3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); function bar(int $foo): string { return $foo; } bar(123);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dtYQ9
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   INIT_FCALL                                               'bar'
          1        SEND_VAL                                                 123
          2        DO_FCALL                                      0          
          3      > RETURN                                                   1

Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dtYQ9
function name:  bar
number of ops:  5
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   RECV                                             !0      
    7     1        VERIFY_RETURN_TYPE                                       !0
          2      > RETURN                                                   !0
    8     3*       VERIFY_RETURN_TYPE                                       
          4*     > RETURN                                                   null

End of function bar

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
173.59 ms | 1451 KiB | 14 Q