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<?php $arr = array(); function a( $arr ) { $arr[] = 'a'; } function b( &$arr ) { $arr[] = 'b'; } a($arr); var_dump($arr); b($arr); var_dump($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/R385I
function name:  (null)
number of ops:  14
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
   10     1        INIT_FCALL                                               'a'
          2        SEND_VAR                                                 !0
          3        DO_FCALL                                      0          
   11     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
   12     7        INIT_FCALL                                               'b'
          8        SEND_REF                                                 !0
          9        DO_FCALL                                      0          
   13    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                                 
         13      > RETURN                                                   1

Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/R385I
function name:  a
number of ops:  4
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
    5     1        ASSIGN_DIM                                               !0
          2        OP_DATA                                                  'a'
    6     3      > RETURN                                                   null

End of function a

Function b:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/R385I
function name:  b
number of ops:  4
compiled vars:  !0 = $arr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
    8     1        ASSIGN_DIM                                               !0
          2        OP_DATA                                                  'b'
    9     3      > RETURN                                                   null

End of function b

Generated using Vulcan Logic Dumper, using php 8.0.0


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