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<?php $a = new \DateTime('2016-03-13 3:00:00', new DateTimeZone('America/Los_Angeles')); echo "Original Timestamp: ".$a->getTimeStamp()."\n"; $b = clone $a; $b->sub(new \DateInterval('PT1S')); echo "Subtract 1 second Timestamp: ".$b->getTimeStamp()."\n"; print_r([$a,$b]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/35D4t
function name:  (null)
number of ops:  32
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   NEW                                                  $2      'DateTime'
          1        SEND_VAL_EX                                                  '2016-03-13+3%3A00%3A00'
          2        NEW                                                  $3      'DateTimeZone'
          3        SEND_VAL_EX                                                  'America%2FLos_Angeles'
          4        DO_FCALL                                          0          
          5        SEND_VAR_NO_REF_EX                                           $3
          6        DO_FCALL                                          0          
          7        ASSIGN                                                       !0, $2
    3     8        INIT_METHOD_CALL                                             !0, 'getTimeStamp'
          9        DO_FCALL                                          0  $7      
         10        CONCAT                                               ~8      'Original+Timestamp%3A+', $7
         11        CONCAT                                               ~9      ~8, '%0A'
         12        ECHO                                                         ~9
    4    13        CLONE                                                ~10     !0
         14        ASSIGN                                                       !1, ~10
    5    15        INIT_METHOD_CALL                                             !1, 'sub'
         16        NEW                                                  $12     'DateInterval'
         17        SEND_VAL_EX                                                  'PT1S'
         18        DO_FCALL                                          0          
         19        SEND_VAR_NO_REF_EX                                           $12
         20        DO_FCALL                                          0          
    6    21        INIT_METHOD_CALL                                             !1, 'getTimeStamp'
         22        DO_FCALL                                          0  $15     
         23        CONCAT                                               ~16     'Subtract+1+second+Timestamp%3A+', $15
         24        CONCAT                                               ~17     ~16, '%0A'
         25        ECHO                                                         ~17
    7    26        INIT_FCALL                                                   'print_r'
         27        INIT_ARRAY                                           ~18     !0
         28        ADD_ARRAY_ELEMENT                                    ~18     !1
         29        SEND_VAL                                                     ~18
         30        DO_ICALL                                                     
         31      > RETURN                                                       1

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