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<?php date_default_timezone_set("Europe/Amsterdam"); $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/KKHlK
function name:  (null)
number of ops:  46
compiled vars:  !0 = $date, !1 = $_30mbefore, !2 = $_30mafter
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'date_default_timezone_set'
          1        SEND_VAL                                                     'Europe%2FAmsterdam'
          2        DO_ICALL                                                     
    5     3        NEW                                                  $4      'DateTime'
          4        SEND_VAL_EX                                                  '2021-03-28+03%3A00%3A00'
          5        NEW                                                  $5      'DateTimeZone'
          6        SEND_VAL_EX                                                  'Europe%2FAmsterdam'
          7        DO_FCALL                                          0          
          8        SEND_VAR_NO_REF_EX                                           $5
          9        DO_FCALL                                          0          
         10        ASSIGN                                                       !0, $4
    6    11        CLONE                                                ~9      !0
         12        INIT_METHOD_CALL                                             ~9, 'sub'
         13        NEW                                                  $10     'DateInterval'
         14        SEND_VAL_EX                                                  'PT30M'
         15        DO_FCALL                                          0          
         16        SEND_VAR_NO_REF_EX                                           $10
         17        DO_FCALL                                          0  $12     
         18        ASSIGN                                                       !1, $12
    7    19        CLONE                                                ~14     !0
         20        INIT_METHOD_CALL                                             ~14, 'add'
         21        NEW                                                  $15     'DateInterval'
         22        SEND_VAL_EX                                                  'PT30M'
         23        DO_FCALL                                          0          
         24        SEND_VAR_NO_REF_EX                                           $15
         25        DO_FCALL                                          0  $17     
         26        ASSIGN                                                       !2, $17
    9    27        INIT_FCALL                                                   'var_dump'
         28        INIT_METHOD_CALL                                             !0, 'format'
         29        SEND_VAL_EX                                                  'Y-m-d%5CTH%3Ai%3AsP'
         30        DO_FCALL                                          0  $19     
         31        SEND_VAR                                                     $19
         32        DO_ICALL                                                     
   10    33        INIT_FCALL                                                   'var_dump'
         34        INIT_METHOD_CALL                                             !1, 'format'
         35        SEND_VAL_EX                                                  'Y-m-d%5CTH%3Ai%3AsP'
         36        DO_FCALL                                          0  $21     
         37        SEND_VAR                                                     $21
         38        DO_ICALL                                                     
   11    39        INIT_FCALL                                                   'var_dump'
         40        INIT_METHOD_CALL                                             !2, 'format'
         41        SEND_VAL_EX                                                  'Y-m-d%5CTH%3Ai%3AsP'
         42        DO_FCALL                                          0  $23     
         43        SEND_VAR                                                     $23
         44        DO_ICALL                                                     
         45      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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