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<?php var_dump((string) 1 === (string)(int) '1'); var_dump((string) 1 === (string)(int) 1); var_dump(ctype_digit(1)); var_dump(ctype_digit('1'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oi7fd
function name:  (null)
number of ops:  27
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'var_dump'
          1        CAST                                          6  ~0      1
          2        CAST                                          4  ~1      '1'
          3        CAST                                          6  ~2      ~1
          4        IS_IDENTICAL                                     ~3      ~0, ~2
          5        SEND_VAL                                                 ~3
          6        DO_ICALL                                                 
    4     7        INIT_FCALL                                               'var_dump'
          8        CAST                                          6  ~5      1
          9        CAST                                          4  ~6      1
         10        CAST                                          6  ~7      ~6
         11        IS_IDENTICAL                                     ~8      ~5, ~7
         12        SEND_VAL                                                 ~8
         13        DO_ICALL                                                 
    5    14        INIT_FCALL                                               'var_dump'
         15        INIT_FCALL                                               'ctype_digit'
         16        SEND_VAL                                                 1
         17        DO_ICALL                                         $10     
         18        SEND_VAR                                                 $10
         19        DO_ICALL                                                 
    6    20        INIT_FCALL                                               'var_dump'
         21        INIT_FCALL                                               'ctype_digit'
         22        SEND_VAL                                                 '1'
         23        DO_ICALL                                         $12     
         24        SEND_VAR                                                 $12
         25        DO_ICALL                                                 
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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