oci_server_version($c), $matches);
if (!(isset($matches[0]) && $matches[1] >= 12)) {
    die("skip expected output only valid when using Oracle Database 12c or greater");
}
preg_match('/^[[:digit:]]+/', oci_client_version(), $matches);
if (!(isset($matches[0]) && $matches[0] >= 12)) {
    die("skip works only with Oracle 12c or greater version of Oracle client libraries");
}
?>
--FILE--
<?php

require __DIR__.'/connect.inc';

// Initialization

$stmtarray = array(
    "drop table imp_res_get_cursor_tab_1",
    "create table imp_res_get_cursor_tab_1 (c1 number, c2 varchar2(10))",
    "insert into imp_res_get_cursor_tab_1 values (1, 'abcde')",
    "insert into imp_res_get_cursor_tab_1 values (2, 'fghij')",
    "insert into imp_res_get_cursor_tab_1 values (3, 'klmno')",

    "drop table imp_res_get_cursor_tab_2",
    "create table imp_res_get_cursor_tab_2 (c3 varchar2(1))",
    "insert into imp_res_get_cursor_tab_2 values ('t')",
    "insert into imp_res_get_cursor_tab_2 values ('u')",
    "insert into imp_res_get_cursor_tab_2 values ('v')",

    "create or replace procedure imp_res_get_cursor_proc as
      c1 sys_refcursor;
    begin
      open c1 for select cursor(select c1, c2 from imp_res_get_cursor_tab_1 order by 1) as curs from dual;
      dbms_sql.return_result(c1);

      open c1 for select * from imp_res_get_cursor_tab_2 where rownum < 3 order by 1;
      dbms_sql.return_result(c1);

      open c1 for select * from dual;
      dbms_sql.return_result (c1);
    end;"
);

oci8_test_sql_execute($c, $stmtarray);

function do_fetch($s)
{
    while (($row = oci_fetch_assoc($s)) != false) {
        foreach ($row as $item) {
            if (is_resource($item)) {  // Nested cursor
                oci_execute($item);
                do_fetch($item);
            } else {
                echo "  ".$item;
            }
        }
        echo "\n";
    }
}

// Run Test

echo "Test 1\n";

$s = oci_parse($c, "begin imp_res_get_cursor_proc(); end;");
oci_execute($s);

while (($s1 = oci_get_implicit_resultset($s))) {
    do_fetch($s1);
}

// Clean up

$stmtarray = array(
    "drop procedure imp_res_get_cursor_proc",
    "drop table imp_res_get_cursor_tab_1",
    "drop table imp_res_get_cursor_tab_2"
);

oci8_test_sql_execute($c, $stmtarray);

?>
--EXPECT--
Test 1
  1  abcde
  2  fghij
  3  klmno

  t
  u
  X