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<?php function foo(int $bar) {} var_dump((int) (NAN)); // cast var_dump(chr(NAN)); // internal function expecting Z_PARAM_LONG var_dump(foo(NAN)); // userland function expecting int
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PHBQK
function name:  (null)
number of ops:  17
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                               'var_dump'
          1        CAST                                          4  ~0      NAN
          2        SEND_VAL                                                 ~0
          3        DO_ICALL                                                 
    6     4        INIT_FCALL                                               'var_dump'
          5        INIT_FCALL                                               'chr'
          6        SEND_VAL                                                 NAN
          7        DO_ICALL                                         $2      
          8        SEND_VAR                                                 $2
          9        DO_ICALL                                                 
    7    10        INIT_FCALL                                               'var_dump'
         11        INIT_FCALL                                               'foo'
         12        SEND_VAL                                                 NAN
         13        DO_FCALL                                      0  $4      
         14        SEND_VAR                                                 $4
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/PHBQK
function name:  foo
number of ops:  2
compiled vars:  !0 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


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