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<?php $d = new \DateTime('2016-01-01T00:00:00+00:00'); $c = clone $d; $e = clone($d); echo $d->format('c'); echo "\n"; echo $c->modify('+1 day')->format('c'); echo "\n"; echo $e->modify('+1 day')->format('c'); echo "\n"; echo (clone($d))->modify('+1 day')->format('c'); echo "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/9dn45
function name:  (null)
number of ops:  39
compiled vars:  !0 = $d, !1 = $c, !2 = $e
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   NEW                                              $3      'DateTime'
          1        SEND_VAL_EX                                              '2016-01-01T00%3A00%3A00%2B00%3A00'
          2        DO_FCALL                                      0          
          3        ASSIGN                                                   !0, $3
    3     4        CLONE                                            ~6      !0
          5        ASSIGN                                                   !1, ~6
    4     6        CLONE                                            ~8      !0
          7        ASSIGN                                                   !2, ~8
    5     8        INIT_METHOD_CALL                                         !0, 'format'
          9        SEND_VAL_EX                                              'c'
         10        DO_FCALL                                      0  $10     
         11        ECHO                                                     $10
    6    12        ECHO                                                     '%0A'
    7    13        INIT_METHOD_CALL                                         !1, 'modify'
         14        SEND_VAL_EX                                              '%2B1+day'
         15        DO_FCALL                                      0  $11     
         16        INIT_METHOD_CALL                                         $11, 'format'
         17        SEND_VAL_EX                                              'c'
         18        DO_FCALL                                      0  $12     
         19        ECHO                                                     $12
    8    20        ECHO                                                     '%0A'
    9    21        INIT_METHOD_CALL                                         !2, 'modify'
         22        SEND_VAL_EX                                              '%2B1+day'
         23        DO_FCALL                                      0  $13     
         24        INIT_METHOD_CALL                                         $13, 'format'
         25        SEND_VAL_EX                                              'c'
         26        DO_FCALL                                      0  $14     
         27        ECHO                                                     $14
   11    28        ECHO                                                     '%0A'
   12    29        CLONE                                            ~15     !0
         30        INIT_METHOD_CALL                                         ~15, 'modify'
         31        SEND_VAL_EX                                              '%2B1+day'
         32        DO_FCALL                                      0  $16     
         33        INIT_METHOD_CALL                                         $16, 'format'
         34        SEND_VAL_EX                                              'c'
         35        DO_FCALL                                      0  $17     
         36        ECHO                                                     $17
   13    37        ECHO                                                     '%0A'
         38      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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