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<?php $sunday = new DateTimeImmutable('Sunday'); $monday = new DateTimeImmutable('Monday'); foreach (new DatePeriod($sunday, new DateInterval('P1D'), 6) as $date) { $dow = $date->format('w'); $weekday = $sunday->add(new DateInterval('P' . $dow . 'D')); $dowISO = $date->format('N'); $weekdayISOM = $monday->add(new DateInterval('P' . ($dowISO - 1) . 'D')); $weekdayISOS = $sunday->add(new DateInterval('P' . $dowISO . 'D')); printf("STD: %s = %s\nISOM: %s = %s\nISOS: %s = %s\n\n", $dow, $weekday->format('l'), $dowISO, $weekdayISOM->format('l'), $dowISO, $weekdayISOS->format('l')); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 17, Position 2 = 73
Branch analysis from position: 17
2 jumps found. (Code = 78) Position 1 = 18, Position 2 = 73
Branch analysis from position: 18
1 jumps found. (Code = 42) Position 1 = 17
Branch analysis from position: 17
Branch analysis from position: 73
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 73
filename:       /in/uG9NT
function name:  (null)
number of ops:  75
compiled vars:  !0 = $sunday, !1 = $monday, !2 = $date, !3 = $dow, !4 = $weekday, !5 = $dowISO, !6 = $weekdayISOM, !7 = $weekdayISOS
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $8      'DateTimeImmutable'
          1        SEND_VAL_EX                                              'Sunday'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $8
    4     4        NEW                                              $11     'DateTimeImmutable'
          5        SEND_VAL_EX                                              'Monday'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $11
    5     8        NEW                                              $14     'DatePeriod'
          9        SEND_VAR_EX                                              !0
         10        NEW                                              $15     'DateInterval'
         11        SEND_VAL_EX                                              'P1D'
         12        DO_FCALL                                      0          
         13        SEND_VAR_NO_REF_EX                                       $15
         14        SEND_VAL_EX                                              6
         15        DO_FCALL                                      0          
         16      > FE_RESET_R                                       $18     $14, ->73
         17    > > FE_FETCH_R                                               $18, !2, ->73
    6    18    >   INIT_METHOD_CALL                                         !2, 'format'
         19        SEND_VAL_EX                                              'w'
         20        DO_FCALL                                      0  $19     
         21        ASSIGN                                                   !3, $19
    7    22        INIT_METHOD_CALL                                         !0, 'add'
         23        NEW                                              $21     'DateInterval'
         24        CONCAT                                           ~22     'P', !3
         25        CONCAT                                           ~23     ~22, 'D'
         26        SEND_VAL_EX                                              ~23
         27        DO_FCALL                                      0          
         28        SEND_VAR_NO_REF_EX                                       $21
         29        DO_FCALL                                      0  $25     
         30        ASSIGN                                                   !4, $25
    9    31        INIT_METHOD_CALL                                         !2, 'format'
         32        SEND_VAL_EX                                              'N'
         33        DO_FCALL                                      0  $27     
         34        ASSIGN                                                   !5, $27
   10    35        INIT_METHOD_CALL                                         !1, 'add'
         36        NEW                                              $29     'DateInterval'
         37        SUB                                              ~30     !5, 1
         38        CONCAT                                           ~31     'P', ~30
         39        CONCAT                                           ~32     ~31, 'D'
         40        SEND_VAL_EX                                              ~32
         41        DO_FCALL                                      0          
         42        SEND_VAR_NO_REF_EX                                       $29
         43        DO_FCALL                                      0  $34     
         44        ASSIGN                                                   !6, $34
   11    45        INIT_METHOD_CALL                                         !0, 'add'
         46        NEW                                              $36     'DateInterval'
         47        CONCAT                                           ~37     'P', !5
         48        CONCAT                                           ~38     ~37, 'D'
         49        SEND_VAL_EX                                              ~38
         50        DO_FCALL                                      0          
         51        SEND_VAR_NO_REF_EX                                       $36
         52        DO_FCALL                                      0  $40     
         53        ASSIGN                                                   !7, $40
   13    54        INIT_FCALL                                               'printf'
         55        SEND_VAL                                                 'STD%3A++%25s+%3D+%25s%0AISOM%3A+%25s+%3D+%25s%0AISOS%3A+%25s+%3D+%25s%0A%0A'
         56        SEND_VAR                                                 !3
         57        INIT_METHOD_CALL                                         !4, 'format'
         58        SEND_VAL_EX                                              'l'
         59        DO_FCALL                                      0  $42     
         60        SEND_VAR                                                 $42
         61        SEND_VAR                                                 !5
         62        INIT_METHOD_CALL                                         !6, 'format'
         63        SEND_VAL_EX                                              'l'
         64        DO_FCALL                                      0  $43     
         65        SEND_VAR                                                 $43
         66        SEND_VAR                                                 !5
         67        INIT_METHOD_CALL                                         !7, 'format'
         68        SEND_VAL_EX                                              'l'
         69        DO_FCALL                                      0  $44     
         70        SEND_VAR                                                 $44
         71        DO_ICALL                                                 
    5    72      > JMP                                                      ->17
         73    >   FE_FREE                                                  $18
   14    74      > RETURN                                                   1

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