3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($arg) {echo $arg; } call_user_func('foo', 'bar');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Rq3mg
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'foo'
          1        SEND_USER                                                'bar'
          2        DO_FCALL                                      0          
          3      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Rq3mg
function name:  foo
number of ops:  3
compiled vars:  !0 = $arg
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
          1        ECHO                                                     !0
          2      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
164.14 ms | 1388 KiB | 14 Q