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<?php $baseDate = new DateTime('2017-01-01', new DateTimezone('UTC')); $endDate = clone $baseDate; for($i = 1; $i <= 10; ++$i) { $duration = new DateInterval("PT{$i}H"); $endDate = $baseDate->add($duration); var_dump($baseDate); var_dump($endDate); }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 30
Branch analysis from position: 30
2 jumps found. (Code = 44) Position 1 = 32, Position 2 = 12
Branch analysis from position: 32
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 32, Position 2 = 12
Branch analysis from position: 32
Branch analysis from position: 12
filename:       /in/Top86
function name:  (null)
number of ops:  33
compiled vars:  !0 = $baseDate, !1 = $endDate, !2 = $i, !3 = $duration
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $4      'DateTime'
          1        SEND_VAL_EX                                              '2017-01-01'
          2        NEW                                              $5      'DateTimezone'
          3        SEND_VAL_EX                                              'UTC'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $5
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $4
    4     8        CLONE                                            ~9      !0
          9        ASSIGN                                                   !1, ~9
    6    10        ASSIGN                                                   !2, 1
         11      > JMP                                                      ->30
    7    12    >   NEW                                              $12     'DateInterval'
         13        ROPE_INIT                                     3  ~14     'PT'
         14        ROPE_ADD                                      1  ~14     ~14, !2
         15        ROPE_END                                      2  ~13     ~14, 'H'
         16        SEND_VAL_EX                                              ~13
         17        DO_FCALL                                      0          
         18        ASSIGN                                                   !3, $12
    8    19        INIT_METHOD_CALL                                         !0, 'add'
         20        SEND_VAR_EX                                              !3
         21        DO_FCALL                                      0  $18     
         22        ASSIGN                                                   !1, $18
    9    23        INIT_FCALL                                               'var_dump'
         24        SEND_VAR                                                 !0
         25        DO_ICALL                                                 
   10    26        INIT_FCALL                                               'var_dump'
         27        SEND_VAR                                                 !1
         28        DO_ICALL                                                 
    6    29        PRE_INC                                                  !2
         30    >   IS_SMALLER_OR_EQUAL                                      !2, 10
         31      > JMPNZ                                                    ~23, ->12
   11    32    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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