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<?php var_dump(new \DateTimeImmutable('second sunday of may')); var_dump(\DateTime::getLastErrors());
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/TGsaG
function name:  (null)
number of ops:  12
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        NEW                                              $0      'DateTimeImmutable'
          2        SEND_VAL_EX                                              'second+sunday+of+may'
          3        DO_FCALL                                      0          
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
    4     6        INIT_FCALL                                               'var_dump'
          7        INIT_STATIC_METHOD_CALL                                  'DateTime', 'getLastErrors'
          8        DO_FCALL                                      0  $3      
          9        SEND_VAR                                                 $3
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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