3v4l.org

run code in 300+ PHP versions simultaneously
<?php $message = 'hello'; // Inherit by-reference $example = function () use (&$message) { $message = 'test'; var_dump($message); }; echo $example(); $message = 'hello'; // Inherit by-reference $example2 = function () use ($message) { $message = 'test'; var_dump($message); }; echo $example2();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6ER4u
function name:  (null)
number of ops:  15
compiled vars:  !0 = $message, !1 = $example, !2 = $example2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'hello'
    6     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F6ER4u%3A6%240'
          2        BIND_LEXICAL                                             ~4, !0
          3        ASSIGN                                                   !1, ~4
   10     4        INIT_DYNAMIC_CALL                                        !1
          5        DO_FCALL                                      0  $6      
          6        ECHO                                                     $6
   12     7        ASSIGN                                                   !0, 'hello'
   15     8        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F6ER4u%3A15%241'
          9        BIND_LEXICAL                                             ~8, !0
         10        ASSIGN                                                   !2, ~8
   19    11        INIT_DYNAMIC_CALL                                        !2
         12        DO_FCALL                                      0  $10     
         13        ECHO                                                     $10
         14      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2F6ER4u%3A6%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6ER4u
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $message
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    6     0  E >   BIND_STATIC                                              !0
    7     1        ASSIGN                                                   !0, 'test'
    8     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
    9     5      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F6ER4u%3A6%240

Function %00%7Bclosure%7D%2Fin%2F6ER4u%3A15%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6ER4u
function name:  {closure}
number of ops:  6
compiled vars:  !0 = $message
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   BIND_STATIC                                              !0
   16     1        ASSIGN                                                   !0, 'test'
   17     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
   18     5      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F6ER4u%3A15%241

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
161.43 ms | 1401 KiB | 15 Q