3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = 'call_user_func_array'; echo ${test}('strtoupper', array('test'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dD8CE
function name:  (null)
number of ops:  9
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'call_user_func_array'
    3     1        FETCH_CONSTANT                                   ~2      'test'
          2        FETCH_R                      local               ~3      ~2
          3        INIT_DYNAMIC_CALL                                        ~3
          4        SEND_VAL_EX                                              'strtoupper'
          5        SEND_VAL_EX                                              <array>
          6        DO_FCALL                                      0  $4      
          7        ECHO                                                     $4
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.16 ms | 1396 KiB | 13 Q