3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo () { $bar = 'bar1'; echo $GLOBALS['bar'].' <br/>'; echo $bar; } $bar = 'bar2'; foo();
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3BQSH
function name:  (null)
number of ops:  4
compiled vars:  !0 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    8     0  E >   ASSIGN                                                   !0, 'bar2'
    9     1        INIT_FCALL                                               'foo'
          2        DO_FCALL                                      0          
          3      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/3BQSH
function name:  foo
number of ops:  7
compiled vars:  !0 = $bar
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, 'bar1'
    5     1        FETCH_R                      global              ~2      'GLOBALS'
          2        FETCH_DIM_R                                      ~3      ~2, 'bar'
          3        CONCAT                                           ~4      ~3, '+%3Cbr%2F%3E'
          4        ECHO                                                     ~4
    6     5        ECHO                                                     !0
    7     6      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.53 ms | 1401 KiB | 14 Q