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<?php $yddd = 3212; preg_match('/^(\d)(\d{3})$/', $yddd, $m); echo date('Y-m-d', strtotime("201{$m[1]}-01-01 00:00:00 +{$m[2]} days"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fVSjl
function name:  (null)
number of ops:  22
compiled vars:  !0 = $yddd, !1 = $m
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 3212
    4     1        INIT_FCALL                                               'preg_match'
          2        SEND_VAL                                                 '%2F%5E%28%5Cd%29%28%5Cd%7B3%7D%29%24%2F'
          3        SEND_VAR                                                 !0
          4        SEND_REF                                                 !1
          5        DO_ICALL                                                 
    6     6        INIT_FCALL                                               'date'
          7        SEND_VAL                                                 'Y-m-d'
          8        INIT_FCALL                                               'strtotime'
          9        ROPE_INIT                                     5  ~7      '201'
         10        FETCH_DIM_R                                      ~4      !1, 1
         11        ROPE_ADD                                      1  ~7      ~7, ~4
         12        ROPE_ADD                                      2  ~7      ~7, '-01-01+00%3A00%3A00+%2B'
         13        FETCH_DIM_R                                      ~5      !1, 2
         14        ROPE_ADD                                      3  ~7      ~7, ~5
         15        ROPE_END                                      4  ~6      ~7, '+days'
         16        SEND_VAL                                                 ~6
         17        DO_ICALL                                         $10     
         18        SEND_VAR                                                 $10
         19        DO_ICALL                                         $11     
         20        ECHO                                                     $11
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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