Post ID in job permalink - Must save permalinks after adding the code to functions.php

gistfile1.txt

function job_listing_post_type_link( $permalink, $post ) {
    // Abort if post is not a job
    if ( $post->post_type !== 'job_listing' )
    	return $permalink;

    // Abort early if the placeholder rewrite tag isn't in the generated URL
    if ( false === strpos( $permalink, '%' ) )
    	return $permalink;

    $find = array(
    	'%post_id%'
    );

    $replace = array(
    	$post->ID
    );

    $replace = array_map( 'sanitize_title', $replace );

    $permalink = str_replace( $find, $replace, $permalink );

    return $permalink;
}
add_filter( 'post_type_link', 'job_listing_post_type_link', 10, 2 );

function change_job_listing_slug( $args ) {
  $args['rewrite']['slug'] = 'job/%post_id%';
  return $args;
}
add_filter( 'register_post_type_job_listing', 'change_job_listing_slug' );

Hello nice code mate but if i want the permalink like
E.g. /job/job-title/1234