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ACF check old custom field value and compare to new value
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| <?php | |
| //Documentation: https://www.advancedcustomfields.com/resources/acf-save_post/ | |
| add_action('acf/save_post', 'vk_acf_save_post', 5); | |
| function vk_acf_save_post( $post_id ) { | |
| //Bail if post type is not equal "tickets" | |
| if ( get_post_type( $post_id ) != 'tickets' ) { | |
| return; | |
| } | |
| // Get previous values. | |
| $old_state = get_post_meta($post_id, 'cf_name', true); | |
| // Get submitted values. | |
| $new_state = ''; | |
| if(isset($_POST['acf']['field_62a4a40d34d6b'])) { | |
| $new_state = $_POST['acf']['field_62a4a40d34d6b']; | |
| } | |
| // Check if a specific value was updated. | |
| if($old_state != $new_state) { | |
| //Do something | |
| } | |
| } |
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