3v4l.org

run code in 300+ PHP versions simultaneously
<?php $size = array(1080); echo $size[0]??$size[1];
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/dOd7v
function name:  (null)
number of ops:  7
compiled vars:  !0 = $size
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        FETCH_DIM_IS                                     ~2      !0, 0
          2        COALESCE                                         ~3      ~2
          3        FETCH_DIM_R                                      ~4      !0, 1
          4        QM_ASSIGN                                        ~3      ~4
          5        ECHO                                                     ~3
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
163.3 ms | 1392 KiB | 13 Q