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<?php $fieldNames = [ 'id', 'location', 'blankets', 'sleepingbags' ]; $file = new \SplFileObject('collections1.csv', 'rb'); $file->setCsvControl(",", "\"", "\\"); $file->setFlags(\SplFileObject::READ_CSV); $sumBlankets = []; foreach ($file as $i => $line) { $row = array_combine($fieldNames, $line); $k = $row['location']; // important if (!array_key_exists($k, $sumBlankets)) { $sumBlankets[$k] = [ 'blankets' => 0, 'sleepingbags' => 0 ]; } if ( is_numeric($row['blankets']) ) { $sumBlankets[$k]['blankets'] += $row['blankets']; } if ( is_numeric($row['sleepingbags']) ) { $sumBlankets[$k]['sleepingbags'] += $row['sleepingbags']; } } var_export( $sumBlankets );
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 16, Position 2 = 49
Branch analysis from position: 16
2 jumps found. (Code = 78) Position 1 = 17, Position 2 = 49
Branch analysis from position: 17
2 jumps found. (Code = 43) Position 1 = 28, Position 2 = 30
Branch analysis from position: 28
2 jumps found. (Code = 43) Position 1 = 35, Position 2 = 39
Branch analysis from position: 35
2 jumps found. (Code = 43) Position 1 = 44, Position 2 = 48
Branch analysis from position: 44
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
Branch analysis from position: 48
Branch analysis from position: 39
Branch analysis from position: 30
Branch analysis from position: 49
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 49
filename:       /in/OOOPD
function name:  (null)
number of ops:  54
compiled vars:  !0 = $fieldNames, !1 = $file, !2 = $sumBlankets, !3 = $line, !4 = $i, !5 = $row, !6 = $k
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, <array>
   11     1        NEW                                              $8      'SplFileObject'
          2        SEND_VAL_EX                                              'collections1.csv'
          3        SEND_VAL_EX                                              'rb'
          4        DO_FCALL                                      0          
          5        ASSIGN                                                   !1, $8
   12     6        INIT_METHOD_CALL                                         !1, 'setCsvControl'
          7        SEND_VAL_EX                                              '%2C'
          8        SEND_VAL_EX                                              '%22'
          9        SEND_VAL_EX                                              '%5C'
         10        DO_FCALL                                      0          
   13    11        INIT_METHOD_CALL                                         !1, 'setFlags'
         12        SEND_VAL_EX                                              8
         13        DO_FCALL                                      0          
   15    14        ASSIGN                                                   !2, <array>
   17    15      > FE_RESET_R                                       $14     !1, ->49
         16    > > FE_FETCH_R                                       ~15     $14, !3, ->49
         17    >   ASSIGN                                                   !4, ~15
   18    18        INIT_FCALL                                               'array_combine'
         19        SEND_VAR                                                 !0
         20        SEND_VAR                                                 !3
         21        DO_ICALL                                         $17     
         22        ASSIGN                                                   !5, $17
   20    23        FETCH_DIM_R                                      ~19     !5, 'location'
         24        ASSIGN                                                   !6, ~19
   22    25        ARRAY_KEY_EXISTS                                 ~21     !6, !2
         26        BOOL_NOT                                         ~22     ~21
         27      > JMPZ                                                     ~22, ->30
   23    28    >   ASSIGN_DIM                                               !2, !6
         29        OP_DATA                                                  <array>
   26    30    >   INIT_FCALL                                               'is_numeric'
         31        FETCH_DIM_R                                      ~24     !5, 'blankets'
         32        SEND_VAL                                                 ~24
         33        DO_ICALL                                         $25     
         34      > JMPZ                                                     $25, ->39
   29    35    >   FETCH_DIM_R                                      ~28     !5, 'blankets'
         36        FETCH_DIM_RW                                     $26     !2, !6
         37        ASSIGN_DIM_OP                +=               1          $26, 'blankets'
         38        OP_DATA                                                  ~28
   32    39    >   INIT_FCALL                                               'is_numeric'
         40        FETCH_DIM_R                                      ~29     !5, 'sleepingbags'
         41        SEND_VAL                                                 ~29
         42        DO_ICALL                                         $30     
         43      > JMPZ                                                     $30, ->48
   34    44    >   FETCH_DIM_R                                      ~33     !5, 'sleepingbags'
         45        FETCH_DIM_RW                                     $31     !2, !6
         46        ASSIGN_DIM_OP                +=               1          $31, 'sleepingbags'
         47        OP_DATA                                                  ~33
   17    48    > > JMP                                                      ->16
         49    >   FE_FREE                                                  $14
   40    50        INIT_FCALL                                               'var_export'
         51        SEND_VAR                                                 !2
         52        DO_ICALL                                                 
         53      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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