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<?php $date = new DateTime('2021-03-28 03:00:00', new DateTimeZone('Europe/Amsterdam')); $_30mbefore = (clone $date)->sub(new DateInterval('PT30M')); $_30mafter = (clone $date)->add(new DateInterval('PT30M')); var_dump($date->format(DATE_ATOM)); var_dump($_30mbefore->format(DATE_ATOM)); var_dump($_30mafter->format(DATE_ATOM));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/v3u2v
function name:  (null)
number of ops:  43
compiled vars:  !0 = $date, !1 = $_30mbefore, !2 = $_30mafter
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   NEW                                                  $3      'DateTime'
          1        SEND_VAL_EX                                                  '2021-03-28+03%3A00%3A00'
          2        NEW                                                  $4      'DateTimeZone'
          3        SEND_VAL_EX                                                  'Europe%2FAmsterdam'
          4        DO_FCALL                                          0          
          5        SEND_VAR_NO_REF_EX                                           $4
          6        DO_FCALL                                          0          
          7        ASSIGN                                                       !0, $3
    3     8        CLONE                                                ~8      !0
          9        INIT_METHOD_CALL                                             ~8, 'sub'
         10        NEW                                                  $9      'DateInterval'
         11        SEND_VAL_EX                                                  'PT30M'
         12        DO_FCALL                                          0          
         13        SEND_VAR_NO_REF_EX                                           $9
         14        DO_FCALL                                          0  $11     
         15        ASSIGN                                                       !1, $11
    4    16        CLONE                                                ~13     !0
         17        INIT_METHOD_CALL                                             ~13, 'add'
         18        NEW                                                  $14     'DateInterval'
         19        SEND_VAL_EX                                                  'PT30M'
         20        DO_FCALL                                          0          
         21        SEND_VAR_NO_REF_EX                                           $14
         22        DO_FCALL                                          0  $16     
         23        ASSIGN                                                       !2, $16
    6    24        INIT_FCALL                                                   'var_dump'
         25        INIT_METHOD_CALL                                             !0, 'format'
         26        SEND_VAL_EX                                                  'Y-m-d%5CTH%3Ai%3AsP'
         27        DO_FCALL                                          0  $18     
         28        SEND_VAR                                                     $18
         29        DO_ICALL                                                     
    7    30        INIT_FCALL                                                   'var_dump'
         31        INIT_METHOD_CALL                                             !1, 'format'
         32        SEND_VAL_EX                                                  'Y-m-d%5CTH%3Ai%3AsP'
         33        DO_FCALL                                          0  $20     
         34        SEND_VAR                                                     $20
         35        DO_ICALL                                                     
    8    36        INIT_FCALL                                                   'var_dump'
         37        INIT_METHOD_CALL                                             !2, 'format'
         38        SEND_VAL_EX                                                  'Y-m-d%5CTH%3Ai%3AsP'
         39        DO_FCALL                                          0  $22     
         40        SEND_VAR                                                     $22
         41        DO_ICALL                                                     
         42      > RETURN                                                       1

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