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<?php date_default_timezone_set('Europe/Berlin'); $dt = new DateTimeImmutable('2008-03-01T13:00:00Z'); var_dump($dt, $dt->getOffset(), $dt->modify('+6month'), $dt->modify('+6month')->getOffset()); var_dump(DateTimeImmutable::createFromFormat('Y-m-d\\TH:i:sT', '2008-03-01T13:00:00Z')); var_dump(DateTimeImmutable::createFromFormat('Y-m-d\\TH:i:sO', '2008-03-01T13:00:00Z')); var_dump(DateTimeImmutable::createFromFormat('Y-m-d\\TH:i:sP', '2008-03-01T13:00:00Z')); $dp = DatePeriod::createFromISO8601String('R1/2008-03-01T13:00:00Z/P1Y2M10DT2H30M'); foreach ($dp as $d) { var_dump($d); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 49, Position 2 = 54
Branch analysis from position: 49
2 jumps found. (Code = 78) Position 1 = 50, Position 2 = 54
Branch analysis from position: 50
1 jumps found. (Code = 42) Position 1 = 49
Branch analysis from position: 49
Branch analysis from position: 54
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 54
filename:       /in/u2fmJ
function name:  (null)
number of ops:  56
compiled vars:  !0 = $dt, !1 = $dp, !2 = $d
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                                   'date_default_timezone_set'
          1        SEND_VAL                                                     'Europe%2FBerlin'
          2        DO_ICALL                                                     
    3     3        NEW                                                  $4      'DateTimeImmutable'
          4        SEND_VAL_EX                                                  '2008-03-01T13%3A00%3A00Z'
          5        DO_FCALL                                          0          
          6        ASSIGN                                                       !0, $4
    4     7        INIT_FCALL                                                   'var_dump'
          8        SEND_VAR                                                     !0
          9        INIT_METHOD_CALL                                             !0, 'getOffset'
         10        DO_FCALL                                          0  $7      
         11        SEND_VAR                                                     $7
         12        INIT_METHOD_CALL                                             !0, 'modify'
         13        SEND_VAL_EX                                                  '%2B6month'
         14        DO_FCALL                                          0  $8      
         15        SEND_VAR                                                     $8
         16        INIT_METHOD_CALL                                             !0, 'modify'
         17        SEND_VAL_EX                                                  '%2B6month'
         18        DO_FCALL                                          0  $9      
         19        INIT_METHOD_CALL                                             $9, 'getOffset'
         20        DO_FCALL                                          0  $10     
         21        SEND_VAR                                                     $10
         22        DO_ICALL                                                     
    6    23        INIT_FCALL                                                   'var_dump'
         24        INIT_STATIC_METHOD_CALL                                      'DateTimeImmutable', 'createFromFormat'
         25        SEND_VAL                                                     'Y-m-d%5CTH%3Ai%3AsT'
         26        SEND_VAL                                                     '2008-03-01T13%3A00%3A00Z'
         27        DO_FCALL                                          0  $12     
         28        SEND_VAR                                                     $12
         29        DO_ICALL                                                     
    7    30        INIT_FCALL                                                   'var_dump'
         31        INIT_STATIC_METHOD_CALL                                      'DateTimeImmutable', 'createFromFormat'
         32        SEND_VAL                                                     'Y-m-d%5CTH%3Ai%3AsO'
         33        SEND_VAL                                                     '2008-03-01T13%3A00%3A00Z'
         34        DO_FCALL                                          0  $14     
         35        SEND_VAR                                                     $14
         36        DO_ICALL                                                     
    8    37        INIT_FCALL                                                   'var_dump'
         38        INIT_STATIC_METHOD_CALL                                      'DateTimeImmutable', 'createFromFormat'
         39        SEND_VAL                                                     'Y-m-d%5CTH%3Ai%3AsP'
         40        SEND_VAL                                                     '2008-03-01T13%3A00%3A00Z'
         41        DO_FCALL                                          0  $16     
         42        SEND_VAR                                                     $16
         43        DO_ICALL                                                     
   10    44        INIT_STATIC_METHOD_CALL                                      'DatePeriod', 'createFromISO8601String'
         45        SEND_VAL                                                     'R1%2F2008-03-01T13%3A00%3A00Z%2FP1Y2M10DT2H30M'
         46        DO_FCALL                                          0  $18     
         47        ASSIGN                                                       !1, $18
   11    48      > FE_RESET_R                                           $20     !1, ->54
         49    > > FE_FETCH_R                                                   $20, !2, ->54
   12    50    >   INIT_FCALL                                                   'var_dump'
         51        SEND_VAR                                                     !2
         52        DO_ICALL                                                     
   11    53      > JMP                                                          ->49
         54    >   FE_FREE                                                      $20
   13    55      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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