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<?php $date = new DateTime(); echo $date->format('Y-m-d'); $date->add(new DateInterval('P-1M')); echo $date->format('Y-m-d');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/hb9JT
function name:  (null)
number of ops:  18
compiled vars:  !0 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'DateTime'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    4     3        INIT_METHOD_CALL                                         !0, 'format'
          4        SEND_VAL_EX                                              'Y-m-d'
          5        DO_FCALL                                      0  $4      
          6        ECHO                                                     $4
    5     7        INIT_METHOD_CALL                                         !0, 'add'
          8        NEW                                              $5      'DateInterval'
          9        SEND_VAL_EX                                              'P-1M'
         10        DO_FCALL                                      0          
         11        SEND_VAR_NO_REF_EX                                       $5
         12        DO_FCALL                                      0          
    6    13        INIT_METHOD_CALL                                         !0, 'format'
         14        SEND_VAL_EX                                              'Y-m-d'
         15        DO_FCALL                                      0  $8      
         16        ECHO                                                     $8
         17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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