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<?php $expected = new DateTimeImmutable('2015-08-31 01:02:04.456790'); var_dump($expected); $date1 = new DateTimeImmutable('2015-08-31 01:02:03.456789'); $date1 = $date1->modify('1 seconds 1 microseconds'); var_dump($date1); var_dump($expected == $date1); $date2 = new DateTimeImmutable('2015-08-31 01:02:03.456788'); $date2 = $date2->modify('1 seconds 2 microseconds'); var_dump($date2); var_dump($expected == $date2);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/c54Dt
function name:  (null)
number of ops:  38
compiled vars:  !0 = $expected, !1 = $date1, !2 = $date2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'DateTimeImmutable'
          1        SEND_VAL_EX                                              '2015-08-31+01%3A02%3A04.456790'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    4     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
    6     7        NEW                                              $7      'DateTimeImmutable'
          8        SEND_VAL_EX                                              '2015-08-31+01%3A02%3A03.456789'
          9        DO_FCALL                                      0          
         10        ASSIGN                                                   !1, $7
    7    11        INIT_METHOD_CALL                                         !1, 'modify'
         12        SEND_VAL_EX                                              '1+seconds+1+microseconds'
         13        DO_FCALL                                      0  $10     
         14        ASSIGN                                                   !1, $10
    8    15        INIT_FCALL                                               'var_dump'
         16        SEND_VAR                                                 !1
         17        DO_ICALL                                                 
    9    18        INIT_FCALL                                               'var_dump'
         19        IS_EQUAL                                         ~13     !0, !1
         20        SEND_VAL                                                 ~13
         21        DO_ICALL                                                 
   11    22        NEW                                              $15     'DateTimeImmutable'
         23        SEND_VAL_EX                                              '2015-08-31+01%3A02%3A03.456788'
         24        DO_FCALL                                      0          
         25        ASSIGN                                                   !2, $15
   12    26        INIT_METHOD_CALL                                         !2, 'modify'
         27        SEND_VAL_EX                                              '1+seconds+2+microseconds'
         28        DO_FCALL                                      0  $18     
         29        ASSIGN                                                   !2, $18
   13    30        INIT_FCALL                                               'var_dump'
         31        SEND_VAR                                                 !2
         32        DO_ICALL                                                 
   14    33        INIT_FCALL                                               'var_dump'
         34        IS_EQUAL                                         ~21     !0, !2
         35        SEND_VAL                                                 ~21
         36        DO_ICALL                                                 
         37      > RETURN                                                   1

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