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<?php $diff = (new \DateTime('00:00:00'))->diff(new \DateTime('2011-07-18 00:00:00')); $res = ((int) $diff->format('%y')) + 1; var_dump($res);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/sH7pG
function name:  (null)
number of ops:  20
compiled vars:  !0 = $diff, !1 = $res
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   NEW                                              $2      'DateTime'
          1        SEND_VAL_EX                                              '00%3A00%3A00'
          2        DO_FCALL                                      0          
          3        INIT_METHOD_CALL                                         $2, 'diff'
          4        NEW                                              $4      'DateTime'
          5        SEND_VAL_EX                                              '2011-07-18+00%3A00%3A00'
          6        DO_FCALL                                      0          
          7        SEND_VAR_NO_REF_EX                                       $4
          8        DO_FCALL                                      0  $6      
          9        ASSIGN                                                   !0, $6
    5    10        INIT_METHOD_CALL                                         !0, 'format'
         11        SEND_VAL_EX                                              '%25y'
         12        DO_FCALL                                      0  $8      
         13        CAST                                          4  ~9      $8
         14        ADD                                              ~10     ~9, 1
         15        ASSIGN                                                   !1, ~10
    8    16        INIT_FCALL                                               'var_dump'
         17        SEND_VAR                                                 !1
         18        DO_ICALL                                                 
         19      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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