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<?php $original = []; foreach (range(1, 20_000) as $iteration) { $original[] = [ 'id' => str_repeat("{$iteration}.", 4), 'name' => 'name', ]; } var_dump( array_reduce( $original, static function (array $result, array $item): array { if (str_starts_with($item['id'], '11')) { $result[] = $item; } return $result; }, [] ) );
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 18
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 18
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
filename:       /in/ccIn9
function name:  (null)
number of ops:  29
compiled vars:  !0 = $original, !1 = $iteration
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        INIT_FCALL                                               'range'
          2        SEND_VAL                                                 1
          3        SEND_VAL                                                 20000
          4        DO_ICALL                                         $3      
          5      > FE_RESET_R                                       $4      $3, ->18
          6    > > FE_FETCH_R                                               $4, !1, ->18
    6     7    >   INIT_FCALL                                               'str_repeat'
          8        NOP                                                      
          9        FAST_CONCAT                                      ~6      !1, '.'
         10        SEND_VAL                                                 ~6
         11        SEND_VAL                                                 4
         12        DO_ICALL                                         $7      
         13        INIT_ARRAY                                       ~8      $7, 'id'
    7    14        ADD_ARRAY_ELEMENT                                ~8      'name', 'name'
    5    15        ASSIGN_DIM                                               !0
    7    16        OP_DATA                                                  ~8
    4    17      > JMP                                                      ->6
         18    >   FE_FREE                                                  $4
   11    19        INIT_FCALL                                               'var_dump'
   12    20        INIT_FCALL                                               'array_reduce'
   13    21        SEND_VAR                                                 !0
   14    22        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FccIn9%3A14%240'
   19    23        SEND_VAL                                                 ~9
   20    24        SEND_VAL                                                 <array>
         25        DO_ICALL                                         $10     
         26        SEND_VAR                                                 $10
         27        DO_ICALL                                                 
   22    28      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FccIn9%3A14%240:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 10
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 10
filename:       /in/ccIn9
function name:  {closure}
number of ops:  14
compiled vars:  !0 = $result, !1 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   14     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   15     2        INIT_FCALL                                               'str_starts_with'
          3        FETCH_DIM_R                                      ~2      !1, 'id'
          4        SEND_VAL                                                 ~2
          5        SEND_VAL                                                 '11'
          6        DO_ICALL                                         $3      
          7      > JMPZ                                                     $3, ->10
   16     8    >   ASSIGN_DIM                                               !0
          9        OP_DATA                                                  !1
   18    10    >   VERIFY_RETURN_TYPE                                       !0
         11      > RETURN                                                   !0
   19    12*       VERIFY_RETURN_TYPE                                       
         13*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FccIn9%3A14%240

Generated using Vulcan Logic Dumper, using php 8.0.0


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144.99 ms | 1411 KiB | 23 Q