[WORDPRESS] Get post by slug

functions.php

<?php
/*
 * get post by slug
 */
function wp_get_post_by_slug( $slug, $post_type = 'post', $unique = true ){
    $args=array(
        'name' => $slug,
        'post_type' => $post_type,
        'post_status' => 'publish',
        'posts_per_page' => 1
    );
    $my_posts = get_posts( $args );
    if( $my_posts ) {
        //echo 'ID on the first post found ' . $my_posts[0]->ID;
        if( $unique ){
            return $my_posts[ 0 ];
        }else{
            return $my_posts;
        }
    }
    return false;
}

For now, we have a much easier way to achieve this -- https://codex.wordpress.org/Function_Reference/get_page_by_path

I understand where Maxim comes from but get_page_by_path serves different purpose. For example it won't work for hierarchical children posts (like pages) where slug and path are different (path would need include slugs from all parents in the hierarchy 'parent_slug/children_slug'). As such above gist is more universal.