3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = 'ab c1'; ++$s; var_dump($s); $s = '%'; ++$s; var_dump($s);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/jtTtD
function name:  (null)
number of ops:  11
compiled vars:  !0 = $s
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'ab+c1'
    4     1        PRE_INC                                                  !0
    5     2        INIT_FCALL                                               'var_dump'
          3        SEND_VAR                                                 !0
          4        DO_ICALL                                                 
    8     5        ASSIGN                                                   !0, '%25'
    9     6        PRE_INC                                                  !0
   10     7        INIT_FCALL                                               'var_dump'
          8        SEND_VAR                                                 !0
          9        DO_ICALL                                                 
         10      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
137.91 ms | 996 KiB | 14 Q