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<?php $baseDate = new DateTime('2017-01-01', new DateTimezone('UTC')); $endDate = clone $baseDate; for($i = 1; $i <= 4; ++$i) { $m = $i*15; $duration = new DateInterval("PT{$m}M"); $endDate->add($duration); } $totalDuration = $baseDate->diff($endDate); var_dump($totalDuration); echo $totalDuration->format('%a days, %h hours, %i minutes');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 12
Branch analysis from position: 27
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 27, Position 2 = 12
Branch analysis from position: 27
Branch analysis from position: 12
filename:       /in/tPWTm
function name:  (null)
number of ops:  39
compiled vars:  !0 = $baseDate, !1 = $endDate, !2 = $i, !3 = $m, !4 = $duration, !5 = $totalDuration
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $6      'DateTime'
          1        SEND_VAL_EX                                              '2017-01-01'
          2        NEW                                              $7      'DateTimezone'
          3        SEND_VAL_EX                                              'UTC'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $7
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $6
    4     8        CLONE                                            ~11     !0
          9        ASSIGN                                                   !1, ~11
    5    10        ASSIGN                                                   !2, 1
         11      > JMP                                                      ->25
    6    12    >   MUL                                              ~14     !2, 15
         13        ASSIGN                                                   !3, ~14
    7    14        NEW                                              $16     'DateInterval'
         15        ROPE_INIT                                     3  ~18     'PT'
         16        ROPE_ADD                                      1  ~18     ~18, !3
         17        ROPE_END                                      2  ~17     ~18, 'M'
         18        SEND_VAL_EX                                              ~17
         19        DO_FCALL                                      0          
         20        ASSIGN                                                   !4, $16
    8    21        INIT_METHOD_CALL                                         !1, 'add'
         22        SEND_VAR_EX                                              !4
         23        DO_FCALL                                      0          
    5    24        PRE_INC                                                  !2
         25    >   IS_SMALLER_OR_EQUAL                                      !2, 4
         26      > JMPNZ                                                    ~24, ->12
   11    27    >   INIT_METHOD_CALL                                         !0, 'diff'
         28        SEND_VAR_EX                                              !1
         29        DO_FCALL                                      0  $25     
         30        ASSIGN                                                   !5, $25
   12    31        INIT_FCALL                                               'var_dump'
         32        SEND_VAR                                                 !5
         33        DO_ICALL                                                 
   14    34        INIT_METHOD_CALL                                         !5, 'format'
         35        SEND_VAL_EX                                              '%25a+days%2C+%25h+hours%2C+%25i+minutes'
         36        DO_FCALL                                      0  $28     
         37        ECHO                                                     $28
         38      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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151.65 ms | 1388 KiB | 15 Q