Tutorial 1
Use this code in functions.php
function rm_post_view_count(){
if ( is_single() ){
global $post;
$count_post = esc_attr( get_post_meta( $post->ID, '_post_views_count', true) );
if( $count_post == ''){
$count_post = 1;
add_post_meta( $post->ID, '_post_views_count', $count_post);
}else{
$count_post = (int)$count_post + 1;
update_post_meta( $post->ID, '_post_views_count', $count_post);
}
}
}
add_action('wp_head', 'rm_post_view_count');