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db-import.php

<?php

// place a database dump and this file in the root directory of the WordPress site 
// to be able to import the .sql file into the active datbase.

// You trigger this script by visiting https://yourdomain.com/db-import.php?key=mysecret123

## SET THESE VARIABLES ACCORDINGLY
$allowed_key = 'mysecret123';
$sqlFile = __DIR__ . '/your_database_dump.sql';


require_once __DIR__ . '/wp-config.php';

// Optional: remove this if you don't want the key check

if (!isset($_GET['key']) || $_GET['key'] !== $allowed_key) {
    http_response_code(403);
    exit('Forbidden');
}

// Increase limits
set_time_limit(0);
ini_set('memory_limit', '512M');

// Connect
$mysqli = new mysqli(DB_HOST, DB_USER, DB_PASSWORD, DB_NAME);
if ($mysqli->connect_error) {
    die('Connection failed: ' . $mysqli->connect_error);
}

// Disable FK checks (important for dropping tables)
$mysqli->query('SET FOREIGN_KEY_CHECKS=0');

// Drop all tables
$result = $mysqli->query("SHOW TABLES");
while ($row = $result->fetch_row()) {
    $table = $row[0];
    $mysqli->query("DROP TABLE IF EXISTS `$table`");
}

$mysqli->query('SET FOREIGN_KEY_CHECKS=1');

echo "All tables dropped...\n";

// Import SQL file
$sqlFile = __DIR__ . '/your_database_dump.sql';
if (!file_exists($sqlFile)) {
    die("SQL file not found: $sqlFile");
}

$handle = fopen($sqlFile, 'r');
if (!$handle) {
    die("Could not open SQL file");
}

$query = '';
while (($line = fgets($handle)) !== false) {
    $line = trim($line);

    // Skip comments
    if ($line === '' || strpos($line, '--') === 0 || strpos($line, '/*') === 0) {
        continue;
    }

    $query .= $line . ' ';

    // End of statement
    if (substr($line, -1) === ';') {
        if (!$mysqli->query($query)) {
            echo "Error executing query:\n$query\n";
            echo "MySQL error: " . $mysqli->error . "\n";
            fclose($handle);
            exit;
        }
        $query = '';
    }
}

fclose($handle);
$mysqli->close();

echo "Import complete.";