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<?php var_dump(array_map('array_keys', compact( '_ENV', '_GET', '_POST', '_COOKIE', '_SERVER' )));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/7J896
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'array_map'
          2        SEND_VAL                                                 'array_keys'
          3        INIT_FCALL                                               'compact'
    4     4        SEND_VAL                                                 '_ENV'
    5     5        SEND_VAL                                                 '_GET'
    6     6        SEND_VAL                                                 '_POST'
    7     7        SEND_VAL                                                 '_COOKIE'
    8     8        SEND_VAL                                                 '_SERVER'
          9        DO_ICALL                                         $0      
         10        SEND_VAR                                                 $0
         11        DO_ICALL                                         $1      
         12        SEND_VAR                                                 $1
         13        DO_ICALL                                                 
    9    14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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