/* =========================================================
* ADMIN ONLY - EXPORT PLUGINS + ADMINISTRATOR USERS
* ========================================================= */
/* =========================================================
* 1. EXPORT PLUGINS BUTTON
* ========================================================= */
add_action('admin_menu', function () {
add_submenu_page(
'plugins.php',
'Export Plugins',
'Export Plugins',
'activate_plugins',
'rk-export-plugins',
'rk_export_plugins_page'
);
});
function rk_export_plugins_page() {
if ( ! current_user_can('activate_plugins') ) {
wp_die('You do not have permission to export plugins.');
}
$url = wp_nonce_url(
admin_url('admin-post.php?action=rk_export_plugins'),
'rk_export_plugins'
);
echo '';
}
/* Export plugin CSV */
add_action('admin_post_rk_export_plugins', 'rk_do_export_plugins');
function rk_do_export_plugins() {
if ( ! current_user_can('activate_plugins') ) {
wp_die('You do not have permission to export plugins.');
}
check_admin_referer('rk_export_plugins');
if ( ! function_exists('get_plugins') ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}
$plugins = get_plugins();
$filename = 'plugins-export-' . date('Y-m-d-H-i-s') . '.csv';
// Prevent any previous output
while ( ob_get_level() ) {
ob_end_clean();
}
nocache_headers();
header('Content-Type: text/csv; charset=utf-8');
header('Content-Disposition: attachment; filename="' . $filename . '"');
header('Pragma: no-cache');
header('Expires: 0');
$output = fopen('php://output', 'w');
// CSV Header
fputcsv($output, array(
'Plugin Name',
'Active / Deactivate Plugin'
));
foreach ( $plugins as $plugin_file => $plugin_data ) {
$plugin_name = isset($plugin_data['Name'])
? $plugin_data['Name']
: '';
$is_active = is_plugin_active($plugin_file);
$status = $is_active
? 'Deactivate'
: 'Activate';
fputcsv($output, array(
$plugin_name,
$status
));
}
fclose($output);
exit;
}
/* =========================================================
* 2. EXPORT ADMINISTRATOR USERS BUTTON
* ========================================================= */
add_action('admin_menu', function () {
add_submenu_page(
'users.php',
'Export Administrators',
'Export Administrators',
'list_users',
'rk-export-administrators',
'rk_export_administrators_page'
);
});
function rk_export_administrators_page() {
if ( ! current_user_can('list_users') ) {
wp_die('You do not have permission to export users.');
}
$url = wp_nonce_url(
admin_url('admin-post.php?action=rk_export_administrators'),
'rk_export_administrators'
);
echo '';
}
/* Export ONLY Administrator users */
add_action(
'admin_post_rk_export_administrators',
'rk_do_export_administrators'
);
function rk_do_export_administrators() {
if ( ! current_user_can('list_users') ) {
wp_die('You do not have permission to export users.');
}
check_admin_referer('rk_export_administrators');
global $wpdb;
/*
* Get ONLY users having Administrator role.
* This avoids loading all 4,800+ users into memory.
*/
$administrator_users = $wpdb->get_results(
"
SELECT DISTINCT u.ID, u.user_login
FROM {$wpdb->users} u
INNER JOIN {$wpdb->usermeta} um
ON u.ID = um.user_id
WHERE um.meta_key = '{$wpdb->prefix}capabilities'
AND um.meta_value LIKE '%administrator%'
ORDER BY u.user_login ASC
"
);
$filename = 'administrators-export-' . date('Y-m-d-H-i-s') . '.csv';
// Prevent previous output
while ( ob_get_level() ) {
ob_end_clean();
}
nocache_headers();
header('Content-Type: text/csv; charset=utf-8');
header('Content-Disposition: attachment; filename="' . $filename . '"');
header('Pragma: no-cache');
header('Expires: 0');
$output = fopen('php://output', 'w');
// CSV Header
fputcsv($output, array(
'Username',
'User Role'
));
foreach ( $administrator_users as $user ) {
fputcsv($output, array(
$user->user_login,
'Administrator'
));
}
fclose($output);
exit;
}
/* =========================================================
* 3. ADD BUTTON TO USERS PAGE
* ========================================================= */
add_action('restrict_manage_users', function () {
if ( ! current_user_can('list_users') ) {
return;
}
$url = wp_nonce_url(
admin_url('admin-post.php?action=rk_export_administrators'),
'rk_export_administrators'
);
echo ' Export Administrators ';
});
/* =========================================================
* 4. ADD BUTTON TO PLUGINS PAGE
* ========================================================= */
add_action('manage_plugins_extra_tablenav', function ($which) {
if ( $which !== 'top' ) {
return;
}
if ( ! current_user_can('activate_plugins') ) {
return;
}
$url = wp_nonce_url(
admin_url('admin-post.php?action=rk_export_plugins'),
'rk_export_plugins'
);
echo ' Export Plugins ';
});
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HBE February Session
