3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo2 = 'used variable'; $closure = function ($foo) use ($foo2) { return $foo; }; var_dump($closure('argument2'));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Ja47L
function name:  (null)
number of ops:  11
compiled vars:  !0 = $foo2, !1 = $closure
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'used+variable'
    3     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FJa47L%3A3%240'
          2        BIND_LEXICAL                                             ~3, !0
          3        ASSIGN                                                   !1, ~3
    5     4        INIT_FCALL                                               'var_dump'
          5        INIT_DYNAMIC_CALL                                        !1
          6        SEND_VAL_EX                                              'argument2'
          7        DO_FCALL                                      0  $5      
          8        SEND_VAR                                                 $5
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FJa47L%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Ja47L
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $foo, !1 = $foo2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
          2      > RETURN                                                   !0
          3*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FJa47L%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
155.82 ms | 1399 KiB | 15 Q