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<?php $date = new DateTime('2015-12-31'); $date->add(new DateInterval('P1M')); echo $date->format('d.m.Y'); $date->add(new DateInterval('P1M')); echo $date->format('d.m.Y');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/WSQ9s
function name:  (null)
number of ops:  25
compiled vars:  !0 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '2015-12-31'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
    5     4        INIT_METHOD_CALL                                         !0, 'add'
          5        NEW                                              $4      'DateInterval'
          6        SEND_VAL_EX                                              'P1M'
          7        DO_FCALL                                      0          
          8        SEND_VAR_NO_REF_EX                                       $4
          9        DO_FCALL                                      0          
    7    10        INIT_METHOD_CALL                                         !0, 'format'
         11        SEND_VAL_EX                                              'd.m.Y'
         12        DO_FCALL                                      0  $7      
         13        ECHO                                                     $7
    9    14        INIT_METHOD_CALL                                         !0, 'add'
         15        NEW                                              $8      'DateInterval'
         16        SEND_VAL_EX                                              'P1M'
         17        DO_FCALL                                      0          
         18        SEND_VAR_NO_REF_EX                                       $8
         19        DO_FCALL                                      0          
   11    20        INIT_METHOD_CALL                                         !0, 'format'
         21        SEND_VAL_EX                                              'd.m.Y'
         22        DO_FCALL                                      0  $11     
         23        ECHO                                                     $11
         24      > RETURN                                                   1

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