Hooks for saving WP ERP - CRM `photo_id` meta

hooks.php

<?php

/**
 * $people_id = contact or company id
 * meta data saved in 'PREFIX_erp_peoplemeta' table
 * for hook documentation see `update_metadata` function located in `wp-includes/meta.php` WordPress core file
 */
add_filter( 'update_erp_people_metadata', function ( $check, $people_id, $meta_key, $meta_value, $prev_value ) {

    if ( 'photo_id' === $meta_key ) {
        // do your things here
    }

    return $check;

}, 10, 5 );


add_action( 'update_erp_people_meta', function ( $meta_id, $people_id, $meta_key, $_meta_value ) {

    if ( 'photo_id' === $meta_key ) {
        // do your things here
    }

}, 10, 4 );


add_action( 'updated_erp_people_meta', function ( $meta_id, $people_id, $meta_key, $_meta_value ) {

    if ( 'photo_id' === $meta_key ) {
        // do your things here
    }

}, 10, 4 );