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<?php date_default_timezone_set('Europe/Amsterdam'); $baseDate = new DateTimeImmutable('2022-03-27 01:30:00'); echo $baseDate->add(new DateInterval('PT1H'))->format('Y-m-d H:i:s') . PHP_EOL; echo $baseDate->add(new DateInterval('PT2H'))->format('Y-m-d H:i:s') . PHP_EOL; echo $baseDate->add(new DateInterval('PT1H'))->add(new DateInterval('PT1H'))->format('Y-m-d H:i:s') . PHP_EOL;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/HQmqn
function name:  (null)
number of ops:  47
compiled vars:  !0 = $baseDate
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                                   'date_default_timezone_set'
          1        SEND_VAL                                                     'Europe%2FAmsterdam'
          2        DO_ICALL                                                     
    3     3        NEW                                                  $2      'DateTimeImmutable'
          4        SEND_VAL_EX                                                  '2022-03-27+01%3A30%3A00'
          5        DO_FCALL                                          0          
          6        ASSIGN                                                       !0, $2
    4     7        INIT_METHOD_CALL                                             !0, 'add'
          8        NEW                                                  $5      'DateInterval'
          9        SEND_VAL_EX                                                  'PT1H'
         10        DO_FCALL                                          0          
         11        SEND_VAR_NO_REF_EX                                           $5
         12        DO_FCALL                                          0  $7      
         13        INIT_METHOD_CALL                                             $7, 'format'
         14        SEND_VAL_EX                                                  'Y-m-d+H%3Ai%3As'
         15        DO_FCALL                                          0  $8      
         16        CONCAT                                               ~9      $8, '%0A'
         17        ECHO                                                         ~9
    5    18        INIT_METHOD_CALL                                             !0, 'add'
         19        NEW                                                  $10     'DateInterval'
         20        SEND_VAL_EX                                                  'PT2H'
         21        DO_FCALL                                          0          
         22        SEND_VAR_NO_REF_EX                                           $10
         23        DO_FCALL                                          0  $12     
         24        INIT_METHOD_CALL                                             $12, 'format'
         25        SEND_VAL_EX                                                  'Y-m-d+H%3Ai%3As'
         26        DO_FCALL                                          0  $13     
         27        CONCAT                                               ~14     $13, '%0A'
         28        ECHO                                                         ~14
    6    29        INIT_METHOD_CALL                                             !0, 'add'
         30        NEW                                                  $15     'DateInterval'
         31        SEND_VAL_EX                                                  'PT1H'
         32        DO_FCALL                                          0          
         33        SEND_VAR_NO_REF_EX                                           $15
         34        DO_FCALL                                          0  $17     
         35        INIT_METHOD_CALL                                             $17, 'add'
         36        NEW                                                  $18     'DateInterval'
         37        SEND_VAL_EX                                                  'PT1H'
         38        DO_FCALL                                          0          
         39        SEND_VAR_NO_REF_EX                                           $18
         40        DO_FCALL                                          0  $20     
         41        INIT_METHOD_CALL                                             $20, 'format'
         42        SEND_VAL_EX                                                  'Y-m-d+H%3Ai%3As'
         43        DO_FCALL                                          0  $21     
         44        CONCAT                                               ~22     $21, '%0A'
         45        ECHO                                                         ~22
    7    46      > RETURN                                                       1

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