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<?php date_default_timezone_set(‘UTC’); $date = new DateTime('2000-12-31'); $date->add(new DateInterval('P1M')); var_dump($date->format('Y-m-d')); $date->add(new DateInterval('P1M')); var_dump($date->format('Y-m-d'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jIlAY
function name:  (null)
number of ops:  33
compiled vars:  !0 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   INIT_FCALL                                               'date_default_timezone_set'
          1        FETCH_CONSTANT                                   ~1      '%E2%80%98UTC%E2%80%99'
          2        SEND_VAL                                                 ~1
          3        DO_ICALL                                                 
    3     4        NEW                                              $3      'DateTime'
          5        SEND_VAL_EX                                              '2000-12-31'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $3
    4     8        INIT_METHOD_CALL                                         !0, 'add'
          9        NEW                                              $6      'DateInterval'
         10        SEND_VAL_EX                                              'P1M'
         11        DO_FCALL                                      0          
         12        SEND_VAR_NO_REF_EX                                       $6
         13        DO_FCALL                                      0          
    5    14        INIT_FCALL                                               'var_dump'
         15        INIT_METHOD_CALL                                         !0, 'format'
         16        SEND_VAL_EX                                              'Y-m-d'
         17        DO_FCALL                                      0  $9      
         18        SEND_VAR                                                 $9
         19        DO_ICALL                                                 
    7    20        INIT_METHOD_CALL                                         !0, 'add'
         21        NEW                                              $11     'DateInterval'
         22        SEND_VAL_EX                                              'P1M'
         23        DO_FCALL                                      0          
         24        SEND_VAR_NO_REF_EX                                       $11
         25        DO_FCALL                                      0          
    8    26        INIT_FCALL                                               'var_dump'
         27        INIT_METHOD_CALL                                         !0, 'format'
         28        SEND_VAL_EX                                              'Y-m-d'
         29        DO_FCALL                                      0  $14     
         30        SEND_VAR                                                 $14
         31        DO_ICALL                                                 
         32      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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