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<?php function runThis( & $arg ) { $return = $arg; $arg += 2; return $return; } $a = 4; $b = runThis($a); var_dump([$a, $b]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AR2Qb
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, 4
    9     1        INIT_FCALL                                               'runthis'
          2        SEND_REF                                                 !0
          3        DO_FCALL                                      0  $3      
          4        ASSIGN                                                   !1, $3
   11     5        INIT_FCALL                                               'var_dump'
          6        INIT_ARRAY                                       ~5      !0
          7        ADD_ARRAY_ELEMENT                                ~5      !1
          8        SEND_VAL                                                 ~5
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Function runthis:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/AR2Qb
function name:  runThis
number of ops:  5
compiled vars:  !0 = $arg, !1 = $return
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    4     1        ASSIGN                                                   !1, !0
    5     2        ASSIGN_OP                                     1          !0, 2
    6     3      > RETURN                                                   !1
    7     4*     > RETURN                                                   null

End of function runthis

Generated using Vulcan Logic Dumper, using php 8.0.0


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