3v4l.org

run code in 300+ PHP versions simultaneously
<?php $langCols = ['en', 'es', 'de']; array_walk($langCols, function (&$lang) { $lang = 'description_' . $lang; }); var_dump($lang, $langCols);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cEPkP
function name:  (null)
number of ops:  11
compiled vars:  !0 = $langCols, !1 = $lang
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        INIT_FCALL                                               'array_walk'
          2        SEND_REF                                                 !0
          3        DECLARE_LAMBDA_FUNCTION                                  '%00%7Bclosure%7D%2Fin%2FcEPkP%3A3%240'
    5     4        SEND_VAL                                                 ~3
          5        DO_ICALL                                                 
    6     6        INIT_FCALL                                               'var_dump'
          7        SEND_VAR                                                 !1
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Function %00%7Bclosure%7D%2Fin%2FcEPkP%3A3%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cEPkP
function name:  {closure}
number of ops:  4
compiled vars:  !0 = $lang
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV                                             !0      
    4     1        CONCAT                                           ~1      'description_', !0
          2        ASSIGN                                                   !0, ~1
    5     3      > RETURN                                                   null

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

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.65 ms | 1395 KiB | 17 Q