3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo\bar; define('foo\bar\true', 'hello'); define('foo\bar\PHP_VERSION', 'world'); var_dump(true); var_dump(PHP_VERSION);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/Lttus
function name:  (null)
number of ops:  16
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_NS_FCALL_BY_NAME                                    'foo%5Cbar%5Cdefine'
          1        SEND_VAL_EX                                              'foo%5Cbar%5Ctrue'
          2        SEND_VAL_EX                                              'hello'
          3        DO_FCALL                                      0          
    6     4        INIT_NS_FCALL_BY_NAME                                    'foo%5Cbar%5Cdefine'
          5        SEND_VAL_EX                                              'foo%5Cbar%5CPHP_VERSION'
          6        SEND_VAL_EX                                              'world'
          7        DO_FCALL                                      0          
    8     8        INIT_NS_FCALL_BY_NAME                                    'foo%5Cbar%5Cvar_dump'
          9        SEND_VAL_EX                                              <true>
         10        DO_FCALL                                      0          
    9    11        INIT_NS_FCALL_BY_NAME                                    'foo%5Cbar%5Cvar_dump'
         12        FETCH_CONSTANT                                   ~3      'foo%5Cbar%5CPHP_VERSION'
         13        SEND_VAL_EX                                              ~3
         14        DO_FCALL                                      0          
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
189.94 ms | 1394 KiB | 17 Q