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<?php var_dump(class_implements(DateTime::class)); var_dump(class_implements(Generator::class)); var_dump(class_implements(stdClass::class)); var_dump(class_implements(invalidClass::class)); var_dump(class_implements(DateTime::class, false)); // different, but risky to assume via static analysis?
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/IufYX
function name:  (null)
number of ops:  32
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'class_implements'
          2        SEND_VAL                                                 'DateTime'
          3        DO_ICALL                                         $0      
          4        SEND_VAR                                                 $0
          5        DO_ICALL                                                 
    4     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'class_implements'
          8        SEND_VAL                                                 'Generator'
          9        DO_ICALL                                         $2      
         10        SEND_VAR                                                 $2
         11        DO_ICALL                                                 
    5    12        INIT_FCALL                                               'var_dump'
         13        INIT_FCALL                                               'class_implements'
         14        SEND_VAL                                                 'stdClass'
         15        DO_ICALL                                         $4      
         16        SEND_VAR                                                 $4
         17        DO_ICALL                                                 
    6    18        INIT_FCALL                                               'var_dump'
         19        INIT_FCALL                                               'class_implements'
         20        SEND_VAL                                                 'invalidClass'
         21        DO_ICALL                                         $6      
         22        SEND_VAR                                                 $6
         23        DO_ICALL                                                 
    8    24        INIT_FCALL                                               'var_dump'
         25        INIT_FCALL                                               'class_implements'
         26        SEND_VAL                                                 'DateTime'
         27        SEND_VAL                                                 <false>
         28        DO_ICALL                                         $8      
         29        SEND_VAR                                                 $8
         30        DO_ICALL                                                 
         31      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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