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<?php $a = array('first','second','third','fourth'); /* foreach($a as &$v ){} foreach($a as $v){} */ // print_r($a); $temp = array(); $items = array( array('id'=>1,'pid'=>0,'name'=>'cate','level'=>1)); foreach($items as $value){ $temp[]= &$value; } $n = array(); foreach($a as $v){ $n[] = &$v; echo '33'; } // print_r($n);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 8
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 8
2 jumps found. (Code = 77) Position 1 = 11, Position 2 = 16
Branch analysis from position: 11
2 jumps found. (Code = 78) Position 1 = 12, Position 2 = 16
Branch analysis from position: 12
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
Branch analysis from position: 8
filename:       /in/QZQaV
function name:  (null)
number of ops:  18
compiled vars:  !0 = $a, !1 = $temp, !2 = $items, !3 = $value, !4 = $n, !5 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    7     1        ASSIGN                                                   !1, <array>
    8     2        ASSIGN                                                   !2, <array>
   10     3      > FE_RESET_R                                       $9      !2, ->8
          4    > > FE_FETCH_R                                               $9, !3, ->8
   11     5    >   FETCH_DIM_W                                      $10     !1
          6        ASSIGN_REF                                               $10, !3
   10     7      > JMP                                                      ->4
          8    >   FE_FREE                                                  $9
   13     9        ASSIGN                                                   !4, <array>
   14    10      > FE_RESET_R                                       $13     !0, ->16
         11    > > FE_FETCH_R                                               $13, !5, ->16
   15    12    >   FETCH_DIM_W                                      $14     !4
         13        ASSIGN_REF                                               $14, !5
   16    14        ECHO                                                     '33'
   14    15      > JMP                                                      ->11
         16    >   FE_FREE                                                  $13
   18    17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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