'accodes_snippets',
'post_status' => 'any',
'posts_per_page' => -1,
];
$snippets = get_posts($args);
$export_data = [];
foreach ($snippets as $snippet) {
$active = get_post_meta($snippet->ID, '_accodes_snippet_active', true);
if ($export_scope === 'active' && $active !== '1') {
continue;
}
if ($exclude_drafts && $snippet->post_status === 'draft') {
continue;
}
$export_data[] = [
'title' => $snippet->post_title,
'status' => $snippet->post_status,
'content' => get_post_meta($snippet->ID, '_accodes_code', true),
'language' => get_post_meta($snippet->ID, '_accodes_snippet_language', true),
'location' => get_post_meta($snippet->ID, '_accodes_snippet_location', true),
'active' => $active,
'notes' => get_post_meta($snippet->ID, '_accodes_snippet_notes', true),
'tags' => wp_get_post_terms($snippet->ID, 'accodes_tag', ['fields' => 'names']),
];
}
if (empty($export_data)) {
echo "";
exit;
}
header('Content-Type: application/json');
header('Content-Disposition: attachment; filename="accodes-snippets-export.json"');
echo json_encode($export_data, JSON_PRETTY_PRINT);
exit;
});
// Import Snippets Handler
add_action('admin_post_accodes_import_snippets', function () {
if (!current_user_can('manage_options')) {
wp_die('Permission denied');
}
check_admin_referer('accodes_import_snippets', 'accodes_import_nonce');
// Validate uploaded file array indexes before use. Rely on the upload error index and
// `wp_handle_upload()` to safely move and validate the uploaded file.
if ( empty( $_FILES['accodes_import_file'] ) || ! isset( $_FILES['accodes_import_file']['error'] ) || $_FILES['accodes_import_file']['error'] !== UPLOAD_ERR_OK ) {
wp_safe_redirect( esc_url_raw( admin_url('admin.php?page=accodes-import-export&import=failed') ) );
exit;
}
// Move uploaded file into WordPress uploads directory for safe handling.
require_once ABSPATH . 'wp-admin/includes/file.php';
$overrides = [
'test_form' => false,
'mimes' => [ 'json' => 'application/json', 'txt' => 'text/plain' ],
];
$move = wp_handle_upload( $_FILES['accodes_import_file'], $overrides );
if ( isset( $move['error'] ) || empty( $move['file'] ) ) {
wp_safe_redirect( esc_url_raw( admin_url('admin.php?page=accodes-import-export&import=failed') ) );
exit;
}
$file_path = $move['file'];
$json = file_get_contents( $file_path );
// Clean up the moved file after reading.
if ( function_exists( 'wp_delete_file' ) ) {
wp_delete_file( $file_path );
} else {
@unlink( $file_path );
}
$snippets = json_decode($json, true);
if (!is_array($snippets)) {
wp_safe_redirect( esc_url_raw( admin_url('admin.php?page=accodes-import-export&import=invalid') ) );
exit;
}
$imported_count = 0;
foreach ($snippets as $snippet) {
$post_id = wp_insert_post([
'post_type' => 'accodes_snippets',
'post_title' => sanitize_text_field($snippet['title']),
'post_status' => sanitize_text_field($snippet['status'] ?? 'draft'),
]);
if ($post_id) {
update_post_meta($post_id, '_accodes_code', $snippet['content']);
update_post_meta($post_id, '_accodes_snippet_language', $snippet['language']);
update_post_meta($post_id, '_accodes_snippet_location', $snippet['location']);
update_post_meta($post_id, '_accodes_snippet_active', $snippet['active']);
update_post_meta($post_id, '_accodes_snippet_notes', $snippet['notes'] ?? '');
wp_set_post_terms($post_id, $snippet['tags'], 'accodes_tag');
$imported_count++;
}
}
wp_safe_redirect( esc_url_raw( admin_url('admin.php?page=accodes-import-export&import=success&count=' . (int) $imported_count) ) );
exit;
});
function accodes_import_export_page_callback() {
// phpcs:ignore WordPress.Security.NonceVerification.Recommended -- values come from redirect parameters after verified handlers
$status = isset( $_GET['import'] ) ? sanitize_text_field( wp_unslash( $_GET['import'] ) ) : '';
// phpcs:ignore WordPress.Security.NonceVerification.Recommended
$count = isset( $_GET['count'] ) ? intval( wp_unslash( $_GET['count'] ) ) : 0;
if ($status === 'success') {
echo 'Import completed! (' . esc_html( (string) $count ) . ' snippets)
File upload failed. Please try again.
Invalid JSON format. Please upload a valid export file.
Import Snippets