3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new stdClass(); $obj->foo = 'bar'; $var = 'foo'; echo "$obj->$var";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/cOATY
function name:  (null)
number of ops:  11
compiled vars:  !0 = $obj, !1 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $2      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $2
    4     3        ASSIGN_OBJ                                               !0, 'foo'
          4        OP_DATA                                                  'bar'
    5     5        ASSIGN                                                   !1, 'foo'
    6     6        ROPE_INIT                                     3  ~8      !0
          7        ROPE_ADD                                      1  ~8      ~8, '-%3E'
          8        ROPE_END                                      2  ~7      ~8, !1
          9        ECHO                                                     ~7
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
175.36 ms | 1393 KiB | 13 Q