Request list of all variables used in blade view template

Asked by: Nick DuBois

We have a series of blade view templates that are out going emails and would like to create a simple way for our in house administration to preview these emails without actually sending them.

I could keep tract of, and provide filler variables but am very curious if there is a way to request a list of variables used in a view?

For example, I have a basic view "greeting.blade.php" that says:

Dear {{$customerFirstName}} {{$customerLastName}},

I'd like to:

$usedVariablesArray = getVariablesFromView("greeting");

And have it return:

['customerFirstName', 'customerLastName']

Is there anything built into laravel that provides this kind of functionality?

[EDIT] I'd like to do this from outside the view file in question.

public function previewEmailTemplate($templateName) {
    $usedVariables = $getArrayOfVariables($template);
    // Would return ['customerFirstName', 'customerLastName']

    foreach($usedVariables as $aUsedVariable) {
        $dummyValues[$aUsedVariable] = $aUsedVariable;
    }

    return view($template, $dummyValues)->render();
}

So this function would render the template with the variable names in the place of the variables.

Does that make my question clearer?

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