Get data from post in wordpress

Get title from post :

<?php echo get_the_title(); ?> 

Get content with excerpt from post:

<?php

function get_excerpt(){

$content_post = get_post();

$excerpt = $content_post->post_content;

$excerpt = preg_replace(" (\[.*?\])",'',$excerpt);

$excerpt = strip_shortcodes($excerpt);

$excerpt = strip_tags($excerpt);

$excerpt = substr($excerpt, 0, 120);

$excerpt = substr($excerpt, 0, strripos($excerpt, " "));

$excerpt = trim(preg_replace( '/\s+/', ' ', $excerpt));

return $excerpt;

}

?>

<p>

<?php

echo get_excerpt();

?>

</p>

Get featured image from post :

<?php if (has_post_thumbnail() ): ?>

<?php $image = wp_get_attachment_image_src( get_post_thumbnail_id(  ), 'single-post-thumbnail' ); ?>

<div class="blog_container_lb" style="background-image: url('<?php echo $image[0]; ?>')">

<?php endif; ?>