Wordpress Accordian Menu

Custom Accordian Menu With Categories

function sidebar_accordian_left()
{
	global $post;
		$categories = get_terms( 'education_categories', array(
    		'hide_empty' => false,
		) );
echo '<ul class="accordian-menu" id="toggle-view">';
foreach( $categories as $category ) {
	
	$cat_id = $category->term_id;
    $category_link = sprintf( 
        '<a href="%1$s" class="clicka" alt="%2$s">%3$s<span>+</span></a>',
        esc_url( '#' ),
        esc_attr( sprintf( __( 'View all posts in %s', 'textdomain' ), $category->name ) ),
        esc_html( $category->name )
    );
    
	$args = array( 
		'post_type' => 'education_blog',
		'posts_per_page' => -1, 
		'offset'=> 1, 
		'tax_query' => array(
			'relation' => 'AND',
			array(
				'taxonomy' => 'education_categories',
				'field' => 'term_id',
				'terms' => $cat_id,
			),
		),
	);
    $myposts = get_posts( $args );

    $queried_object = get_queried_object();
    $page_title = $queried_object->post_name;
    
    $post_id = $queried_object->ID;

    $terms = wp_get_post_terms( $post_id , 'education_categories' , array("fields" => "all") );

    foreach ($terms as $value) {
    	$post_tax = $value->slug;
    }
    	
    echo '<li id="'.$category->slug.'" class="main-accordian-li">' . sprintf( esc_html__( '%s', 'textdomain' ), $category_link ) ?>
    	<div class="panel"<?php if($category->slug == $post_tax){ echo 'style="display:block;"';}else if($category->slug != $post_tax){echo 'style="display:none;"';} ?>><ul class="accordian-submenu">
					<?php foreach ( $myposts as $post ) : setup_postdata( $post ); ?>
						<li <?php if($page_title == $post->post_name){ echo 'class="current-item-accordian"'; }?>>
							<a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
						</li>
					<?php endforeach; 
					wp_reset_postdata();
					?>
    	</ul></div>
    <?php
    echo '</li> ';
    
} 
echo '</ul>';

}
add_shortcode('Leftbar_accordian','sidebar_accordian_left');