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<?php function createReferenceInArray(): array { $foo = 'foo'; $result = ['foo' => &$foo]; debug_zval_dump($result); return $result; } $result = createReferenceInArray(); debug_zval_dump($result);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/12fdR
function name:  (null)
number of ops:  7
compiled vars:  !0 = $result
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                                   'createreferenceinarray'
          1        DO_FCALL                                          0  $1      
          2        ASSIGN                                                       !0, $1
   13     3        INIT_FCALL                                                   'debug_zval_dump'
          4        SEND_VAR                                                     !0
          5        DO_ICALL                                                     
          6      > RETURN                                                       1

Function createreferenceinarray:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/12fdR
function name:  createReferenceInArray
number of ops:  10
compiled vars:  !0 = $foo, !1 = $result
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                       !0, 'foo'
    6     1        INIT_ARRAY                                           ~3      !0, 'foo'
          2        ASSIGN                                                       !1, ~3
    7     3        INIT_FCALL                                                   'debug_zval_dump'
          4        SEND_VAR                                                     !1
          5        DO_ICALL                                                     
    9     6        VERIFY_RETURN_TYPE                                           !1
          7      > RETURN                                                       !1
   10     8*       VERIFY_RETURN_TYPE                                           
          9*     > RETURN                                                       null

End of function createreferenceinarray

Generated using Vulcan Logic Dumper, using php 8.5.0


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