3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = 'a'; $var1 = "'$var1'"; echo $var1; $var1 = '$var1'; echo $var1;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/R1jSd
function name:  (null)
number of ops:  9
compiled vars:  !0 = $var1
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'a'
    4     1        ROPE_INIT                                     3  ~3      '%27'
          2        ROPE_ADD                                      1  ~3      ~3, !0
          3        ROPE_END                                      2  ~2      ~3, '%27'
          4        ASSIGN                                                   !0, ~2
    5     5        ECHO                                                     !0
    8     6        ASSIGN                                                   !0, '%24var1'
    9     7        ECHO                                                     !0
          8      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
153.77 ms | 1384 KiB | 13 Q