3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo() { echo "foo"; } foo;
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bPARJ
function name:  (null)
number of ops:  4
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E >   NOP                                                      
         1        FETCH_CONSTANT                                   ~0      'foo'
         2        FREE                                                     ~0
         3      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/bPARJ
function name:  foo
number of ops:  2
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
         0  E >   ECHO                                                     'foo'
         1      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 7.3.0