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<?php $from = new DateTime('24 June 1940'); $till = new DateTime('now'); list($fromYear, $fromDay) = explode(' ', $from->format('Y z')); list($tillYear, $tillDay) = explode(' ', $till->format('Y z')); $age = $tillYear - $fromYear - ($tillDay < $fromDay); print $age;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GuCvW
function name:  (null)
number of ops:  38
compiled vars:  !0 = $from, !1 = $till, !2 = $fromYear, !3 = $fromDay, !4 = $tillYear, !5 = $tillDay, !6 = $age
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $7      'DateTime'
          1        SEND_VAL_EX                                              '24+June+1940'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $7
    4     4        NEW                                              $10     'DateTime'
          5        SEND_VAL_EX                                              'now'
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !1, $10
    7     8        INIT_FCALL                                               'explode'
          9        SEND_VAL                                                 '+'
         10        INIT_METHOD_CALL                                         !0, 'format'
         11        SEND_VAL_EX                                              'Y+z'
         12        DO_FCALL                                      0  $13     
         13        SEND_VAR                                                 $13
         14        DO_ICALL                                         $14     
         15        FETCH_LIST_R                                     $15     $14, 0
         16        ASSIGN                                                   !2, $15
         17        FETCH_LIST_R                                     $17     $14, 1
         18        ASSIGN                                                   !3, $17
         19        FREE                                                     $14
    8    20        INIT_FCALL                                               'explode'
         21        SEND_VAL                                                 '+'
         22        INIT_METHOD_CALL                                         !1, 'format'
         23        SEND_VAL_EX                                              'Y+z'
         24        DO_FCALL                                      0  $19     
         25        SEND_VAR                                                 $19
         26        DO_ICALL                                         $20     
         27        FETCH_LIST_R                                     $21     $20, 0
         28        ASSIGN                                                   !4, $21
         29        FETCH_LIST_R                                     $23     $20, 1
         30        ASSIGN                                                   !5, $23
         31        FREE                                                     $20
    9    32        SUB                                              ~25     !4, !2
         33        IS_SMALLER                                       ~26     !5, !3
         34        SUB                                              ~27     ~25, ~26
         35        ASSIGN                                                   !6, ~27
   10    36        ECHO                                                     !6
         37      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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