3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = false; $function = function() use (& $test) { $test = true; }; $function(); var_dump($test);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CNZH6
function name:  (null)
number of ops:  10
compiled vars:  !0 = $test, !1 = $function
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <false>
    5     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FCNZH6%3A5%240'
          2        BIND_LEXICAL                                             ~3, !0
          3        ASSIGN                                                   !1, ~3
   10     4        INIT_DYNAMIC_CALL                                        !1
          5        DO_FCALL                                      0          
   11     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FCNZH6%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CNZH6
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   BIND_STATIC                                              !0
    7     1        ASSIGN                                                   !0, <true>
    8     2      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FCNZH6%3A5%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
184.57 ms | 1399 KiB | 15 Q