3v4l.org

run code in 300+ PHP versions simultaneously
<?php $section = new ArrayObject(); if (isset($section['Endpoint']['class'])) echo '[bad] class is set?'; else echo '[good] class not set.';
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 8
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/KgV3Z
function name:  (null)
number of ops:  10
compiled vars:  !0 = $section
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $1      'ArrayObject'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $1
    5     3        FETCH_DIM_IS                                     ~4      !0, 'Endpoint'
          4        ISSET_ISEMPTY_DIM_OBJ                         0          ~4, 'class'
          5      > JMPZ                                                     ~5, ->8
    6     6    >   ECHO                                                     '%5Bbad%5D+class+is+set%3F'
          7      > JMP                                                      ->9
    8     8    >   ECHO                                                     '%5Bgood%5D+class+not+set.'
          9    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
144.15 ms | 1384 KiB | 13 Q