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<?php $i = (new DateTime())->diff(new DateTime('1989-01-01')); var_dump($i->format('%y'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3bBtS
function name:  (null)
number of ops:  16
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DateTime'
          1        DO_FCALL                                      0          
          2        INIT_METHOD_CALL                                         $1, 'diff'
          3        NEW                                              $3      'DateTime'
          4        SEND_VAL_EX                                              '1989-01-01'
          5        DO_FCALL                                      0          
          6        SEND_VAR_NO_REF_EX                                       $3
          7        DO_FCALL                                      0  $5      
          8        ASSIGN                                                   !0, $5
    4     9        INIT_FCALL                                               'var_dump'
         10        INIT_METHOD_CALL                                         !0, 'format'
         11        SEND_VAL_EX                                              '%25y'
         12        DO_FCALL                                      0  $7      
         13        SEND_VAR                                                 $7
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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