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<?php function a(): int { return 1.0001; } function b($c): int { if (!is_int($c)) { throw new \Exception('not an int'); } return $c * 5; } var_dump(a(), b(a()));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jd7hM
function name:  (null)
number of ops:  12
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                               'var_dump'
          1        INIT_FCALL                                               'a'
          2        DO_FCALL                                      0  $0      
          3        SEND_VAR                                                 $0
          4        INIT_FCALL                                               'b'
          5        INIT_FCALL                                               'a'
          6        DO_FCALL                                      0  $1      
          7        SEND_VAR                                                 $1
          8        DO_FCALL                                      0  $2      
          9        SEND_VAR                                                 $2
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Function a:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jd7hM
function name:  a
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   VERIFY_RETURN_TYPE                               ~0      1.0001
          1      > RETURN                                                   ~0
    6     2*       VERIFY_RETURN_TYPE                                       
          3*     > RETURN                                                   null

End of function a

Function b:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 8
Branch analysis from position: 4
1 jumps found. (Code = 108) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jd7hM
function name:  b
number of ops:  13
compiled vars:  !0 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   RECV                                             !0      
    9     1        TYPE_CHECK                                   16  ~1      !0
          2        BOOL_NOT                                         ~2      ~1
          3      > JMPZ                                                     ~2, ->8
   10     4    >   NEW                                              $3      'Exception'
          5        SEND_VAL_EX                                              'not+an+int'
          6        DO_FCALL                                      0          
          7      > THROW                                         0          $3
   12     8    >   MUL                                              ~5      !0, 5
          9        VERIFY_RETURN_TYPE                                       ~5
         10      > RETURN                                                   ~5
   13    11*       VERIFY_RETURN_TYPE                                       
         12*     > RETURN                                                   null

End of function b

Generated using Vulcan Logic Dumper, using php 8.0.0


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