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<?php $array = array(1, 1, 2, 3, 5); foreach ($array as &$value) { $value *= $value; } unset($value); var_dump($array); $value = 42; var_dump($array); __exit_handler(); array_walk($array, function(&$value, &$key) { $value *= $value; }); var_dump($array);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 5
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
filename:       /in/WMJf8
function name:  (null)
number of ops:  25
compiled vars:  !0 = $array, !1 = $value
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   ASSIGN                                                   !0, <array>
   5     1      > FE_RESET_RW                                      $3      !0, ->5
         2    > > FE_FETCH_RW                                              $3, !1, ->5
   7     3    >   ASSIGN_MUL                                    0          !1, !1
         4      > JMP                                                      ->2
         5    >   FE_FREE                                                  $3
  10     6        <196>                                                    !1
  12     7        INIT_FCALL                                               'var_dump'
         8        SEND_VAR                                                 !0
         9        DO_ICALL                                                 
  14    10        ASSIGN                                                   !1, 42
  16    11        INIT_FCALL                                               'var_dump'
        12        SEND_VAR                                                 !0
        13        DO_ICALL                                                 
  18    14        INIT_FCALL_BY_NAME                                       '__exit_handler'
        15        DO_FCALL                                      0          
  20    16        INIT_FCALL                                               'array_walk'
        17        SEND_REF                                                 !0
        18        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FWMJf80x7fa133a860f7'
  22    19        SEND_VAL                                                 ~9
        20        DO_ICALL                                                 
  24    21        INIT_FCALL                                               'var_dump'
        22        SEND_VAR                                                 !0
        23        DO_ICALL                                                 
        24      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FWMJf80x7fa133a860f7:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WMJf8
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $value, !1 = $key
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
  20     0  E >   RECV                                             !0      
         1        RECV                                             !1      
  21     2        ASSIGN_MUL                                    0          !0, !0
  22     3      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FWMJf80x7fa133a860f7

Generated using Vulcan Logic Dumper, using php 7.3.0