3v4l.org

run code in 300+ PHP versions simultaneously
<?php function n($o) { return $o; } n([ 1 => function ($a) { echo $a; } ])[1]('foo');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3gTku
function name:  (null)
number of ops:  10
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'n'
          1        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F3gTku%3A3%240'
          2        INIT_ARRAY                                       ~1      ~0, 1
          3        SEND_VAL                                                 ~1
          4        DO_FCALL                                      0  $2      
          5        FETCH_DIM_R                                      ~3      $2, 1
          6        INIT_DYNAMIC_CALL                                        ~3
          7        SEND_VAL_EX                                              'foo'
          8        DO_FCALL                                      0          
          9      > RETURN                                                   1

Function n:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3gTku
function name:  n
number of ops:  3
compiled vars:  !0 = $o
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
          0  E >   RECV                                             !0      
          1      > RETURN                                                   !0
          2*     > RETURN                                                   null

End of function n

Function %00%7Bclosure%7D%2Fin%2F3gTku%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3gTku
function name:  {closure}
number of ops:  3
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
          0  E >   RECV                                             !0      
          1        ECHO                                                     !0
          2      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F3gTku%3A3%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.42 ms | 1397 KiB | 14 Q