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<?php function test() { echo "test"; }; $var = test(); echo json_encode($var);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/M73r7
function name:  (null)
number of ops:  8
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'test'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                                   !0, $1
    9     3        INIT_FCALL                                               'json_encode'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        ECHO                                                     $3
          7      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/M73r7
function name:  test
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ECHO                                                     'test'
    5     1      > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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