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<?php function foo() { var_dump(bar()); } function bar() { return debug_backtrace(); } call_user_func("foo");
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YdubX
function name:  (null)
number of ops:  3
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                                   'foo'
          1        DO_FCALL                                          0          
          2      > RETURN                                                       1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YdubX
function name:  foo
number of ops:  6
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'var_dump'
          1        INIT_FCALL_BY_NAME                                           'bar'
          2        DO_FCALL                                          0  $0      
          3        SEND_VAR                                                     $0
          4        DO_ICALL                                                     
    4     5      > RETURN                                                       null

End of function foo

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/YdubX
function name:  bar
number of ops:  4
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    6     0  E >   INIT_FCALL                                                   'debug_backtrace'
          1        DO_ICALL                                             $0      
          2      > RETURN                                                       $0
    7     3*     > RETURN                                                       null

End of function bar

Generated using Vulcan Logic Dumper, using php 8.5.0


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