3v4l.org

run code in 300+ PHP versions simultaneously
<?php $fn = $foo(...); var_dump($fn('strlen'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/UWfCn
function name:  (null)
number of ops:  10
compiled vars:  !0 = $fn, !1 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_DYNAMIC_CALL                                        !1
          1        ZEND_CALLABLE_CONVERT                            ~2      
          2        ASSIGN                                                   !0, ~2
    5     3        INIT_FCALL                                               'var_dump'
          4        INIT_DYNAMIC_CALL                                        !0
          5        SEND_VAL_EX                                              'strlen'
          6        DO_FCALL                                      0  $4      
          7        SEND_VAR                                                 $4
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.59 ms | 1011 KiB | 14 Q