3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = function () use ($foo) { return $foo;}; var_dump($foo() == $foo);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ftAcp
function name:  (null)
number of ops:  10
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FftAcp%3A3%240'
          1        BIND_LEXICAL                                             ~1, !0
          2        ASSIGN                                                   !0, ~1
    6     3        INIT_FCALL                                               'var_dump'
          4        INIT_DYNAMIC_CALL                                        !0
          5        DO_FCALL                                      0  $3      
          6        IS_EQUAL                                         ~4      !0, $3
          7        SEND_VAL                                                 ~4
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FftAcp%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ftAcp
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   BIND_STATIC                                              !0
          1      > RETURN                                                   !0
          2*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FftAcp%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
198.31 ms | 1394 KiB | 15 Q