revealSecret.twig

{% macro revealSecret(startId, elements) %}
    {% set outputInt = startId %}
    {% set outputStr = startId %}
    {% set end = false %}
    {% for i in 0..elements|length if end == false %}
		{% set el = elements[outputInt] %}
		{% if '+' in el.nextElement %}
			{% set arr = el.nextElement|split('+') %}
			{% set output = arr[0] + arr[1] %}
		{% elseif '*' in el.nextElement %}
			{% set arr = el.nextElement|split('*') %}
			{% set output = arr[0] * arr[1] %}
		{% elseif '/' in el.nextElement %}
			{% set arr = el.nextElement|split('/') %}
			{% set output = arr[0] / arr[1] %}
		{% elseif '-' in el.nextElement %}
			{% set arr = el.nextElement|split('-') %}
			{% set output = arr[0] - arr[1] %}
	    {% else %}
	    	{% set output = el.nextElement %}
	    {% endif %}
	    {% if el.nextElement is null %}
	    	{% set end = true %}
	    	{% set outputStr = outputStr ~ ' > ' ~ el.title %}
	    {% else %}
	    	{% set outputInt = output %}
	    	{% set outputStr = outputStr ~ ' > ' ~ output %}
	    {% endif %}	    
	{% endfor %}
	{{ outputStr }}
{% endmacro %}