<?php
require_once __DIR__ . '/db_conn.php';
header('Content-Type: text/plain; charset=utf-8');

$pdo = db_conn();
$sql = "SELECT rg.goal_code,
               rg.seq,
               rg.title AS rg_title,
               rg.description AS rg_desc,
               c.sort_order,
               c.title AS c_title,
               c.description AS c_desc
        FROM edu_recommended_goals rg
        LEFT JOIN edu_contents c
          ON c.goal_code = rg.goal_code
         AND c.sort_order = rg.seq
         AND c.is_active = '1'
        WHERE rg.is_active = '1'
        ORDER BY rg.goal_code ASC, rg.seq ASC";
$rows = $pdo->query($sql)->fetchAll(PDO::FETCH_ASSOC);
foreach ($rows as $r) {
    echo ($r['goal_code'] ?? '') . '#' . ($r['seq'] ?? '')
      . ' | rg_title=' . ($r['rg_title'] ?? '')
      . ' | rg_desc=' . ($r['rg_desc'] ?? '')
      . ' | c_title=' . ($r['c_title'] ?? '')
      . ' | c_desc=' . ($r['c_desc'] ?? '')
      . PHP_EOL;
}