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<?php $d1 = new DateTime("2009-09-01"); $d2 = new DateTime("2010-05-01"); var_dump($d1->diff($d2)); var_dump($d1->diff($d2)->y); // int(4)
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8dETa
function name:  (null)
number of ops:  22
compiled vars:  !0 = $d1, !1 = $d2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   NEW                                              $2      'DateTime'
          1        SEND_VAL_EX                                              '2009-09-01'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    5     4        NEW                                              $5      'DateTime'
          5        SEND_VAL_EX                                              '2010-05-01'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $5
    8     8        INIT_FCALL                                               'var_dump'
          9        INIT_METHOD_CALL                                         !0, 'diff'
         10        SEND_VAR_EX                                              !1
         11        DO_FCALL                                      0  $8      
         12        SEND_VAR                                                 $8
         13        DO_ICALL                                                 
    9    14        INIT_FCALL                                               'var_dump'
         15        INIT_METHOD_CALL                                         !0, 'diff'
         16        SEND_VAR_EX                                              !1
         17        DO_FCALL                                      0  $10     
         18        FETCH_OBJ_R                                      ~11     $10, 'y'
         19        SEND_VAL                                                 ~11
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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