3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); $b = 'aaa'; $c = $b.$a; echo $c;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/1to6m
function name:  (null)
number of ops:  6
compiled vars:  !0 = $a, !1 = $b, !2 = $c
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    3     1        ASSIGN                                                   !1, 'aaa'
    4     2        CONCAT                                           ~5      !1, !0
          3        ASSIGN                                                   !2, ~5
    6     4        ECHO                                                     !2
          5      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
165.22 ms | 1392 KiB | 13 Q