3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(0); define('SINGLE_QUOTE', '\''); define('COMMA', ','); define('SPACE', ' '); echo SINGLE_QUOTE, hello, COMMA, SPACE, world, SINGLE_QUOTE;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/V1SHT
function name:  (null)
number of ops:  28
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                               'error_reporting'
          1        SEND_VAL                                                 0
          2        DO_ICALL                                                 
    5     3        INIT_FCALL                                               'define'
          4        SEND_VAL                                                 'SINGLE_QUOTE'
          5        SEND_VAL                                                 '%27'
          6        DO_ICALL                                                 
    6     7        INIT_FCALL                                               'define'
          8        SEND_VAL                                                 'COMMA'
          9        SEND_VAL                                                 '%2C'
         10        DO_ICALL                                                 
    7    11        INIT_FCALL                                               'define'
         12        SEND_VAL                                                 'SPACE'
         13        SEND_VAL                                                 '+'
         14        DO_ICALL                                                 
    9    15        FETCH_CONSTANT                                   ~4      'SINGLE_QUOTE'
         16        ECHO                                                     ~4
         17        FETCH_CONSTANT                                   ~5      'hello'
         18        ECHO                                                     ~5
         19        FETCH_CONSTANT                                   ~6      'COMMA'
         20        ECHO                                                     ~6
         21        FETCH_CONSTANT                                   ~7      'SPACE'
         22        ECHO                                                     ~7
         23        FETCH_CONSTANT                                   ~8      'world'
         24        ECHO                                                     ~8
         25        FETCH_CONSTANT                                   ~9      'SINGLE_QUOTE'
         26        ECHO                                                     ~9
         27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
165.36 ms | 1395 KiB | 17 Q