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<?php var_dump(new DateTime('yesterday') instanceof JsonSerializable); var_dump(new DateTimeImmutable('yesterday') instanceof JsonSerializable);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kB30U
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        NEW                                              $0      'DateTime'
          2        SEND_VAL_EX                                              'yesterday'
          3        DO_FCALL                                      0          
          4        INSTANCEOF                                       ~2      $0, 'JsonSerializable'
          5        SEND_VAL                                                 ~2
          6        DO_ICALL                                                 
    4     7        INIT_FCALL                                               'var_dump'
          8        NEW                                              $4      'DateTimeImmutable'
          9        SEND_VAL_EX                                              'yesterday'
         10        DO_FCALL                                      0          
         11        INSTANCEOF                                       ~6      $4, 'JsonSerializable'
         12        SEND_VAL                                                 ~6
         13        DO_ICALL                                                 
         14      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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