3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foobar(array $params = array('baz' => false)) { var_dump($params); } foobar(); foobar(array('foo' => 42)); foobar(array('baz' => 42));
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aqBvk
function name:  (null)
number of ops:  9
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'foobar'
          1        DO_FCALL                                      0          
    8     2        INIT_FCALL                                               'foobar'
          3        SEND_VAL                                                 <array>
          4        DO_FCALL                                      0          
    9     5        INIT_FCALL                                               'foobar'
          6        SEND_VAL                                                 <array>
          7        DO_FCALL                                      0          
          8      > RETURN                                                   1

Function foobar:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/aqBvk
function name:  foobar
number of ops:  5
compiled vars:  !0 = $params
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   RECV_INIT                                        !0      <array>
    4     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
    5     4      > RETURN                                                   null

End of function foobar

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
165.68 ms | 1396 KiB | 18 Q