3v4l.org

run code in 300+ PHP versions simultaneously
<?php $o = new stdClass(); $o->a = array ( 'foo' => 1, 'bar' => 2 ); unset($o->a['foo']); var_dump($o);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/iWPea
function name:  (null)
number of ops:  11
compiled vars:  !0 = $o
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    4     3        ASSIGN_OBJ                                               !0, 'a'
    5     4        OP_DATA                                                  <array>
    9     5        FETCH_OBJ_UNSET                                  $5      !0, 'a'
          6        UNSET_DIM                                                $5, 'foo'
   11     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.6 ms | 1394 KiB | 15 Q