join - Appending a text to a variable in Twig -


I am trying to insert a string using the ~ (tild) operator in the trigger. This is my case, I have many different things with: 

  {% set class = 'original_text'%} {try first: the most obvious for me, the form of PHP God # {% Class ~ = 'some_other_text'%} {try for # seconds} {% class = class ~ 'some_other_text'%} {# third attempt #} {% class = [class, 'some_other_text'] | Join (''%} {# Fourth Attempt: Existing Variable has been changed #} {% set class = [class, 'some_other_text'] |

In any of the above mentioned tasks Is not included.

I need to add some text and every time some text is added. Something like this will work in this way: 

  {% set class = 'Original_text'%} {% class ~ = 'first_append'%} {% class ~ = 'second' exception '%} {% class ~ =' third_append '%}

and more 

  {{class}}

will result in: 

  original_text first_ append second Any ideas on how to do this?  
 Thanks!  
  Edit:  CSS error proved, concatenation went well ....   
 
 
 using the set tag You can add a string with one variable, from your example we can rewrite the lines,  
  {% set class = 'original_text'%} {% set class = class} 'Some_other_text'%}  
 
 and we can print out such new  class  variable , 
 
  {{class}}  
 
 show it out showing this way,  original_text_dh_my_text

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