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<?php $a = range(1,10); foreach ($a as &$b) { var_dump($a % 2 === 0); if ($a % 2 === 0) { unset($b); } } var_dump($a);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 6, Position 2 = 17
Branch analysis from position: 6
2 jumps found. (Code = 126) Position 1 = 7, Position 2 = 17
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 15, Position 2 = 16
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 16
Branch analysis from position: 17
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 17
filename:       /in/R8qPm
function name:  (null)
number of ops:  22
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'range'
          1        SEND_VAL                                                 1
          2        SEND_VAL                                                 10
          3        DO_ICALL                                         $2      
          4        ASSIGN                                                   !0, $2
    3     5      > FE_RESET_RW                                      $4      !0, ->17
          6    > > FE_FETCH_RW                                              $4, !1, ->17
    4     7    >   INIT_FCALL                                               'var_dump'
          8        MOD                                              ~5      !0, 2
          9        IS_IDENTICAL                                     ~6      ~5, 0
         10        SEND_VAL                                                 ~6
         11        DO_ICALL                                                 
    5    12        MOD                                              ~8      !0, 2
         13        IS_IDENTICAL                                             ~8, 0
         14      > JMPZ                                                     ~9, ->16
    6    15    >   UNSET_CV                                                 !1
    3    16    > > JMP                                                      ->6
         17    >   FE_FREE                                                  $4
    9    18        INIT_FCALL                                               'var_dump'
         19        SEND_VAR                                                 !0
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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