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<?php function all_local_vars(){ $initial_vars = array_keys(get_defined_vars()); $foo = 0; $bar = 'hoge'; return compact(array_diff(array_keys(get_defined_vars()), $initial_vars)); } var_dump(all_local_vars());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XZPnO
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'all_local_vars'
          2        DO_FCALL                                      0  $0      
          3        SEND_VAR                                                 $0
          4        DO_ICALL                                                 
          5      > RETURN                                                   1

Function all_local_vars:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/XZPnO
function name:  all_local_vars
number of ops:  22
compiled vars:  !0 = $initial_vars, !1 = $foo, !2 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'array_keys'
          1        INIT_FCALL                                               'get_defined_vars'
          2        DO_ICALL                                         $3      
          3        SEND_VAR                                                 $3
          4        DO_ICALL                                         $4      
          5        ASSIGN                                                   !0, $4
    5     6        ASSIGN                                                   !1, 0
    6     7        ASSIGN                                                   !2, 'hoge'
    7     8        INIT_FCALL                                               'compact'
          9        INIT_FCALL                                               'array_diff'
         10        INIT_FCALL                                               'array_keys'
         11        INIT_FCALL                                               'get_defined_vars'
         12        DO_ICALL                                         $8      
         13        SEND_VAR                                                 $8
         14        DO_ICALL                                         $9      
         15        SEND_VAR                                                 $9
         16        SEND_VAR                                                 !0
         17        DO_ICALL                                         $10     
         18        SEND_VAR                                                 $10
         19        DO_ICALL                                         $11     
         20      > RETURN                                                   $11
    8    21*     > RETURN                                                   null

End of function all_local_vars

Generated using Vulcan Logic Dumper, using php 8.0.0


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