3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! $result = array(); $test = isset($result['bler']) ? $result['bler'] : 1; var_dump($test);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/FPjlh
function name:  (null)
number of ops:  12
compiled vars:  !0 = $result, !1 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, <array>
    5     1        ISSET_ISEMPTY_DIM_OBJ                         0          !0, 'bler'
          2      > JMPZ                                                     ~3, ->6
          3    >   FETCH_DIM_R                                      ~4      !0, 'bler'
          4        QM_ASSIGN                                        ~5      ~4
          5      > JMP                                                      ->7
          6    >   QM_ASSIGN                                        ~5      1
          7    >   ASSIGN                                                   !1, ~5
    6     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAR                                                 !1
         10        DO_ICALL                                                 
         11      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.21 ms | 1394 KiB | 15 Q