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<?php $dateTime = new DateTime('1 day ago', new DateTimeZone('Europe/Amsterdam')); printf("%s\t%s\n", $dateTime->format('Y-m-d H:i:s'), $dateTime->getTimezone()->getOffset($dateTime)); $dateTime->modify('-1 month'); printf("%s\t%s\n", $dateTime->format('Y-m-d H:i:s'), $dateTime->getTimezone()->getOffset($dateTime)); $dateTime->modify('+1 month'); printf("%s\t%s\n", $dateTime->format('Y-m-d H:i:s'), $dateTime->getTimezone()->getOffset($dateTime)); $dateTime->modify('next month'); printf("%s\t%s\n", $dateTime->format('Y-m-d H:i:s'), $dateTime->getTimezone()->getOffset($dateTime));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/uIB8D
function name:  (null)
number of ops:  70
compiled vars:  !0 = $dateTime
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '1+day+ago'
          2        NEW                                              $2      'DateTimeZone'
          3        SEND_VAL_EX                                              'Europe%2FAmsterdam'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $2
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $1
    5     8        INIT_FCALL                                               'printf'
          9        SEND_VAL                                                 '%25s%09%25s%0A'
         10        INIT_METHOD_CALL                                         !0, 'format'
         11        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         12        DO_FCALL                                      0  $6      
         13        SEND_VAR                                                 $6
         14        INIT_METHOD_CALL                                         !0, 'getTimezone'
         15        DO_FCALL                                      0  $7      
         16        INIT_METHOD_CALL                                         $7, 'getOffset'
         17        SEND_VAR_EX                                              !0
         18        DO_FCALL                                      0  $8      
         19        SEND_VAR                                                 $8
         20        DO_ICALL                                                 
    7    21        INIT_METHOD_CALL                                         !0, 'modify'
         22        SEND_VAL_EX                                              '-1+month'
         23        DO_FCALL                                      0          
    9    24        INIT_FCALL                                               'printf'
         25        SEND_VAL                                                 '%25s%09%25s%0A'
         26        INIT_METHOD_CALL                                         !0, 'format'
         27        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         28        DO_FCALL                                      0  $11     
         29        SEND_VAR                                                 $11
         30        INIT_METHOD_CALL                                         !0, 'getTimezone'
         31        DO_FCALL                                      0  $12     
         32        INIT_METHOD_CALL                                         $12, 'getOffset'
         33        SEND_VAR_EX                                              !0
         34        DO_FCALL                                      0  $13     
         35        SEND_VAR                                                 $13
         36        DO_ICALL                                                 
   11    37        INIT_METHOD_CALL                                         !0, 'modify'
         38        SEND_VAL_EX                                              '%2B1+month'
         39        DO_FCALL                                      0          
   13    40        INIT_FCALL                                               'printf'
         41        SEND_VAL                                                 '%25s%09%25s%0A'
         42        INIT_METHOD_CALL                                         !0, 'format'
         43        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         44        DO_FCALL                                      0  $16     
         45        SEND_VAR                                                 $16
         46        INIT_METHOD_CALL                                         !0, 'getTimezone'
         47        DO_FCALL                                      0  $17     
         48        INIT_METHOD_CALL                                         $17, 'getOffset'
         49        SEND_VAR_EX                                              !0
         50        DO_FCALL                                      0  $18     
         51        SEND_VAR                                                 $18
         52        DO_ICALL                                                 
   15    53        INIT_METHOD_CALL                                         !0, 'modify'
         54        SEND_VAL_EX                                              'next+month'
         55        DO_FCALL                                      0          
   17    56        INIT_FCALL                                               'printf'
         57        SEND_VAL                                                 '%25s%09%25s%0A'
         58        INIT_METHOD_CALL                                         !0, 'format'
         59        SEND_VAL_EX                                              'Y-m-d+H%3Ai%3As'
         60        DO_FCALL                                      0  $21     
         61        SEND_VAR                                                 $21
         62        INIT_METHOD_CALL                                         !0, 'getTimezone'
         63        DO_FCALL                                      0  $22     
         64        INIT_METHOD_CALL                                         $22, 'getOffset'
         65        SEND_VAR_EX                                              !0
         66        DO_FCALL                                      0  $23     
         67        SEND_VAR                                                 $23
         68        DO_ICALL                                                 
         69      > RETURN                                                   1

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