Sindbad~EG File Manager

<?php
/**
 * Main template for the dev page.
 *
 * @package The7/Dev/Templates
 */

defined( 'ABSPATH' ) || exit;

$dev_tab = 'tools';
if ( isset( $_GET['tab'] ) ) {
	$dev_tab = basename( wp_unslash( $_GET['tab'] ) );
}
?>
<nav class="nav-tab-wrapper">
	<?php
	$dev_tabs = array(
		'tools'   => 'Tools',
		'beta'    => 'Beta',
		'install' => 'Installation',
	);
	foreach ( $dev_tabs as $tab_id => $tab_title ) {
		printf(
			'<a href="%1$s" class="nav-tab %2$s">%3$s</a>',
			esc_url( admin_url( 'admin.php?page=the7-dev&tab=' . $tab_id ) ),
			$tab_id === $dev_tab ? 'nav-tab-active' : '',
			esc_html( $tab_title )
		);
	}
	?>
</nav>
<div id="the7-dashboard" class="wrap">
	<?php get_template_part( 'inc/mods/dev-mode/views/tab', $dev_tab ); ?>
</div>