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<?php $start= new \DateTime('+1day'); echo $start->diff(new \DateTime())->format('%r%d');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Sff2K
function name:  (null)
number of ops:  14
compiled vars:  !0 = $start
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '%2B1day'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
    4     4        INIT_METHOD_CALL                                         !0, 'diff'
          5        NEW                                              $4      'DateTime'
          6        DO_FCALL                                      0          
          7        SEND_VAR_NO_REF_EX                                       $4
          8        DO_FCALL                                      0  $6      
          9        INIT_METHOD_CALL                                         $6, 'format'
         10        SEND_VAL_EX                                              '%25r%25d'
         11        DO_FCALL                                      0  $7      
         12        ECHO                                                     $7
         13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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