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<?php $dateTime = DateTime::createFromFormat('Y-m-d', '2016-18-45'); var_dump($dateTime && $dateTime->format('Y-m-d') === '2016-18-45'); echo "\n==============================\n"; var_dump($dateTime->format('Y-m-d'));
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 7, Position 2 = 12
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
filename:       /in/63GWB
function name:  (null)
number of ops:  22
compiled vars:  !0 = $dateTime
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                                                 '2016-18-45'
          3        DO_FCALL                                      0  $1      
          4        ASSIGN                                                   !0, $1
    5     5        INIT_FCALL                                               'var_dump'
          6      > JMPZ_EX                                          ~3      !0, ->12
          7    >   INIT_METHOD_CALL                                         !0, 'format'
          8        SEND_VAL_EX                                              'Y-m-d'
          9        DO_FCALL                                      0  $4      
         10        IS_IDENTICAL                                     ~5      $4, '2016-18-45'
         11        BOOL                                             ~3      ~5
         12    >   SEND_VAL                                                 ~3
         13        DO_ICALL                                                 
    6    14        ECHO                                                     '%0A%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%0A'
    8    15        INIT_FCALL                                               'var_dump'
         16        INIT_METHOD_CALL                                         !0, 'format'
         17        SEND_VAL_EX                                              'Y-m-d'
         18        DO_FCALL                                      0  $7      
         19        SEND_VAR                                                 $7
         20        DO_ICALL                                                 
         21      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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