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<?php $i = (new DateTime('2015-10-13'))->diff(new DateTime('1989-01-01')); var_dump($i->format('%y'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LcpTK
function name:  (null)
number of ops:  17
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '2015-10-13'
          2        DO_FCALL                                      0          
          3        INIT_METHOD_CALL                                         $1, 'diff'
          4        NEW                                              $3      'DateTime'
          5        SEND_VAL_EX                                              '1989-01-01'
          6        DO_FCALL                                      0          
          7        SEND_VAR_NO_REF_EX                                       $3
          8        DO_FCALL                                      0  $5      
          9        ASSIGN                                                   !0, $5
    4    10        INIT_FCALL                                               'var_dump'
         11        INIT_METHOD_CALL                                         !0, 'format'
         12        SEND_VAL_EX                                              '%25y'
         13        DO_FCALL                                      0  $7      
         14        SEND_VAR                                                 $7
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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