Save_post conditions

functions.php

<?php
add_action( 'save_post', 'cpm_resume_manager_save_resume', 10, 2 );
function cpm_resume_manager_save_resume($post_id, $post) {
   if ( empty( $post_id ) || empty( $post ) || empty( $_POST ) ) return;
    if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) return;
    if ( is_int( wp_is_post_revision( $post ) ) ) return;
    if ( is_int( wp_is_post_autosave( $post ) ) ) return;
    if ( $post->post_type != 'resume' ) return;
}