3v4l.org

run code in 300+ PHP versions simultaneously
<?php // https://bugs.php.net/bug.php?id=71927 define('great','my'); $great='fantastic'; $my='my value'; echo "This is ", ${great }, "\n"; echo "This is ", ${ great}, "\n"; echo "This is ", ${ great }, "\n"; echo "This is ", ${great}, "\n";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/i2kOP
function name:  (null)
number of ops:  27
compiled vars:  !0 = $great, !1 = $my
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   INIT_FCALL                                               'define'
          1        SEND_VAL                                                 'great'
          2        SEND_VAL                                                 'my'
          3        DO_ICALL                                                 
    5     4        ASSIGN                                                   !0, 'fantastic'
    6     5        ASSIGN                                                   !1, 'my+value'
    8     6        ECHO                                                     'This+is+'
          7        FETCH_CONSTANT                                   ~5      'great'
          8        FETCH_R                      local               ~6      ~5
          9        ECHO                                                     ~6
         10        ECHO                                                     '%0A'
    9    11        ECHO                                                     'This+is+'
         12        FETCH_CONSTANT                                   ~7      'great'
         13        FETCH_R                      local               ~8      ~7
         14        ECHO                                                     ~8
         15        ECHO                                                     '%0A'
   10    16        ECHO                                                     'This+is+'
         17        FETCH_CONSTANT                                   ~9      'great'
         18        FETCH_R                      local               ~10     ~9
         19        ECHO                                                     ~10
         20        ECHO                                                     '%0A'
   11    21        ECHO                                                     'This+is+'
         22        FETCH_CONSTANT                                   ~11     'great'
         23        FETCH_R                      local               ~12     ~11
         24        ECHO                                                     ~12
         25        ECHO                                                     '%0A'
         26      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
125.79 ms | 1400 KiB | 15 Q