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<?php //código com o problema function &olaMundoRef(){ return 'Ola mundo'. PHP_EOL; } //código sem problema function &olaMundo(){ $x = 'Ola mundo'; return $x; } echo olaMundoRef(); echo olaMundo();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ZbXSD
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   13     0  E >   INIT_FCALL                                               'olamundoref'
          1        DO_FCALL                                      0  $0      
          2        ECHO                                                     $0
   14     3        INIT_FCALL                                               'olamundo'
          4        DO_FCALL                                      0  $1      
          5        ECHO                                                     $1
          6      > RETURN                                                   1

Function olamundoref:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/ZbXSD
function name:  olaMundoRef
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E > > RETURN_BY_REF                                            'Ola+mundo%0A'
    5     1*     > RETURN_BY_REF                                            null

End of function olamundoref

Function olamundo:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/ZbXSD
function name:  olaMundo
number of ops:  3
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   ASSIGN                                                   !0, 'Ola+mundo'
   10     1      > RETURN_BY_REF                                            !0
   11     2*     > RETURN_BY_REF                                            null

End of function olamundo

Generated using Vulcan Logic Dumper, using php 8.0.0


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