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<?php $date = new DateTime('2013-10-31'); //$date->sub(DateInterval::createFromDateString('1 month')); $date->sub(new DateInterval('P1M')); print $date->format('m');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/T42Xi
function name:  (null)
number of ops:  15
compiled vars:  !0 = $date
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $1      'DateTime'
          1        SEND_VAL_EX                                              '2013-10-31'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $1
    4     4        INIT_METHOD_CALL                                         !0, 'sub'
          5        NEW                                              $4      'DateInterval'
          6        SEND_VAL_EX                                              'P1M'
          7        DO_FCALL                                      0          
          8        SEND_VAR_NO_REF_EX                                       $4
          9        DO_FCALL                                      0          
    5    10        INIT_METHOD_CALL                                         !0, 'format'
         11        SEND_VAL_EX                                              'm'
         12        DO_FCALL                                      0  $7      
         13        ECHO                                                     $7
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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