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<?php $dt = new DateTime('2015-01-01 00:00:00+00:00'); var_dump($dt->format('c')); var_dump($dt->modify('+1 s')->format('c')); $dt = new DateTimeImmutable('2015-01-01 00:00:00+00:00'); var_dump($dt->format('c')); var_dump($dt->modify('+1 s')->format('c'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/EMU1K
function name:  (null)
number of ops:  39
compiled vars:  !0 = $dt
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   NEW                                                  $1      'DateTime'
          1        SEND_VAL_EX                                                  '2015-01-01+00%3A00%3A00%2B00%3A00'
          2        DO_FCALL                                          0          
          3        ASSIGN                                                       !0, $1
    4     4        INIT_FCALL                                                   'var_dump'
          5        INIT_METHOD_CALL                                             !0, 'format'
          6        SEND_VAL_EX                                                  'c'
          7        DO_FCALL                                          0  $4      
          8        SEND_VAR                                                     $4
          9        DO_ICALL                                                     
    5    10        INIT_FCALL                                                   'var_dump'
         11        INIT_METHOD_CALL                                             !0, 'modify'
         12        SEND_VAL_EX                                                  '%2B1+s'
         13        DO_FCALL                                          0  $6      
         14        INIT_METHOD_CALL                                             $6, 'format'
         15        SEND_VAL_EX                                                  'c'
         16        DO_FCALL                                          0  $7      
         17        SEND_VAR                                                     $7
         18        DO_ICALL                                                     
    7    19        NEW                                                  $9      'DateTimeImmutable'
         20        SEND_VAL_EX                                                  '2015-01-01+00%3A00%3A00%2B00%3A00'
         21        DO_FCALL                                          0          
         22        ASSIGN                                                       !0, $9
    8    23        INIT_FCALL                                                   'var_dump'
         24        INIT_METHOD_CALL                                             !0, 'format'
         25        SEND_VAL_EX                                                  'c'
         26        DO_FCALL                                          0  $12     
         27        SEND_VAR                                                     $12
         28        DO_ICALL                                                     
    9    29        INIT_FCALL                                                   'var_dump'
         30        INIT_METHOD_CALL                                             !0, 'modify'
         31        SEND_VAL_EX                                                  '%2B1+s'
         32        DO_FCALL                                          0  $14     
         33        INIT_METHOD_CALL                                             $14, 'format'
         34        SEND_VAL_EX                                                  'c'
         35        DO_FCALL                                          0  $15     
         36        SEND_VAR                                                     $15
         37        DO_ICALL                                                     
         38      > RETURN                                                       1

Generated using Vulcan Logic Dumper, using php 8.5.0


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