Highlight searched word - php

Question

In Symfony2, how will i highlight the word i search from the search box :
// Search Twig:
{% block body -%}
<h1>Results of "{{ find }}"</h1>
{% if entities%}
{% for entity in entities %}
<table class="record_properties">
<tbody>
<tr>
<td>>{{ entity.question }}</td>
</tr>
</tbody>
</table>
{% endfor %}
{%else%}
<td>No Results found</td>
{%endif%}
{% endblock %}
//searchController :
public function searchAction() {
$request = $this->getRequest();
$data = $request->request->all();
$find = $data['search'];
$em = $this->getDoctrine()->getManager();
$query = $em->createQuery(
'SELECT p.id, p.question
FROM EpitaEpitaBundle:questionanswer p
WHERE p.question LIKE :data')
->setParameter('data', "%$find%");
$res = $query->getResult();
return $this->render('EpitaEpitaBundle:questionanswer:search.html.twig', array(
'entities' => $res,
'find' => $find));
}
// I am getting the searched result but i want it to be highlighted...

Answer 1

You could, probably, do something like:
<td>>{{ entity.question|replace({find: "<span class='highlight'>" ~ find ~ "</span>"}) }}</td>
And then create a class in css:
span.hightlight {
/* Whatever you want to do with highlighted elements*/
}
Another option would be to write your own filter in PHP.

Answer 2

I'll suggest you to create your own filter as suggest by #Mindastic.
For that you will need a custom Twig extension, follow this cookbook entry to do that.
You will need to mark the output as safe HTML to make it work.
Last, but not least, for security reason, I encourage you to use PHP strip_tags() function on the input value to avoid injection.