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

$pdo = db_conn();

echo "[COLUMNS]\n";
$cols = $pdo->query('SHOW COLUMNS FROM edu_recommended_goals')->fetchAll(PDO::FETCH_ASSOC);
foreach ($cols as $c) {
    echo $c['Field'] . '|' . $c['Type'] . PHP_EOL;
}

echo "\n[SAMPLES]\n";
$rows = $pdo->query('SELECT * FROM edu_recommended_goals ORDER BY 1 ASC LIMIT 30')->fetchAll(PDO::FETCH_ASSOC);
foreach ($rows as $r) {
    $pairs = [];
    foreach ($r as $k => $v) {
        $pairs[] = $k . '=' . str_replace(["\r", "\n"], ' ', (string)$v);
    }
    echo implode(' | ', $pairs) . PHP_EOL;
}