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<?php $di = date_diff(\DateTime::createFromFormat('U', 1391209200), \DateTime::createFromFormat('U', 1393628400)); var_dump($di); echo date('Y-m-d H:i:s', 1393628400)."\n"; $fe = \DateTime::createFromFormat('U', 1391209200); $fe->add(new \DateInterval('P1M')); echo $fe->format('Y-m-d H:i:s')."\n"; $p1m = strtotime('+1 month', 1391209200); echo "$p1m\n"; echo date('Y-m-d H:i:s', $p1m)."\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Y7Z3F
function name:  (null)
number of ops:  53
compiled vars:  !0 = $di, !1 = $fe, !2 = $p1m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'date_diff'
          1        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          2        SEND_VAL                                                 'U'
          3        SEND_VAL                                                 1391209200
          4        DO_FCALL                                      0  $3      
          5        SEND_VAR                                                 $3
          6        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          7        SEND_VAL                                                 'U'
          8        SEND_VAL                                                 1393628400
          9        DO_FCALL                                      0  $4      
         10        SEND_VAR                                                 $4
         11        DO_ICALL                                         $5      
         12        ASSIGN                                                   !0, $5
    3    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                                 
    5    16        INIT_FCALL                                               'date'
         17        SEND_VAL                                                 'Y-m-d+H%3Ai%3As'
         18        SEND_VAL                                                 1393628400
         19        DO_ICALL                                         $8      
         20        CONCAT                                           ~9      $8, '%0A'
         21        ECHO                                                     ~9
    7    22        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
         23        SEND_VAL                                                 'U'
         24        SEND_VAL                                                 1391209200
         25        DO_FCALL                                      0  $10     
         26        ASSIGN                                                   !1, $10
    8    27        INIT_METHOD_CALL                                         !1, 'add'
         28        NEW                                              $12     'DateInterval'
         29        SEND_VAL_EX                                              'P1M'
         30        DO_FCALL                                      0          
         31        SEND_VAR_NO_REF_EX                                       $12
         32        DO_FCALL                                      0          
    9    33        INIT_METHOD_CALL                                         !1, 'format'
         34        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         35        DO_FCALL                                      0  $15     
         36        CONCAT                                           ~16     $15, '%0A'
         37        ECHO                                                     ~16
   10    38        INIT_FCALL                                               'strtotime'
         39        SEND_VAL                                                 '%2B1+month'
         40        SEND_VAL                                                 1391209200
         41        DO_ICALL                                         $17     
         42        ASSIGN                                                   !2, $17
   11    43        NOP                                                      
         44        FAST_CONCAT                                      ~19     !2, '%0A'
         45        ECHO                                                     ~19
   12    46        INIT_FCALL                                               'date'
         47        SEND_VAL                                                 'Y-m-d+H%3Ai%3As'
         48        SEND_VAR                                                 !2
         49        DO_ICALL                                         $20     
         50        CONCAT                                           ~21     $20, '%0A'
         51        ECHO                                                     ~21
         52      > RETURN                                                   1

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