3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function bar() { $GLOBALS['var'] = array(); $closure = function(){return $GLOBALS;}; print_r($closure()); } } $foo = new foo; $foo->bar();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SukIX
function name:  (null)
number of ops:  6
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   NEW                                              $1      'foo'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
   10     3        INIT_METHOD_CALL                                         !0, 'bar'
          4        DO_FCALL                                      0          
          5      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FSukIX%3A5%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SukIX
function name:  {closure}
number of ops:  3
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   FETCH_R                      global              ~0      'GLOBALS'
          1      > RETURN                                                   ~0
          2*     > RETURN                                                   null

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

Class foo:
Function bar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/SukIX
function name:  bar
number of ops:  11
compiled vars:  !0 = $closure
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   FETCH_W                      global              $1      'GLOBALS'
          1        ASSIGN_DIM                                               $1, 'var'
          2        OP_DATA                                                  <array>
    5     3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FSukIX%3A5%240'
          4        ASSIGN                                                   !0, ~3
    6     5        INIT_FCALL                                               'print_r'
          6        INIT_DYNAMIC_CALL                                        !0
          7        DO_FCALL                                      0  $5      
          8        SEND_VAR                                                 $5
          9        DO_ICALL                                                 
    7    10      > RETURN                                                   null

End of function bar

End of class foo.

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.47 ms | 1395 KiB | 15 Q