00-README.md

Bulk Edit example in WordPress.

01-custom-column.php

<?php

add_filter( 'manage_posts_columns', 'nelio_add_social_resharing_column', 10, 2 );
function nelio_add_social_resharing_column( $columns, $post_type ) {

	if ( 'post' !== $post_type ) {
		return $columns;
	}//end if

	$columns['nelio_social_resharing'] = __( 'Social Reshare', 'nelio' );
	return $columns;

}//end nelio_add_social_resharing_column()

02-value-in-custom-column.php

<?php

add_action( 'manage_posts_custom_column', 'nelio_set_social_resharing_column_value', 10, 2 );
function nelio_set_social_resharing_column_value( $column, $post_id ) {

	if ( 'nelio_social_resharing' !== $column ) {
		return;
	}//end if

	if ( nelio_exclude_post_from_resharing( $post_id ) ) {
		_e( 'Disabled', 'nelio' );
	} else {
		_e( 'Enabled', 'nelio' );
	}//end if

}//end nelio_set_social_resharing_column_value()

03-custom-bulk-edit-field.php

<?php

add_action( 'bulk_edit_custom_box', 'nelio_maybe_add_bulk_edit_for_social_resharing', 10, 2 );
function nelio_maybe_add_bulk_edit_for_social_resharing( $column, $post_type ) {

	if ( 'nelio_social_resharing' !== $column ) {
		return;
	}//end if

	if ( 'post' !== $post_type ) {
		return;
	}//end if

  ?>

<label class="alignleft">
<span class="title"><?php esc_html_e( 'Social Networks', 'nelio-content' ); ?></span>
<select name="nelio_reshare">
	<option value="no-change"><?php _e( '&mdash; No Change &mdash;', 'nelio-content' ); ?></option>
	<option value="exclude"><?php esc_html_e( 'Exclude from Automatic Reshare in social networks', 'nelio-content' ); ?></option>
	<option value="include"><?php esc_html_e( 'Include in Automatic Reshare in social networks', 'nelio-content' ); ?></option>
</select></label>

<?php
}//end nelio_maybe_add_bulk_edit_for_social_resharing()

04-save-post.php

<?php

add_action( 'save_post', 'nelio_update_social_resharing_on_post_save' ), 10, 2 );
function nelio_update_social_resharing_on_post_save( $post_id, $post ) {
  
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
		return;
	}//end if
  
	if ( 'post' !== $post->post_type ) {
		return;
	}//end if
  
	$reshare = false;
	if ( isset( $_REQUEST['nelio_reshare'] ) ) {
		$reshare = sanitize_text_field( wp_unslash( $_REQUEST['nelio_reshare'] ) );
	}//end if
  
	switch ( $reshare ) {

		case 'no-change':
			// Do nothing.
			break;

		case 'exclude':
			nelio_exclude_from_reshare( $post_id );
			break;

		case 'include':
			nelio_include_in_reshare( $post_id );
			break;

	}//end switch
  
}//end nelio_update_social_resharing_on_post_save()