Read this blog on custom search form Drupal 7 for more information.

Want to customize the Drupal Search Form with a placeholder, custom size, custom submit button text, or use an image for the submit button? All of the things can be accomplished by adding a function to your theme’s template.php file.
custom search form drupal 7

This defines the appearance of the search block form, which you can then place anywhere on your web site via the Blocks UI. Alternatively, if you just want to display the search form in another template, like region–header.tpl.php or page.tpl.php, call it by render()

Many websites allow a user to search for text within the website using an internal search feature. Drupal core provides this with the Search module, which allows you to do a keyword search on content (text in nodes, taxonomy, etc.) and users (by name or email). In addition to having a search box to enter a keyword query into, you also have a results page, which lists the content or users that match, or a “no results” message if none match. To go into the source code and modifying it are advanced techniques best left to professionals. Here I will present an easier way to add a Drupal 7 custom search form.

How to Add a Custom Search Form Drupal 7 Easily

Here we will visit the steps required to add the ExpertRec Custom search engine to your website. This is one of the easiest setup processes of all the available options out there and is highly recommended.

  1. Navigate to and signup with your Google ID.
  2. Enter your website’s URL when prompted. You can select a server location near you and add the URL of your sitemap if you wish to. These will be auto-detected otherwise.
  3. You can play around with the settings and customize the UI as the crawl runs. Once it is complete, you can check out a fully functional demo before taking the search to your website.
  4. You can take the search to your website with little to no effort. All you need to do is to paste the code snippet available on the dashboard on your website.

ExpertRec comes with more customization options that you can explore. You can read this article to find a more detailed guide on the installation and configuration.

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