page.php

<?php 
	// Exits if accessed directly.
	if ( ! defined( 'ABSPATH' ) ) exit;
?>

<div class="ymfo-page-header">
	<div class="wrap">
		<h1><?php echo esc_html( get_admin_page_title() ); ?></h1>
	</div>
</div>

<div class="wrap">
	<?php
		if ( get_current_screen()->parent_base !== 'options-general' ) {
			settings_errors();
		}
	?>
</div>

<div class="ymfo-page-content">
	<div class="wrap">
		<?php
			$ymfo_form_action = 'options.php';

			if ( $this->page_args[ 'in_network' ] ) {
				$ymfo_form_action = "edit.php?action={$this->page_slug}";
			}
		?>
		<form action="<?php echo esc_attr( $ymfo_form_action ); ?>" method="POST" class="ymfo-page-content__options-form">
			<?php
				if ( $this->page_args[ 'in_network' ] ) {
					wp_nonce_field( 'ymfo_network_nonce' );
				} else {
					settings_fields( $this->page_slug );
				}

				do_settings_sections( $this->page_slug );
				
				submit_button();
			?>
		</form>
	</div>
</div>