3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$a='dfd'; $b = $a || null; var_dump($b);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 47) Position 1 = 1, Position 2 = 2
Branch analysis from position: 1
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
filename:       /in/5veoM
function name:  (null)
number of ops:  7
compiled vars:  !0 = $b, !1 = $a
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E > > JMPNZ_EX                                         ~2      !1, ->2
          1    >   BOOL                                             ~2      null
          2    >   ASSIGN                                                   !0, ~2
    4     3        INIT_FCALL                                               'var_dump'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                                 
          6      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.01 ms | 1385 KiB | 15 Q