3v4l.org

run code in 500+ PHP versions simultaneously
<?php function foo(int $test) { var_dump(is_int($test)); var_dump(is_bool($test)); } foo(false); foo(true);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b8gQ2
function name:  (null)
number of ops:  7
compiled vars:  none
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    8     0  E >   INIT_FCALL                                                   'foo'
          1        SEND_VAL                                                     <false>
          2        DO_FCALL                                          0          
    9     3        INIT_FCALL                                                   'foo'
          4        SEND_VAL                                                     <true>
          5        DO_FCALL                                          0          
          6      > RETURN                                                       1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/b8gQ2
function name:  foo
number of ops:  10
compiled vars:  !0 = $test
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   RECV                                                 !0      
    4     1        INIT_FCALL                                                   'var_dump'
          2        TYPE_CHECK                                       16  ~1      !0
          3        SEND_VAL                                                     ~1
          4        DO_ICALL                                                     
    5     5        INIT_FCALL                                                   'var_dump'
          6        TYPE_CHECK                                       12  ~3      !0
          7        SEND_VAL                                                     ~3
          8        DO_ICALL                                                     
    6     9      > RETURN                                                       null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.5.0


preferences:
212.79 ms | 2618 KiB | 16 Q