Add last updated column to plugins list page

					<?php

// Add last updated column to plugins list page
add_filter( 'manage_plugins_columns', 'atar4u_add_last_updated_column' );
add_action( 'manage_plugins_custom_column', 'atar4u_display_last_updated_column', 10, 3 );

function atar4u_add_last_updated_column( $columns ) {
    $columns['last_updated'] = __( 'Last Updated', 'wpturbo' );
    return $columns;
}

function wpturbo_display_last_updated_column( $column_name, $plugin_file, $plugin_data ) {
    if ( 'last_updated' === $column_name ) {
        $last_updated = strtotime( $plugin_data['Last Updated'] );
        echo esc_html( human_time_diff( $last_updated ) . ' ago' );
    }
}