3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = array( 'a' => 'a', 'b' => 'b', ); array_walk($var, function ($value) { var_dump($value); }); var_dump(key($var));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vNab4
function name:  (null)
number of ops:  13
compiled vars:  !0 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'array_walk'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FvNab4%3A8%240'
   10     4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
   12     6        INIT_FCALL                                               'var_dump'
          7        INIT_FCALL                                               'key'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                         $4      
         10        SEND_VAR                                                 $4
         11        DO_ICALL                                                 
         12      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FvNab4%3A8%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/vNab4
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   RECV                                             !0      
    9     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
   10     4      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2FvNab4%3A8%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.22 ms | 1395 KiB | 19 Q