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<?php $date = new DateTime('2013-03-01'); $newDate = clone $date; $newDate->modify('-1 month'); echo $newDate;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/FWrve
function name:  (null)
number of ops:  11
compiled vars:  !0 = $date, !1 = $newDate
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $2      'DateTime'
          1        SEND_VAL_EX                                              '2013-03-01'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $2
    3     4        CLONE                                            ~5      !0
          5        ASSIGN                                                   !1, ~5
    4     6        INIT_METHOD_CALL                                         !1, 'modify'
          7        SEND_VAL_EX                                              '-1+month'
          8        DO_FCALL                                      0          
    5     9        ECHO                                                     !1
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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