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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 8.5.0


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