3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo $a['b']['g'] ?? 'cc';
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/pGhl6
function name:  (null)
number of ops:  6
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   FETCH_DIM_IS                                     ~1      !0, 'b'
          1        FETCH_DIM_IS                                     ~2      ~1, 'g'
          2        COALESCE                                         ~3      ~2
          3        QM_ASSIGN                                        ~3      'cc'
          4        ECHO                                                     ~3
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
160.63 ms | 1383 KiB | 13 Q