3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('MY_ENUM', [ 'vala' => 'Label 1', 'valb' => 'Label 2', 'valc' => 'Label 3', ]); $val_from_db = 'valb'; echo MY_ENUM[$val_from_db] ?? '';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/6Hurd
function name:  (null)
number of ops:  11
compiled vars:  !0 = $val_from_db
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'define'
          1        SEND_VAL                                                 'MY_ENUM'
    4     2        SEND_VAL                                                 <array>
    3     3        DO_ICALL                                                 
    9     4        ASSIGN                                                   !0, 'valb'
   10     5        FETCH_CONSTANT                                   ~3      'MY_ENUM'
          6        FETCH_DIM_IS                                     ~4      ~3, !0
          7        COALESCE                                         ~5      ~4
          8        QM_ASSIGN                                        ~5      ''
          9        ECHO                                                     ~5
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
141.46 ms | 998 KiB | 14 Q