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<?php $string = 'あいうえお研究所'; echo rtrim($string, '  ');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8256V
function name:  (null)
number of ops:  7
compiled vars:  !0 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%E3%81%82%E3%81%84%E3%81%86%E3%81%88%E3%81%8A%E7%A0%94%E7%A9%B6%E6%89%80'
    5     1        INIT_FCALL                                               'rtrim'
          2        SEND_VAR                                                 !0
          3        SEND_VAL                                                 '%E3%80%80+'
          4        DO_ICALL                                         $2      
          5        ECHO                                                     $2
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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