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<?php $original = []; foreach (range(1, 20_000) as $iteration) { $original[] = [ 'id' => str_repeat("{$iteration}.", 4), 'name' => 'name', ]; } var_dump( array_map( static function (array $item): string { return "{$item['id']}#{$item['name']}"; }, array_filter( $original, static function (array $item): bool { return str_starts_with($item['id'], '11'); } ) ) );

Abusive script

This script was stopped while abusing our resources

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/SOetO
function name:  (null)
number of ops:  33
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_map'
   13    21        DECLARE_LAMBDA_FUNCTION                              ~9      [0]
   15    22        SEND_VAL                                                     ~9
   16    23        INIT_FCALL                                                   'array_filter'
   17    24        SEND_VAR                                                     !0
   18    25        DECLARE_LAMBDA_FUNCTION                              ~10     [1]
   20    26        SEND_VAL                                                     ~10
   16    27        DO_ICALL                                             $11     
   20    28        SEND_VAR                                                     $11
   12    29        DO_ICALL                                             $12     
   20    30        SEND_VAR                                                     $12
   11    31        DO_ICALL                                                     
   23    32      > RETURN                                                       1


Dynamic Functions:
Dynamic Function 0
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SOetO
function name:  {closure:/in/SOetO:13}
number of ops:  10
compiled vars:  !0 = $item
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   13     0  E >   RECV                                                 !0      
   14     1        FETCH_DIM_R                                          ~1      !0, 'id'
          2        ROPE_INIT                                         3  ~4      ~1
          3        ROPE_ADD                                          1  ~4      ~4, '%23'
          4        FETCH_DIM_R                                          ~2      !0, 'name'
          5        ROPE_END                                          2  ~3      ~4, ~2
          6        VERIFY_RETURN_TYPE                                           ~3
          7      > RETURN                                                       ~3
   15     8*       VERIFY_RETURN_TYPE                                           
          9*     > RETURN                                                       null

End of Dynamic Function 0

Dynamic Function 1
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SOetO
function name:  {closure:/in/SOetO:18}
number of ops:  7
compiled vars:  !0 = $item
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   18     0  E >   RECV                                                 !0      
   19     1        FETCH_DIM_R                                          ~1      !0, 'id'
          2        FRAMELESS_ICALL_2                str_starts_with      ~2      ~1, '11'
          3        VERIFY_RETURN_TYPE                                           ~2
          4      > RETURN                                                       ~2
   20     5*       VERIFY_RETURN_TYPE                                           
          6*     > RETURN                                                       null

End of Dynamic Function 1

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
187.06 ms | 5034 KiB | 18 Q