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<?php $period = new \DatePeriod( (new Chronos("last day of -$months month"))->setTime(23, 59, 59, 999), new \DateInterval('P1M'), new Chronos() ); foreach ($period as $until) { var_dump($until); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 24, Position 2 = 29
Branch analysis from position: 24
2 jumps found. (Code = 78) Position 1 = 25, Position 2 = 29
Branch analysis from position: 25
1 jumps found. (Code = 42) Position 1 = 24
Branch analysis from position: 24
Branch analysis from position: 29
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 29
filename:       /in/o4RAt
function name:  (null)
number of ops:  31
compiled vars:  !0 = $period, !1 = $months, !2 = $until
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'DatePeriod'
    4     1        NEW                                              $4      'Chronos'
          2        ROPE_INIT                                     3  ~6      'last+day+of+-'
          3        ROPE_ADD                                      1  ~6      ~6, !1
          4        ROPE_END                                      2  ~5      ~6, '+month'
          5        SEND_VAL_EX                                              ~5
          6        DO_FCALL                                      0          
          7        INIT_METHOD_CALL                                         $4, 'setTime'
          8        SEND_VAL_EX                                              23
          9        SEND_VAL_EX                                              59
         10        SEND_VAL_EX                                              59
         11        SEND_VAL_EX                                              999
         12        DO_FCALL                                      0  $9      
         13        SEND_VAR_NO_REF_EX                                       $9
    5    14        NEW                                              $10     'DateInterval'
         15        SEND_VAL_EX                                              'P1M'
         16        DO_FCALL                                      0          
         17        SEND_VAR_NO_REF_EX                                       $10
    6    18        NEW                                              $12     'Chronos'
         19        DO_FCALL                                      0          
         20        SEND_VAR_NO_REF_EX                                       $12
         21        DO_FCALL                                      0          
    3    22        ASSIGN                                                   !0, $3
    9    23      > FE_RESET_R                                       $16     !0, ->29
         24    > > FE_FETCH_R                                               $16, !2, ->29
   10    25    >   INIT_FCALL                                               'var_dump'
         26        SEND_VAR                                                 !2
         27        DO_ICALL                                                 
    9    28      > JMP                                                      ->24
         29    >   FE_FREE                                                  $16
   11    30      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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