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<?php echo preg_replace('/(?:\w+)(__)(?:\w+)/i', '$1.$3', 'aluno_pobre__casado__novata'); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IQVfP
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'preg_replace'
          1        SEND_VAL                                                 '%2F%28%3F%3A%5Cw%2B%29%28__%29%28%3F%3A%5Cw%2B%29%2Fi'
          2        SEND_VAL                                                 '%241.%243'
          3        SEND_VAL                                                 'aluno_pobre__casado__novata'
          4        DO_ICALL                                         $0      
          5        ECHO                                                     $0
    4     6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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