3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$bar) { var_dump($bar); } call_user_func_array("foo", array(new stdclass));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Qti91
function name:  (null)
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'foo'
          1        NEW                                              $0      'stdclass'
          2        DO_FCALL                                      0          
          3        INIT_ARRAY                                       ~2      $0
          4        SEND_ARRAY                                               ~2
          5        CHECK_UNDEF_ARGS                                         
          6        DO_FCALL                                      0          
          7      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Qti91
function name:  foo
number of ops:  5
compiled vars:  !0 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
          1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
          4      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.47 ms | 1388 KiB | 16 Q