Get user input data from form in twig file with Symfony 4

Question

I'm trying to create a little search bar on my website with symfony 4. How do I get the the user input data from the form which can be used in the controller. The form looks like this :

 //.../navbar.html.twig

<form action="search" method="get" >
<input type="text" placeholder="Search..">
<button type="submit" class="btn btn-default">Search</button>
</form>

Aurelien · Accepted Answer · 2018-04-24 15:15:21Z

2

Since you don't seem to be using a FormType and your form's method is 'GET':

First your need a name to your input. ex:

<input type="text" name="search" placeholder="Search..">

Then just pass the request service to your action in your controller and get the desired parameter.

public function yourAction(Request $request){
    $searchString = $request->get('search');
}

Edit: I strongly recommend using symfony's form component tho. Doc here : https://symfony.com/doc/current/forms.html

edited Apr 24, 2018 at 15:15

answered Apr 24, 2018 at 15:04

Aurelien

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2 Comments

Yamen Nassif Over a year ago

using the link @Aurelien suggested is really good it will save you alot of time later on and will help you understand symfony much better.

Guillaume Harari Over a year ago

SearchType Field. This renders an <input type="search" /> field, which is a text box with special functionality supported by some browsers. : symfony.com/doc/current/reference/forms/types/search.html

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