Code Snippet showing Score in post content

score.php

add_filter( 'the_content', 'add_review_score_content' );

function add_review_score_content( $content ) { 
    
    global $post; 
  
    if ( ! is_singular() ||  $post->post_type !== 'reviews' ) 
    {
        // It's not a single Review so just return standard content
	return $content;
    }
  
    $score_value = esc_html( get_field( 'score' ) );
    $score = '<hr /><h3>Our Score: <span class="score" style="float:right;font-weight:bold">' . $score_value . ' / 100</span></h3>';
 
    return $content . $score;

}