New Functions

<?php
function legacy_widget_areas() {
    register_sidebar( array(
        'name' => __( 'Image Add Widgets Area', 'legacy' ),
        'id' => 'image_add',
        'before_widget' => '<div class="single_sidebar">',
        'after_widget' => '</div>',
        'before_title' => '<h2>',
        'after_title' => '</h2>',
    ) );

    register_sidebar( array(
        'name' => __( 'Some Text Widgets Area', 'legacy' ),
        'id' => 'texts',
        'before_widget' => '<div class="some_text">',
        'after_widget' => '</div>',
        'before_title' => '<h2>',
        'after_title' => '</h2>',
    ) );
}
add_action('widgets_init', 'legacy_widget_areas');

?>