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<?php function getVariable() { return 'lorem'; } if ($a = getVariable()) { var_dump($a); } function getVariable2() { return null; } if ($a = getVariable2()) { var_dump($a); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 14
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
Branch analysis from position: 7
filename:       /in/RYYVX
function name:  (null)
number of ops:  15
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                               'getvariable'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                           ~2      !0, $1
          3      > JMPZ                                                     ~2, ->7
    6     4    >   INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
   13     7    >   INIT_FCALL                                               'getvariable2'
          8        DO_FCALL                                      0  $4      
          9        ASSIGN                                           ~5      !0, $4
         10      > JMPZ                                                     ~5, ->14
   14    11    >   INIT_FCALL                                               'var_dump'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                                 
   15    14    > > RETURN                                                   1

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

End of function getvariable

Function getvariable2:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/RYYVX
function name:  getVariable2
number of ops:  2
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   11     0  E > > RETURN                                                   null
   12     1*     > RETURN                                                   null

End of function getvariable2

Generated using Vulcan Logic Dumper, using php 8.0.0


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