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<?php $array = [ 'name' => 'Bar', 'location' => 'Baz', 'foo.2021-02-01' => '50000.00', 'foo.2021-03-01' => '50000.00', 'foo.2021-04-01' => '50000.00', 'foo.2021-05-01' => '' ]; $result = []; foreach ($array as $key => $value) { if (sscanf($key, 'foo.%s', $date)) { $result[] = compact(['date', 'value']); } } var_export($result);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 17
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 17
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 16
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
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/1kJFp
function name:  (null)
number of ops:  22
compiled vars:  !0 = $array, !1 = $result, !2 = $value, !3 = $key, !4 = $date
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                       !0, <array>
   12     1        ASSIGN                                                       !1, <array>
   13     2      > FE_RESET_R                                           $7      !0, ->17
          3    > > FE_FETCH_R                                           ~8      $7, !2, ->17
          4    >   ASSIGN                                                       !3, ~8
   14     5        INIT_FCALL                                                   'sscanf'
          6        SEND_VAR                                                     !3
          7        SEND_VAL                                                     'foo.%25s'
          8        SEND_REF                                                     !4
          9        DO_ICALL                                             $10     
         10      > JMPZ                                                         $10, ->16
   15    11    >   INIT_FCALL                                                   'compact'
         12        SEND_VAL                                                     <array>
         13        DO_ICALL                                             $12     
         14        ASSIGN_DIM                                                   !1
         15        OP_DATA                                                      $12
   13    16    > > JMP                                                          ->3
         17    >   FE_FREE                                                      $7
   18    18        INIT_FCALL                                                   'var_export'
         19        SEND_VAR                                                     !1
         20        DO_ICALL                                                     
         21      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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