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<?php $x = (string) intval(date('Y'))-1; $x .= '-1-1'; echo $x; echo '\n'; echo date('Y-m-d',$x);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/8KZ2G
function name:  (null)
number of ops:  16
compiled vars:  !0 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'date'
          1        SEND_VAL                                                 'Y'
          2        DO_ICALL                                         $1      
          3        CAST                                          4  ~2      $1
          4        CAST                                          6  ~3      ~2
          5        SUB                                              ~4      ~3, 1
          6        ASSIGN                                                   !0, ~4
    4     7        ASSIGN_OP                                     8          !0, '-1-1'
    5     8        ECHO                                                     !0
    6     9        ECHO                                                     '%5Cn'
    7    10        INIT_FCALL                                               'date'
         11        SEND_VAL                                                 'Y-m-d'
         12        SEND_VAR                                                 !0
         13        DO_ICALL                                         $7      
         14        ECHO                                                     $7
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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