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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); // Same number of days var_dump($diff1->days == $diff2->days); // Comparing doesn't work, though var_dump($diff1 == $diff2); // true? var_export($diff1, true); var_export($diff2, true); // Now it does var_dump($diff1 == $diff2); // false, as it should be var_dump($diff1 < $diff2); // true, as it should be var_dump($diff1 > $diff2); // false, as it should be
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/5QC3W
function name:  (null)
number of ops:  51
compiled vars:  !0 = $start, !1 = $end1, !2 = $end2, !3 = $diff1, !4 = $diff2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $5      'DateTimeImmutable'
          1        SEND_VAL_EX                                              '2019-01-01+00%3A00%3A00'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $5
    4     4        NEW                                              $8      'DateTimeImmutable'
          5        SEND_VAL_EX                                              '2019-02-01+00%3A00%3A00'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $8
    5     8        NEW                                              $11     'DateTimeImmutable'
          9        SEND_VAL_EX                                              '2019-02-01+12%3A00%3A00'
         10        DO_FCALL                                      0          
         11        ASSIGN                                                   !2, $11
    7    12        INIT_METHOD_CALL                                         !0, 'diff'
         13        SEND_VAR_EX                                              !1
         14        DO_FCALL                                      0  $14     
         15        ASSIGN                                                   !3, $14
    8    16        INIT_METHOD_CALL                                         !0, 'diff'
         17        SEND_VAR_EX                                              !2
         18        DO_FCALL                                      0  $16     
         19        ASSIGN                                                   !4, $16
   11    20        INIT_FCALL                                               'var_dump'
         21        FETCH_OBJ_R                                      ~18     !3, 'days'
         22        FETCH_OBJ_R                                      ~19     !4, 'days'
         23        IS_EQUAL                                         ~20     ~18, ~19
         24        SEND_VAL                                                 ~20
         25        DO_ICALL                                                 
   14    26        INIT_FCALL                                               'var_dump'
         27        IS_EQUAL                                         ~22     !3, !4
         28        SEND_VAL                                                 ~22
         29        DO_ICALL                                                 
   16    30        INIT_FCALL                                               'var_export'
         31        SEND_VAR                                                 !3
         32        SEND_VAL                                                 <true>
         33        DO_ICALL                                                 
   17    34        INIT_FCALL                                               'var_export'
         35        SEND_VAR                                                 !4
         36        SEND_VAL                                                 <true>
         37        DO_ICALL                                                 
   20    38        INIT_FCALL                                               'var_dump'
         39        IS_EQUAL                                         ~26     !3, !4
         40        SEND_VAL                                                 ~26
         41        DO_ICALL                                                 
   21    42        INIT_FCALL                                               'var_dump'
         43        IS_SMALLER                                       ~28     !3, !4
         44        SEND_VAL                                                 ~28
         45        DO_ICALL                                                 
   22    46        INIT_FCALL                                               'var_dump'
         47        IS_SMALLER                                       ~30     !4, !3
         48        SEND_VAL                                                 ~30
         49        DO_ICALL                                                 
         50      > RETURN                                                   1

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