3v4l.org

run code in 300+ PHP versions simultaneously
<?php $asdf = []; $asdf[] = 2; echo empty($asdf[false]);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/NK3JO
function name:  (null)
number of ops:  6
compiled vars:  !0 = $asdf
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN_DIM                                               !0
          2        OP_DATA                                                  2
    5     3        ISSET_ISEMPTY_DIM_OBJ                         1  ~3      !0, <false>
          4        ECHO                                                     ~3
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
150.79 ms | 1392 KiB | 13 Q