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<?php $start = new DateTimeImmutable('2018-10-23 00:00:00'); $datetime = $start->modify('+20 hours +20 minutes'); var_dump($start->format('Y-m-d H:i:s')); var_dump($datetime->format('Y-m-d H:i:s'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oRehh
function name:  (null)
number of ops:  21
compiled vars:  !0 = $start, !1 = $datetime
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   NEW                                                  $2      'DateTimeImmutable'
          1        SEND_VAL_EX                                                  '2018-10-23+00%3A00%3A00'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $2
    4     4        INIT_METHOD_CALL                                             !0, 'modify'
          5        SEND_VAL_EX                                                  '%2B20+hours+%2B20+minutes'
          6        DO_FCALL                                          0  $5      
          7        ASSIGN                                                       !1, $5
    6     8        INIT_FCALL                                                   'var_dump'
          9        INIT_METHOD_CALL                                             !0, 'format'
         10        SEND_VAL_EX                                                  'Y-m-d+H%3Ai%3As'
         11        DO_FCALL                                          0  $7      
         12        SEND_VAR                                                     $7
         13        DO_ICALL                                                     
    7    14        INIT_FCALL                                                   'var_dump'
         15        INIT_METHOD_CALL                                             !1, 'format'
         16        SEND_VAL_EX                                                  'Y-m-d+H%3Ai%3As'
         17        DO_FCALL                                          0  $9      
         18        SEND_VAR                                                     $9
         19        DO_ICALL                                                     
         20      > RETURN                                                       1

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