3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test () { while ($data = yield) echo $data; } $d = test(); $d->send('something'); $d->send('something2');
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/03aeR
function name:  (null)
number of ops:  10
compiled vars:  !0 = $d
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    9     0  E >   INIT_FCALL                                               'test'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                                   !0, $1
   10     3        INIT_METHOD_CALL                                         !0, 'send'
          4        SEND_VAL_EX                                              'something'
          5        DO_FCALL                                      0          
   11     6        INIT_METHOD_CALL                                         !0, 'send'
          7        SEND_VAL_EX                                              'something2'
          8        DO_FCALL                                      0          
          9      > RETURN                                                   1

Function test:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 6, Position 2 = 2
Branch analysis from position: 6
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 6, Position 2 = 2
Branch analysis from position: 6
Branch analysis from position: 2
filename:       /in/03aeR
function name:  test
number of ops:  7
compiled vars:  !0 = $data
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    5     1      > JMP                                                      ->3
    6     2    >   ECHO                                                     !0
    5     3    >   YIELD                                            $1      
          4        ASSIGN                                           ~2      !0, $1
          5      > JMPNZ                                                    ~2, ->2
    7     6    > > GENERATOR_RETURN                                         

End of function test

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
187.17 ms | 1397 KiB | 14 Q