3v4l.org

run code in 300+ PHP versions simultaneously
<?php $f = function($fun, $x) { return $fun($fun, $x*$x); }; $f($f,1);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kEC2O
function name:  (null)
number of ops:  7
compiled vars:  !0 = $f
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FkEC2O%3A3%240'
          1        ASSIGN                                                   !0, ~1
    4     2        INIT_DYNAMIC_CALL                                        !0
          3        SEND_VAR_EX                                              !0
          4        SEND_VAL_EX                                              1
          5        DO_FCALL                                      0          
          6      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FkEC2O%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kEC2O
function name:  {closure}
number of ops:  9
compiled vars:  !0 = $fun, !1 = $x
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
          1        RECV                                             !1      
          2        INIT_DYNAMIC_CALL                                        !0
          3        SEND_VAR_EX                                              !0
          4        MUL                                              ~2      !1, !1
          5        SEND_VAL_EX                                              ~2
          6        DO_FCALL                                      0  $3      
          7      > RETURN                                                   $3
          8*     > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FkEC2O%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
164.78 ms | 1393 KiB | 13 Q