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<?php $date = strtotime('2014-01-15'); $daysbefor1979 = '25568'; $start = strtotime("1900-01-01"); echo $start; $diff = ($date - $start); $days = ($diff / 86400); echo date('Y-m-d', jdtounix(gregoriantojd(12, 31, 1899) + 41603)).PHP_EOL; echo round(($daysbefor1979+$days), 0);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/QbjSk
function name:  (null)
number of ops:  36
compiled vars:  !0 = $date, !1 = $daysbefor1979, !2 = $start, !3 = $diff, !4 = $days
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'strtotime'
          1        SEND_VAL                                                 '2014-01-15'
          2        DO_ICALL                                         $5      
          3        ASSIGN                                                   !0, $5
    4     4        ASSIGN                                                   !1, '25568'
    5     5        INIT_FCALL                                               'strtotime'
          6        SEND_VAL                                                 '1900-01-01'
          7        DO_ICALL                                         $8      
          8        ASSIGN                                                   !2, $8
    6     9        ECHO                                                     !2
    7    10        SUB                                              ~10     !0, !2
         11        ASSIGN                                                   !3, ~10
    8    12        DIV                                              ~12     !3, 86400
         13        ASSIGN                                                   !4, ~12
   10    14        INIT_FCALL                                               'date'
         15        SEND_VAL                                                 'Y-m-d'
         16        INIT_FCALL_BY_NAME                                       'jdtounix'
         17        INIT_FCALL_BY_NAME                                       'gregoriantojd'
         18        SEND_VAL_EX                                              12
         19        SEND_VAL_EX                                              31
         20        SEND_VAL_EX                                              1899
         21        DO_FCALL                                      0  $14     
         22        ADD                                              ~15     $14, 41603
         23        SEND_VAL_EX                                              ~15
         24        DO_FCALL                                      0  $16     
         25        SEND_VAR                                                 $16
         26        DO_ICALL                                         $17     
         27        CONCAT                                           ~18     $17, '%0A'
         28        ECHO                                                     ~18
   11    29        INIT_FCALL                                               'round'
         30        ADD                                              ~19     !1, !4
         31        SEND_VAL                                                 ~19
         32        SEND_VAL                                                 0
         33        DO_ICALL                                         $20     
         34        ECHO                                                     $20
         35      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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