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<?php $a=3; test($a); echo $a; function test(&$var) { $var=9; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OQ1GZ
function name:  (null)
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 3
    4     1        INIT_FCALL_BY_NAME                                       'test'
          2        SEND_VAR_EX                                              !0
          3        DO_FCALL                                      0          
    5     4        ECHO                                                     !0
    9     5      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/OQ1GZ
function name:  test
number of ops:  3
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   RECV                                             !0      
    8     1        ASSIGN                                                   !0, 9
    9     2      > RETURN                                                   null

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


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