3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gen() { yield 1; yield 2; yield 3; } $g = gen(); var_dump($g instanceof Traversable);
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/J3uq5
function name:  (null)
number of ops:  8
compiled vars:  !0 = $g
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    7     0  E >   INIT_FCALL                                               'gen'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                                   !0, $1
    8     3        INIT_FCALL                                               'var_dump'
          4        INSTANCEOF                                       ~3      !0, 'Traversable'
          5        SEND_VAL                                                 ~3
          6        DO_ICALL                                                 
          7      > RETURN                                                   1

Function gen:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/J3uq5
function name:  gen
number of ops:  5
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   GENERATOR_CREATE                                         
    3     1        YIELD                                                    1
    4     2        YIELD                                                    2
    5     3        YIELD                                                    3
    6     4      > GENERATOR_RETURN                                         

End of function gen

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
158.32 ms | 1397 KiB | 16 Q