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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[] = ['date' => $date, 'value' => $value]; } } var_export($result);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 16
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 16
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 11, Position 2 = 15
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 15
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
filename:       /in/UUOoZ
function name:  (null)
number of ops:  21
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, ->16
          3    > > FE_FETCH_R                                           ~8      $7, !2, ->16
          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, ->15
   15    11    >   INIT_ARRAY                                           ~12     !4, 'date'
         12        ADD_ARRAY_ELEMENT                                    ~12     !2, 'value'
         13        ASSIGN_DIM                                                   !1
         14        OP_DATA                                                      ~12
   13    15    > > JMP                                                          ->3
         16    >   FE_FREE                                                      $7
   18    17        INIT_FCALL                                                   'var_export'
         18        SEND_VAR                                                     !1
         19        DO_ICALL                                                     
         20      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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