3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cap="\x00\x90\x56"; echo (ord($cap[1]) & 0x80);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kCf91
function name:  (null)
number of ops:  8
compiled vars:  !0 = $cap
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, '%00%90V'
    5     1        INIT_FCALL                                               'ord'
          2        FETCH_DIM_R                                      ~2      !0, 1
          3        SEND_VAL                                                 ~2
          4        DO_ICALL                                         $3      
          5        BW_AND                                           ~4      $3, 128
          6        ECHO                                                     ~4
          7      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
173.44 ms | 1394 KiB | 15 Q