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<?php $start = DateTime::createFromFormat('U', 1347577200); $end = DateTime::createFromFormat('U', 1347580800); $diff = $start->diff($end); print 'Diff: '.$diff->h.' hours, '.$diff->i.' minutes'."\n"; $interval = DateInterval::createFromDateString('30 minutes'); var_dump($interval); $end->add($interval); $diff = $start->diff($end); print "\n".'Diff after interval: '.$diff->h.' hours, '.$diff->i.' minutes'; ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/lAJBO
function name:  (null)
number of ops:  44
compiled vars:  !0 = $start, !1 = $end, !2 = $diff, !3 = $interval
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          1        SEND_VAL                                                 'U'
          2        SEND_VAL                                                 1347577200
          3        DO_FCALL                                      0  $4      
          4        ASSIGN                                                   !0, $4
    3     5        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          6        SEND_VAL                                                 'U'
          7        SEND_VAL                                                 1347580800
          8        DO_FCALL                                      0  $6      
          9        ASSIGN                                                   !1, $6
    5    10        INIT_METHOD_CALL                                         !0, 'diff'
         11        SEND_VAR_EX                                              !1
         12        DO_FCALL                                      0  $8      
         13        ASSIGN                                                   !2, $8
    6    14        FETCH_OBJ_R                                      ~10     !2, 'h'
         15        CONCAT                                           ~11     'Diff%3A+', ~10
         16        CONCAT                                           ~12     ~11, '+hours%2C+'
         17        FETCH_OBJ_R                                      ~13     !2, 'i'
         18        CONCAT                                           ~14     ~12, ~13
         19        CONCAT                                           ~15     ~14, '+minutes'
         20        CONCAT                                           ~16     ~15, '%0A'
         21        ECHO                                                     ~16
    9    22        INIT_STATIC_METHOD_CALL                                  'DateInterval', 'createFromDateString'
         23        SEND_VAL                                                 '30+minutes'
         24        DO_FCALL                                      0  $17     
         25        ASSIGN                                                   !3, $17
   10    26        INIT_FCALL                                               'var_dump'
         27        SEND_VAR                                                 !3
         28        DO_ICALL                                                 
   12    29        INIT_METHOD_CALL                                         !1, 'add'
         30        SEND_VAR_EX                                              !3
         31        DO_FCALL                                      0          
   13    32        INIT_METHOD_CALL                                         !0, 'diff'
         33        SEND_VAR_EX                                              !1
         34        DO_FCALL                                      0  $21     
         35        ASSIGN                                                   !2, $21
   14    36        FETCH_OBJ_R                                      ~23     !2, 'h'
         37        CONCAT                                           ~24     '%0ADiff+after+interval%3A+', ~23
         38        CONCAT                                           ~25     ~24, '+hours%2C+'
         39        FETCH_OBJ_R                                      ~26     !2, 'i'
         40        CONCAT                                           ~27     ~25, ~26
         41        CONCAT                                           ~28     ~27, '+minutes'
         42        ECHO                                                     ~28
   15    43      > RETURN                                                   1

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