3v4l.org

run code in 300+ PHP versions simultaneously
<?php $GET['foo'] = 'bar'; $string = $GET['foo']?:'barista'; echo $string;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/oaCtD
function name:  (null)
number of ops:  8
compiled vars:  !0 = $GET, !1 = $string
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN_DIM                                               !0, 'foo'
          1        OP_DATA                                                  'bar'
    4     2        FETCH_DIM_R                                      ~3      !0, 'foo'
          3        JMP_SET                                          ~4      ~3, ->5
          4        QM_ASSIGN                                        ~4      'barista'
          5        ASSIGN                                                   !1, ~4
    6     6        ECHO                                                     !1
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
150.54 ms | 1392 KiB | 13 Q