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<?php var_dump(DateTime::createFromFormat('!Y', '-18', new DateTimeZone('UTC')), DateTime::getLastErrors());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/LY6FJ
function name:  (null)
number of ops:  15
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_STATIC_METHOD_CALL                                  'DateTime', 'createFromFormat'
          2        SEND_VAL                                                 '%21Y'
          3        SEND_VAL                                                 '-18'
          4        NEW                                              $0      'DateTimeZone'
          5        SEND_VAL_EX                                              'UTC'
          6        DO_FCALL                                      0          
          7        SEND_VAR                                                 $0
          8        DO_FCALL                                      0  $2      
          9        SEND_VAR                                                 $2
         10        INIT_STATIC_METHOD_CALL                                  'DateTime', 'getLastErrors'
         11        DO_FCALL                                      0  $3      
         12        SEND_VAR                                                 $3
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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