3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = (function($a) { return function($b) use ($a) { return $a + $b; }; })(42); echo $foo(10);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/f63Wn
function name:  (null)
number of ops:  10
compiled vars:  !0 = $foo
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Ff63Wn%3A2%240'
    6     1        INIT_DYNAMIC_CALL                                        ~1
          2        SEND_VAL_EX                                              42
          3        DO_FCALL                                      0  $2      
    2     4        ASSIGN                                                   !0, $2
    7     5        INIT_DYNAMIC_CALL                                        !0
          6        SEND_VAL_EX                                              10
          7        DO_FCALL                                      0  $4      
          8        ECHO                                                     $4
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Ff63Wn%3A2%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/f63Wn
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2Ff63Wn%3A3%241'
          2        BIND_LEXICAL                                             ~1, !0
    5     3      > RETURN                                                   ~1
    6     4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Ff63Wn%3A2%240

Function %00%7Bclosure%7D%2Fin%2Ff63Wn%3A3%241:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/f63Wn
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $b, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        BIND_STATIC                                              !1
    4     2        ADD                                              ~2      !1, !0
          3      > RETURN                                                   ~2
    5     4*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Ff63Wn%3A3%241

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
164.57 ms | 1394 KiB | 13 Q