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<?php function getDates(DateTime $date) { $day = $date->format('d'); if ($day == 20) { $nextMonth = clone $date; $nextMonth->modify('-1 day'); $nextMonth->modify('+1 month'); return [ 'start' => $date, 'end' => $nextMonth, ]; } else if ($day == 19) { $lastMonth = clone $date; $lastMonth->modify('+1 day'); $lastMonth->modify('-1 month'); return [ 'start' => $lastMonth, 'end' => $date, ]; } elseif ($day > 20) { $start = new DateTime($date->format('Y-m-20 H:i:s')); } else { $start = new DateTime($date->format('Y-m-20 H:i:s')); $start->modify('-1 month'); } $end = clone $start; $end->modify('+1 month'); $end->modify('-1 day'); return [ 'start' => $start, 'end' => $end, ]; } $date = new DateTime('2017-09-20'); var_dump(getDates($date)); $date = new DateTime('2017-09-19'); var_dump(getDates($date)); $date = new DateTime('2017-09-15'); var_dump(getDates($date)); $date = new DateTime('2017-08-23'); var_dump(getDates($date));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/e0t56
function name:  (null)
number of ops:  41
compiled vars:  !0 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   37     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '2017-09-20'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
   38     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'getdates'
          6        SEND_VAR                                                 !0
          7        DO_FCALL                                      0  $4      
          8        SEND_VAR                                                 $4
          9        DO_ICALL                                                 
   40    10        NEW                                              $6      'DateTime'
         11        SEND_VAL_EX                                              '2017-09-19'
         12        DO_FCALL                                      0          
         13        ASSIGN                                                   !0, $6
   41    14        INIT_FCALL                                               'var_dump'
         15        INIT_FCALL                                               'getdates'
         16        SEND_VAR                                                 !0
         17        DO_FCALL                                      0  $9      
         18        SEND_VAR                                                 $9
         19        DO_ICALL                                                 
   43    20        NEW                                              $11     'DateTime'
         21        SEND_VAL_EX                                              '2017-09-15'
         22        DO_FCALL                                      0          
         23        ASSIGN                                                   !0, $11
   44    24        INIT_FCALL                                               'var_dump'
         25        INIT_FCALL                                               'getdates'
         26        SEND_VAR                                                 !0
         27        DO_FCALL                                      0  $14     
         28        SEND_VAR                                                 $14
         29        DO_ICALL                                                 
   46    30        NEW                                              $16     'DateTime'
         31        SEND_VAL_EX                                              '2017-08-23'
         32        DO_FCALL                                      0          
         33        ASSIGN                                                   !0, $16
   47    34        INIT_FCALL                                               'var_dump'
         35        INIT_FCALL                                               'getdates'
         36        SEND_VAR                                                 !0
         37        DO_FCALL                                      0  $19     
         38        SEND_VAR                                                 $19
         39        DO_ICALL                                                 
         40      > RETURN                                                   1

Function getdates:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 19
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 19
2 jumps found. (Code = 43) Position 1 = 21, Position 2 = 33
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 33
2 jumps found. (Code = 43) Position 1 = 35, Position 2 = 43
Branch analysis from position: 35
1 jumps found. (Code = 42) Position 1 = 53
Branch analysis from position: 53
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 43
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/e0t56
function name:  getDates
number of ops:  65
compiled vars:  !0 = $date, !1 = $day, !2 = $nextMonth, !3 = $lastMonth, !4 = $start, !5 = $end
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        INIT_METHOD_CALL                                         !0, 'format'
          2        SEND_VAL_EX                                              'd'
          3        DO_FCALL                                      0  $6      
          4        ASSIGN                                                   !1, $6
    5     5        IS_EQUAL                                                 !1, 20
          6      > JMPZ                                                     ~8, ->19
    6     7    >   CLONE                                            ~9      !0
          8        ASSIGN                                                   !2, ~9
    7     9        INIT_METHOD_CALL                                         !2, 'modify'
         10        SEND_VAL_EX                                              '-1+day'
         11        DO_FCALL                                      0          
    8    12        INIT_METHOD_CALL                                         !2, 'modify'
         13        SEND_VAL_EX                                              '%2B1+month'
         14        DO_FCALL                                      0          
   10    15        INIT_ARRAY                                       ~13     !0, 'start'
   11    16        ADD_ARRAY_ELEMENT                                ~13     !2, 'end'
         17      > RETURN                                                   ~13
         18*       JMP                                                      ->53
   13    19    >   IS_EQUAL                                                 !1, 19
         20      > JMPZ                                                     ~14, ->33
   14    21    >   CLONE                                            ~15     !0
         22        ASSIGN                                                   !3, ~15
   15    23        INIT_METHOD_CALL                                         !3, 'modify'
         24        SEND_VAL_EX                                              '%2B1+day'
         25        DO_FCALL                                      0          
   16    26        INIT_METHOD_CALL                                         !3, 'modify'
         27        SEND_VAL_EX                                              '-1+month'
         28        DO_FCALL                                      0          
   18    29        INIT_ARRAY                                       ~19     !3, 'start'
   19    30        ADD_ARRAY_ELEMENT                                ~19     !0, 'end'
         31      > RETURN                                                   ~19
         32*       JMP                                                      ->53
   21    33    >   IS_SMALLER                                               20, !1
         34      > JMPZ                                                     ~20, ->43
   22    35    >   NEW                                              $21     'DateTime'
         36        INIT_METHOD_CALL                                         !0, 'format'
         37        SEND_VAL_EX                                              'Y-m-20+H%3Ai%3As'
         38        DO_FCALL                                      0  $22     
         39        SEND_VAR_NO_REF_EX                                       $22
         40        DO_FCALL                                      0          
         41        ASSIGN                                                   !4, $21
         42      > JMP                                                      ->53
   24    43    >   NEW                                              $25     'DateTime'
         44        INIT_METHOD_CALL                                         !0, 'format'
         45        SEND_VAL_EX                                              'Y-m-20+H%3Ai%3As'
         46        DO_FCALL                                      0  $26     
         47        SEND_VAR_NO_REF_EX                                       $26
         48        DO_FCALL                                      0          
         49        ASSIGN                                                   !4, $25
   25    50        INIT_METHOD_CALL                                         !4, 'modify'
         51        SEND_VAL_EX                                              '-1+month'
         52        DO_FCALL                                      0          
   27    53    >   CLONE                                            ~30     !4
         54        ASSIGN                                                   !5, ~30
   28    55        INIT_METHOD_CALL                                         !5, 'modify'
         56        SEND_VAL_EX                                              '%2B1+month'
         57        DO_FCALL                                      0          
   29    58        INIT_METHOD_CALL                                         !5, 'modify'
         59        SEND_VAL_EX                                              '-1+day'
         60        DO_FCALL                                      0          
   31    61        INIT_ARRAY                                       ~34     !4, 'start'
   32    62        ADD_ARRAY_ELEMENT                                ~34     !5, 'end'
         63      > RETURN                                                   ~34
   34    64*     > RETURN                                                   null

End of function getdates

Generated using Vulcan Logic Dumper, using php 8.0.0


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