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<?php $d = DateTime::createFromFormat("Y-m-d", "2013-10-31"); var_dump($d->format("Y-m-d")); $d->modify("-1 month"); var_dump($d->format("Y-m-d"));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/GeUvt
function name:  (null)
number of ops:  21
compiled vars:  !0 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          1        SEND_VAL                                                 'Y-m-d'
          2        SEND_VAL                                                 '2013-10-31'
          3        DO_FCALL                                      0  $1      
          4        ASSIGN                                                   !0, $1
    5     5        INIT_FCALL                                               'var_dump'
          6        INIT_METHOD_CALL                                         !0, 'format'
          7        SEND_VAL_EX                                              'Y-m-d'
          8        DO_FCALL                                      0  $3      
          9        SEND_VAR                                                 $3
         10        DO_ICALL                                                 
    6    11        INIT_METHOD_CALL                                         !0, 'modify'
         12        SEND_VAL_EX                                              '-1+month'
         13        DO_FCALL                                      0          
    7    14        INIT_FCALL                                               'var_dump'
         15        INIT_METHOD_CALL                                         !0, 'format'
         16        SEND_VAL_EX                                              'Y-m-d'
         17        DO_FCALL                                      0  $6      
         18        SEND_VAR                                                 $6
         19        DO_ICALL                                                 
         20      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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