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<?php $time = new DateTime('01:01:01.000001'); $timeH = $time->modify('+1 hour'); echo $timeH->format('H:i:s.u') . '<br>'; // prints 02:01:01.000001 $timeM = $time->modify('+1 minute'); echo $timeM->format('H:i:s.u') . '<br>'; // prints 02:02:01.000001 $timeS = $time->modify('+1 second'); echo $timeS->format('H:i:s.u') . '<br>'; // prints 02:02:02.000001 $timeMS = $time->modify('+1 microsecond'); echo $timeMS->format('H:i:S:u') . '<br>'; // error
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NfEEh
function name:  (null)
number of ops:  41
compiled vars:  !0 = $time, !1 = $timeH, !2 = $timeM, !3 = $timeS, !4 = $timeMS
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $5      'DateTime'
          1        SEND_VAL_EX                                              '01%3A01%3A01.000001'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $5
    5     4        INIT_METHOD_CALL                                         !0, 'modify'
          5        SEND_VAL_EX                                              '%2B1+hour'
          6        DO_FCALL                                      0  $8      
          7        ASSIGN                                                   !1, $8
    6     8        INIT_METHOD_CALL                                         !1, 'format'
          9        SEND_VAL_EX                                              'H%3Ai%3As.u'
         10        DO_FCALL                                      0  $10     
         11        CONCAT                                           ~11     $10, '%3Cbr%3E'
         12        ECHO                                                     ~11
    8    13        INIT_METHOD_CALL                                         !0, 'modify'
         14        SEND_VAL_EX                                              '%2B1+minute'
         15        DO_FCALL                                      0  $12     
         16        ASSIGN                                                   !2, $12
    9    17        INIT_METHOD_CALL                                         !2, 'format'
         18        SEND_VAL_EX                                              'H%3Ai%3As.u'
         19        DO_FCALL                                      0  $14     
         20        CONCAT                                           ~15     $14, '%3Cbr%3E'
         21        ECHO                                                     ~15
   11    22        INIT_METHOD_CALL                                         !0, 'modify'
         23        SEND_VAL_EX                                              '%2B1+second'
         24        DO_FCALL                                      0  $16     
         25        ASSIGN                                                   !3, $16
   12    26        INIT_METHOD_CALL                                         !3, 'format'
         27        SEND_VAL_EX                                              'H%3Ai%3As.u'
         28        DO_FCALL                                      0  $18     
         29        CONCAT                                           ~19     $18, '%3Cbr%3E'
         30        ECHO                                                     ~19
   14    31        INIT_METHOD_CALL                                         !0, 'modify'
         32        SEND_VAL_EX                                              '%2B1+microsecond'
         33        DO_FCALL                                      0  $20     
         34        ASSIGN                                                   !4, $20
   15    35        INIT_METHOD_CALL                                         !4, 'format'
         36        SEND_VAL_EX                                              'H%3Ai%3AS%3Au'
         37        DO_FCALL                                      0  $22     
         38        CONCAT                                           ~23     $22, '%3Cbr%3E'
         39        ECHO                                                     ~23
         40      > RETURN                                                   1

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