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<?php function foo(&$var) { $var++; } function &bar() { $a = 5; return $a; } foo(bar());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4aTf2
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                               'foo'
          1        INIT_FCALL                                               'bar'
          2        DO_FCALL                                      0  $0      
          3        SEND_VAR_NO_REF                               0          $0
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4aTf2
function name:  foo
number of ops:  3
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    5     1        PRE_INC                                                  !0
    6     2      > RETURN                                                   null

End of function foo

Function bar:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /in/4aTf2
function name:  bar
number of ops:  3
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   ASSIGN                                                   !0, 5
   10     1      > RETURN_BY_REF                                            !0
   11     2*     > RETURN_BY_REF                                            null

End of function bar

Generated using Vulcan Logic Dumper, using php 8.0.0


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