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<?php var_dump($_ENV['foo']); putenv('foo=bar'); var_dump($_ENV['foo']); var_dump(getenv('foo'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/amp0t
function name:  (null)
number of ops:  20
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'var_dump'
          1        FETCH_R                      global              ~0      '_ENV'
          2        FETCH_DIM_R                                      ~1      ~0, 'foo'
          3        SEND_VAL                                                 ~1
          4        DO_ICALL                                                 
    3     5        INIT_FCALL                                               'putenv'
          6        SEND_VAL                                                 'foo%3Dbar'
          7        DO_ICALL                                                 
    4     8        INIT_FCALL                                               'var_dump'
          9        FETCH_R                      global              ~4      '_ENV'
         10        FETCH_DIM_R                                      ~5      ~4, 'foo'
         11        SEND_VAL                                                 ~5
         12        DO_ICALL                                                 
    5    13        INIT_FCALL                                               'var_dump'
         14        INIT_FCALL                                               'getenv'
         15        SEND_VAL                                                 'foo'
         16        DO_ICALL                                         $7      
         17        SEND_VAR                                                 $7
         18        DO_ICALL                                                 
         19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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