3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a ="zz"; $b = "zz"; $a++; $b--; var_dump($a); var_dump($b);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/fq8Qo
function name:  (null)
number of ops:  11
compiled vars:  !0 = $a, !1 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'zz'
    4     1        ASSIGN                                                   !1, 'zz'
    6     2        PRE_INC                                                  !0
    7     3        PRE_DEC                                                  !1
    9     4        INIT_FCALL                                               'var_dump'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                                 
   10     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !1
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
146.82 ms | 1394 KiB | 15 Q