3v4l.org

run code in 300+ PHP versions simultaneously
<?php function destroy_foo() { global $foo; //unset($foo); } $foo = 'bar'; destroy_foo(); echo $foo;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/komPC
function name:  (null)
number of ops:  5
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, 'bar'
    9     1        INIT_FCALL                                               'destroy_foo'
          2        DO_FCALL                                      0          
   10     3        ECHO                                                     !0
          4      > RETURN                                                   1

Function destroy_foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/komPC
function name:  destroy_foo
number of ops:  2
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   BIND_GLOBAL                                              !0, 'foo'
    6     1      > RETURN                                                   null

End of function destroy_foo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.04 ms | 1388 KiB | 14 Q