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<?php $array = range(1, 6); foreach ($array as $key => $value) { if ($value & 1) { unset($array[ $key ]); } } echo count(SplFixedArray::fromArray($array)), PHP_EOL; // 6 echo count(SplFixedArray::fromArray($array, false)), PHP_EOL; // 3
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 12
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 12
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 11
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 11
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/Q1QEC
function name:  (null)
number of ops:  27
compiled vars:  !0 = $array, !1 = $value, !2 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'range'
          1        SEND_VAL                                                 1
          2        SEND_VAL                                                 6
          3        DO_ICALL                                         $3      
          4        ASSIGN                                                   !0, $3
    4     5      > FE_RESET_R                                       $5      !0, ->12
          6    > > FE_FETCH_R                                       ~6      $5, !1, ->12
          7    >   ASSIGN                                                   !2, ~6
    5     8        BW_AND                                           ~8      !1, 1
          9      > JMPZ                                                     ~8, ->11
    6    10    >   UNSET_DIM                                                !0, !2
    4    11    > > JMP                                                      ->6
         12    >   FE_FREE                                                  $5
   10    13        INIT_STATIC_METHOD_CALL                                  'SplFixedArray', 'fromArray'
         14        SEND_VAR                                                 !0
         15        DO_FCALL                                      0  $9      
         16        COUNT                                            ~10     $9
         17        ECHO                                                     ~10
         18        ECHO                                                     '%0A'
   11    19        INIT_STATIC_METHOD_CALL                                  'SplFixedArray', 'fromArray'
         20        SEND_VAR                                                 !0
         21        SEND_VAL                                                 <false>
         22        DO_FCALL                                      0  $11     
         23        COUNT                                            ~12     $11
         24        ECHO                                                     ~12
         25        ECHO                                                     '%0A'
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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