searchform.php

<?php
/**
 * Search Form Template
 *
 * @package WM_Base_Theme
 */

$unique_id = wp_unique_id('search-form-');
?>
<form role="search" method="get" class="search-form" action="<?php echo esc_url(home_url('/')); ?>">
  <label for="<?php echo esc_attr($unique_id); ?>" class="screen-reader-text">
    <?php echo esc_html_x('Search for:', 'label', 'wm-base-theme'); ?>
  </label>
  <input
    type="search"
    id="<?php echo esc_attr($unique_id); ?>"
    class="search-form__input"
    name="s"
    value="<?php echo esc_attr(get_search_query()); ?>"
    placeholder="<?php echo esc_attr_x('Search&hellip;', 'placeholder', 'wm-base-theme'); ?>"
    aria-label="<?php echo esc_attr_x('Search for:', 'aria-label', 'wm-base-theme'); ?>"
  />
  <button type="submit" class="search-form__submit">
    <span class="screen-reader-text"><?php echo esc_html_x('Search', 'submit button', 'wm-base-theme'); ?></span>
    <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true" focusable="false">
      <circle cx="11" cy="11" r="8"></circle>
      <line x1="21" y1="21" x2="16.65" y2="16.65"></line>
    </svg>
  </button>
</form>