3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = [1,2,3]; array_walk($a , function($arr, $key) { var_dump(func_get_args()); });
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/6XJdK
function name:  (null)
number of ops:  7
compiled vars:  !0 = $a
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   3     0  E >   ASSIGN                                                   !0, <array>
   4     1        INIT_FCALL                                               'array_walk'
         2        SEND_REF                                                 !0
         3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2F6XJdK0x7fc276999057'
         4        SEND_VAL                                                 ~2
         5        DO_ICALL                                                 
         6      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2F6XJdK0x7fc276999057:
Finding entry points
Branch analysis from position: 0
Jump found. Position 1 = -2
filename:       /in/6XJdK
function name:  {closure}
number of ops:  8
compiled vars:  !0 = $arr, !1 = $key
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
         0  E >   RECV                                             !0      
         1        RECV                                             !1      
         2        INIT_FCALL                                               'var_dump'
         3        INIT_FCALL                                               'func_get_args'
         4        DO_ICALL                                         $2      
         5        SEND_VAR                                                 $2
         6        DO_ICALL                                                 
         7      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2F6XJdK0x7fc276999057

Generated using Vulcan Logic Dumper, using php 7.2.0