<?php
require 'db/config.php';
$db = db();
$tables = ['payments', 'purchase_payments', 'pos_payments'];
foreach ($tables as $t) {
    try {
        $stmt = $db->query("SHOW COLUMNS FROM `$t`");
        $has = false;
        while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
            if($row['Field'] == 'outlet_id') $has = true;
        }
        if($has) echo "$t has outlet_id\n";
        else echo "$t missing outlet_id\n";
    } catch (Exception $e) {
        echo "Error on $t: " . $e->getMessage() . "\n";
    }
}