Multiple choice php

Which of the following tags is not a valid way to begin and end a PHP code block?





    

      
    
            
  1. 
              
    <% %>
    
    
            
    2. 
            
  2. 
              
    <?php ?>
    
    
            
    3. 
            
  3. 
              
    <?= ?>
    
    
            
    4. 
            
  4. 
              
    <! !>
    
    
            
    5. 
      

    


    

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        D
        Correct answer
      

        

          Explanation
          

            
Standard PHP tags are , = ... ?> (short echo), and <% ... %> (ASP tags, if enabled in configuration). '' is not recognized as a PHP code block delimiter.


          

        

    

  



          

      
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