Some important tools of wordPress

How to dynamic WordPress search option:

<form action="<?php echo home_url(); ?>/" method="post" role="form" class="pull-right search-form col-xs-12 col-sm-3" id="searchform">

                            <div class="form-group">

                               

                                    <input type="text" class="form-control" id="search-form" placeholder="To search type and hit enter" value="<?php esc_attr_e( 'Search', 'brightpage' ); ?>" name="s" id="s" onfocus="if (this.value == '<?php esc_attr_e( 'Search', 'brightpage' ); ?>') {this.value = '';}" onblur="if (this.value == '') {this.value = '<?php esc_attr_e( 'Search', 'brightpage' ); ?>';}" />

                                    <input type="submit" id="searchsubmit" value="<?php esc_attr_e( 'Go', 'brightpage' ); ?>" />

                            </div>

</form>

how to active dynamic breadcrumbs in WordPress:

firstly copy below this code and paste where you want to breadcrumbs:

<div class="breadcumbs">

                            <?php if (function_exists('wordpress_breadcrumbs')) wordpress_breadcrumbs(); ?></div>

Next you copy below this code and paste function.php:

<?php

function wordpress_breadcrumbs() {

  $delimiter = '&raquo;';

  $name = 'Home'; //text for the 'Home' link

  $currentBefore = '<span class="current">';

  $currentAfter = '</span>';

  if ( !is_home() && !is_front_page() || is_paged() ) {

    echo '<div id="crumbs">';

    global $post;

    $home = get_bloginfo('url');

    echo '<a href="' . $home . '">' . $name . '</a> ' . $delimiter . ' ';

    if ( is_category() ) {

      global $wp_query;

      $cat_obj = $wp_query->get_queried_object();

      $thisCat = $cat_obj->term_id;

      $thisCat = get_category($thisCat);

      $parentCat = get_category($thisCat->parent);

      if ($thisCat->parent != 0) echo(get_category_parents($parentCat, TRUE, ' ' . $delimiter . ' '));

      echo $currentBefore . 'Archive by category &#39;';

      single_cat_title();

      echo '&#39;' . $currentAfter;

    } elseif ( is_day() ) {

      echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';

      echo '<a href="' . get_month_link(get_the_time('Y'),get_the_time('m')) . '">' . get_the_time('F') . '</a> ' . $delimiter . ' ';

      echo $currentBefore . get_the_time('d') . $currentAfter;

    } elseif ( is_month() ) {

      echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';

      echo $currentBefore . get_the_time('F') . $currentAfter;

    } elseif ( is_year() ) {

      echo $currentBefore . get_the_time('Y') . $currentAfter;

    } elseif ( is_single() ) {

      $cat = get_the_category(); $cat = $cat[0];

      echo get_category_parents($cat, TRUE, ' ' . $delimiter . ' ');

      echo $currentBefore;

      the_title();

      echo $currentAfter;

    } elseif ( is_page() && !$post->post_parent ) {

      echo $currentBefore;

      the_title();

      echo $currentAfter;

    } elseif ( is_page() && $post->post_parent ) {

      $parent_id  = $post->post_parent;

      $breadcrumbs = array();

      while ($parent_id) {

        $page = get_page($parent_id);

        $breadcrumbs[] = '<a href="' . get_permalink($page->ID) . '">' . get_the_title($page->ID) . '</a>';

        $parent_id  = $page->post_parent;

      }

      $breadcrumbs = array_reverse($breadcrumbs);

      foreach ($breadcrumbs as $crumb) echo $crumb . ' ' . $delimiter . ' ';

      echo $currentBefore;

      the_title();

      echo $currentAfter;

    } elseif ( is_search() ) {

      echo $currentBefore . 'Search results for &#39;' . get_search_query() . '&#39;' . $currentAfter;

    } elseif ( is_tag() ) {

      echo $currentBefore . 'Posts tagged &#39;';

      single_tag_title();

      echo '&#39;' . $currentAfter;

    } elseif ( is_author() ) {

       global $author;

      $userdata = get_userdata($author);

      echo $currentBefore . 'Articles posted by ' . $userdata->display_name . $currentAfter;

    } elseif ( is_404() ) {

      echo $currentBefore . 'Error 404' . $currentAfter;

    }

    if ( get_query_var('paged') ) {

      if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ' (';

      echo __('Page') . ' ' . get_query_var('paged');

      if ( is_category() || is_day() || is_month() || is_year() || is_search() || is_tag() || is_author() ) echo ')';

    }

    echo '</div>';

  }

}

?>

How you can active post-loop.php in wordpress:

<?php if(have_posts()) : ?>
    <?php while (have_posts()) : the_post(); ?>   
        <div class="">.........some content......</div>
                       
    <?php endwhile; ?>   
<?php endif; ?>