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Templating with Twig

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Importing and Using Macros

3:28 with Alena Holligan

Macros can be defined in any template, and need to be "imported" via the import tag before being used.

Macros can be defined in any template, and need to be "imported" via the import tag before being used:

{% import "forms.twig" as forms %}

<form method="post">
    {{ forms.input('name', post.name) }}
    {{ forms.input('email', post.email, 'text', "We'll never share your email with anyone else.") }}
    {{ forms.textarea('message') }}
    <button type="submit" class="btn btn-primary">Send Message</button>
</form>

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    We can close base and home. 0:00
    We're going to add a form tag, we're gonna set the method = post. 0:04
    And we'll let it submit back here for now. 0:10
    Form, and we'll add our submit button. 0:13
    Submit, class= btn btn-primary, 0:21
    and then Send Message, button. 0:29
    Okay, before our form, 0:35
    we're going to import our macros. 0:39
    So we use a command to import 0:44
    forms.twig as forms. 0:50
    This is how we access our macro. 0:55
    Now within our form, we'll use forms like an object name and 0:58
    then we'll call them macro. 1:04
    Forms.input and then we'll pass in name, 1:06
    we named our file form, not forms. 1:12
    Let's rename the file. 1:16
    Great, we have a form that posts to itself, 1:21
    with a form field named name. 1:26
    Let's go back and add additional options. 1:30
    The next argument is a value, we can't use our post variables directly in Twig. 1:33
    So we'll have to pass those variables into our template. 1:40
    Let's go into index.php. 1:44
    And then in our past array, we're going to add a new element called host. 1:47
    And we'll set this equal to our $_POST values. 1:54
    Now back in our contact template, we can use for 1:59
    our next argument, post.name. 2:05
    Let's try this in the browser again. 2:08
    Great, our form field keeps the entered data. 2:14
    The next argument is the type. 2:17
    I can pass nothing, an empty string, or null, and 2:20
    they will all default to using that default value. 2:24
    I can also specify my type as text or anything else I want. 2:28
    I'm going to pass an empty string. 2:33
    My final argument is the help, I don't want use anything for name. 2:36
    So I'm actually just going to leave off these last two arguments. 2:42
    I'm going to copy this line for email. 2:47
    My first argument will be email and 2:53
    then post.email, this time pass an empty string. 2:57
    And then for help I want to add, 3:02
    we will never share your email with anyone. 3:07
    Let's take a look in the browser. 3:13
    This time, we have a name and an email field. 3:18
    And our email field shows our message below, 3:21
    we will never share your email with anyone. 3:24

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