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<?php $start = new DateTimeImmutable("2019-01-01 00:00:00"); $end1 = new DateTimeImmutable("2019-02-01 00:00:00"); $end2 = new DateTimeImmutable("2019-02-01 12:00:00"); $diff1 = $start->diff($end1); $diff2 = $start->diff($end2); // Compare all of the things $diff1s = intervalToSecs($diff1); $diff2s = intervalToSecs($diff2); var_dump($diff1s); var_dump($diff2s); var_dump($diff1s == $diff2s); // false, as it should be var_dump($diff1s < $diff2s); // true, as it should be var_dump($diff1s > $diff2s); // false, as it should be function intervalToSecs(DateInterval $interval): int { $secs = $interval->s; $secs += ($interval->i * 60); $secs += ($interval->h * 60 * 60); $secs += ($interval->days * 60 * 60 * 24); return $secs; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QVSfC
function name:  (null)
number of ops:  47
compiled vars:  !0 = $start, !1 = $end1, !2 = $end2, !3 = $diff1, !4 = $diff2, !5 = $diff1s, !6 = $diff2s
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $7      'DateTimeImmutable'
          1        SEND_VAL_EX                                              '2019-01-01+00%3A00%3A00'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $7
    4     4        NEW                                              $10     'DateTimeImmutable'
          5        SEND_VAL_EX                                              '2019-02-01+00%3A00%3A00'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $10
    5     8        NEW                                              $13     'DateTimeImmutable'
          9        SEND_VAL_EX                                              '2019-02-01+12%3A00%3A00'
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !2, $13
    7    12        INIT_METHOD_CALL                                         !0, 'diff'
         13        SEND_VAR_EX                                              !1
         14        DO_FCALL                                      0  $16     
         15        ASSIGN                                                   !3, $16
    8    16        INIT_METHOD_CALL                                         !0, 'diff'
         17        SEND_VAR_EX                                              !2
         18        DO_FCALL                                      0  $18     
         19        ASSIGN                                                   !4, $18
   11    20        INIT_FCALL_BY_NAME                                       'intervalToSecs'
         21        SEND_VAR_EX                                              !3
         22        DO_FCALL                                      0  $20     
         23        ASSIGN                                                   !5, $20
   12    24        INIT_FCALL_BY_NAME                                       'intervalToSecs'
         25        SEND_VAR_EX                                              !4
         26        DO_FCALL                                      0  $22     
         27        ASSIGN                                                   !6, $22
   14    28        INIT_FCALL                                               'var_dump'
         29        SEND_VAR                                                 !5
         30        DO_ICALL                                                 
   15    31        INIT_FCALL                                               'var_dump'
         32        SEND_VAR                                                 !6
         33        DO_ICALL                                                 
   17    34        INIT_FCALL                                               'var_dump'
         35        IS_EQUAL                                         ~26     !5, !6
         36        SEND_VAL                                                 ~26
         37        DO_ICALL                                                 
   18    38        INIT_FCALL                                               'var_dump'
         39        IS_SMALLER                                       ~28     !5, !6
         40        SEND_VAL                                                 ~28
         41        DO_ICALL                                                 
   19    42        INIT_FCALL                                               'var_dump'
         43        IS_SMALLER                                       ~30     !6, !5
         44        SEND_VAL                                                 ~30
         45        DO_ICALL                                                 
   30    46      > RETURN                                                   1

Function intervaltosecs:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QVSfC
function name:  intervalToSecs
number of ops:  19
compiled vars:  !0 = $interval, !1 = $secs
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   22     0  E >   RECV                                             !0      
   24     1        FETCH_OBJ_R                                      ~2      !0, 's'
          2        ASSIGN                                                   !1, ~2
   25     3        FETCH_OBJ_R                                      ~4      !0, 'i'
          4        MUL                                              ~5      ~4, 60
          5        ASSIGN_OP                                     1          !1, ~5
   26     6        FETCH_OBJ_R                                      ~7      !0, 'h'
          7        MUL                                              ~8      ~7, 60
          8        MUL                                              ~9      ~8, 60
          9        ASSIGN_OP                                     1          !1, ~9
   27    10        FETCH_OBJ_R                                      ~11     !0, 'days'
         11        MUL                                              ~12     ~11, 60
         12        MUL                                              ~13     ~12, 60
         13        MUL                                              ~14     ~13, 24
         14        ASSIGN_OP                                     1          !1, ~14
   29    15        VERIFY_RETURN_TYPE                                       !1
         16      > RETURN                                                   !1
   30    17*       VERIFY_RETURN_TYPE                                       
         18*     > RETURN                                                   null

End of function intervaltosecs

Generated using Vulcan Logic Dumper, using php 8.0.0


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