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<?php $date = new Datetime('2012-12-31', new DatetimeZone('UTC')); echo $date->format('r'); $date->modify('-1 month'); echo ' '; echo $date->format('r');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/shE1A
function name:  (null)
number of ops:  21
compiled vars:  !0 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'Datetime'
          1        SEND_VAL_EX                                              '2012-12-31'
          2        NEW                                              $2      'DatetimeZone'
          3        SEND_VAL_EX                                              'UTC'
          4        DO_FCALL                                      0          
          5        SEND_VAR_NO_REF_EX                                       $2
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $1
    5     8        INIT_METHOD_CALL                                         !0, 'format'
          9        SEND_VAL_EX                                              'r'
         10        DO_FCALL                                      0  $6      
         11        ECHO                                                     $6
    6    12        INIT_METHOD_CALL                                         !0, 'modify'
         13        SEND_VAL_EX                                              '-1+month'
         14        DO_FCALL                                      0          
    8    15        ECHO                                                     '+++'
    9    16        INIT_METHOD_CALL                                         !0, 'format'
         17        SEND_VAL_EX                                              'r'
         18        DO_FCALL                                      0  $8      
         19        ECHO                                                     $8
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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