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<?php $interval = DateInterval::createFromDateString('-1 year'); $date = new DateTime('2016-06-12'); var_dump($date->add($interval)->format('c'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ufYCh
function name:  (null)
number of ops:  18
compiled vars:  !0 = $interval, !1 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_STATIC_METHOD_CALL                                  'DateInterval', 'createFromDateString'
          1        SEND_VAL                                                 '-1+year'
          2        DO_FCALL                                      0  $2      
          3        ASSIGN                                                   !0, $2
    4     4        NEW                                              $4      'DateTime'
          5        SEND_VAL_EX                                              '2016-06-12'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $4
    5     8        INIT_FCALL                                               'var_dump'
          9        INIT_METHOD_CALL                                         !1, 'add'
         10        SEND_VAR_EX                                              !0
         11        DO_FCALL                                      0  $7      
         12        INIT_METHOD_CALL                                         $7, 'format'
         13        SEND_VAL_EX                                              'c'
         14        DO_FCALL                                      0  $8      
         15        SEND_VAR                                                 $8
         16        DO_ICALL                                                 
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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