3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('a' => 'b'); array_walk($arr, function ($val, &$key) { $key = ':'.$key; }); var_export($arr);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/u86ul
function name:  (null)
number of ops:  10
compiled vars:  !0 = $arr
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%2Fu86ul%3A4%240'
    6     4        SEND_VAL                                                 ~2
          5        DO_ICALL                                                 
    7     6        INIT_FCALL                                               'var_export'
          7        SEND_VAR                                                 !0
          8        DO_ICALL                                                 
          9      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2Fu86ul%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/u86ul
function name:  {closure}
number of ops:  5
compiled vars:  !0 = $val, !1 = $key
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   RECV                                             !0      
          1        RECV                                             !1      
    5     2        CONCAT                                           ~2      '%3A', !1
          3        ASSIGN                                                   !1, ~2
    6     4      > RETURN                                                   null

End of function %00%7Bclosure%7D%2Fin%2Fu86ul%3A4%240

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.27 ms | 1395 KiB | 17 Q