3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = 'string'; if (!is_array($data) || !isset($data[$field])) { die('REACHED!'); } echo $data['no'];
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 4, Position 2 = 7
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 8, Position 2 = 9
Branch analysis from position: 8
1 jumps found. (Code = 79) Position 1 = -2
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 7
filename:       /in/ns3Ab
function name:  (null)
number of ops:  12
compiled vars:  !0 = $data, !1 = $field
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 'string'
    3     1        TYPE_CHECK                                  128  ~3      !0
          2        BOOL_NOT                                         ~4      ~3
          3      > JMPNZ_EX                                         ~4      ~4, ->7
          4    >   ISSET_ISEMPTY_DIM_OBJ                         0  ~5      !0, !1
          5        BOOL_NOT                                         ~6      ~5
          6        BOOL                                             ~4      ~6
          7    > > JMPZ                                                     ~4, ->9
    4     8    > > EXIT                                                     'REACHED%21'
    6     9    >   FETCH_DIM_R                                      ~7      !0, 'no'
         10        ECHO                                                     ~7
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
154.56 ms | 1393 KiB | 13 Q