3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = false; echo empty($a['data']['a']);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/h9Ve4
function name:  (null)
number of ops:  5
compiled vars:  !0 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <false>
    5     1        FETCH_DIM_IS                                     ~2      !0, 'data'
          2        ISSET_ISEMPTY_DIM_OBJ                         1  ~3      ~2, 'a'
          3        ECHO                                                     ~3
          4      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
156.1 ms | 1392 KiB | 13 Q