3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($test = array()) { echo (is_array($test)) ? 'ja' : 'nein'; } foo(array()); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4k8XT
function name:  (null)
number of ops:  4
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   INIT_FCALL                                               'foo'
          1        SEND_VAL                                                 <array>
          2        DO_FCALL                                      0          
    6     3      > RETURN                                                   1

Function foo:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/4k8XT
function name:  foo
number of ops:  8
compiled vars:  !0 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV_INIT                                        !0      <array>
    3     1        TYPE_CHECK                                  128          !0
          2      > JMPZ                                                     ~1, ->5
          3    >   QM_ASSIGN                                        ~2      'ja'
          4      > JMP                                                      ->6
          5    >   QM_ASSIGN                                        ~2      'nein'
          6    >   ECHO                                                     ~2
    4     7      > RETURN                                                   null

End of function foo

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
152.21 ms | 1397 KiB | 14 Q