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<?php $tz = new DateTimeZone('Europe/Brussels'); $a = new DateTime('2014-10-26T02:15:00', $tz); echo $a->format('c'); echo $a->sub(new DateInterval('PT30M'))->format('c'); echo ' '; $b = new DateTime('2014-10-26T01:45:00', $tz); echo $b->add(new DateInterval('PT30M'))->format('c');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/C2ieG
function name:  (null)
number of ops:  40
compiled vars:  !0 = $tz, !1 = $a, !2 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $3      'DateTimeZone'
          1        SEND_VAL_EX                                              'Europe%2FBrussels'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    3     4        NEW                                              $6      'DateTime'
          5        SEND_VAL_EX                                              '2014-10-26T02%3A15%3A00'
          6        SEND_VAR_EX                                              !0
          7        DO_FCALL                                      0          
          8        ASSIGN                                                   !1, $6
    4     9        INIT_METHOD_CALL                                         !1, 'format'
         10        SEND_VAL_EX                                              'c'
         11        DO_FCALL                                      0  $9      
         12        ECHO                                                     $9
    5    13        INIT_METHOD_CALL                                         !1, 'sub'
         14        NEW                                              $10     'DateInterval'
         15        SEND_VAL_EX                                              'PT30M'
         16        DO_FCALL                                      0          
         17        SEND_VAR_NO_REF_EX                                       $10
         18        DO_FCALL                                      0  $12     
         19        INIT_METHOD_CALL                                         $12, 'format'
         20        SEND_VAL_EX                                              'c'
         21        DO_FCALL                                      0  $13     
         22        ECHO                                                     $13
    7    23        ECHO                                                     '+'
    8    24        NEW                                              $14     'DateTime'
         25        SEND_VAL_EX                                              '2014-10-26T01%3A45%3A00'
         26        SEND_VAR_EX                                              !0
         27        DO_FCALL                                      0          
         28        ASSIGN                                                   !2, $14
    9    29        INIT_METHOD_CALL                                         !2, 'add'
         30        NEW                                              $17     'DateInterval'
         31        SEND_VAL_EX                                              'PT30M'
         32        DO_FCALL                                      0          
         33        SEND_VAR_NO_REF_EX                                       $17
         34        DO_FCALL                                      0  $19     
         35        INIT_METHOD_CALL                                         $19, 'format'
         36        SEND_VAL_EX                                              'c'
         37        DO_FCALL                                      0  $20     
         38        ECHO                                                     $20
         39      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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