3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gen() { echo "yielding\n"; yield 24; echo "yielding again\n"; yield 33; echo "returning\n"; return 42; } $g = gen(); var_dump($g->valid()); var_dump($g->key()); var_dump($g->current()); echo "1"; $g->next(); var_dump($g->valid()); var_dump($g->key()); var_dump($g->current()); echo "2"; $g->next(); var_dump($g->valid()); var_dump($g->key()); var_dump($g->current()); echo "3"; $g->next(); var_dump($g->valid()); var_dump($g->key()); var_dump($g->current()); $g->next(); echo "Sup";
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/ATJA5
function name:  (null)
number of ops:  76
compiled vars:  !0 = $g
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                               'gen'
          1        DO_FCALL                                      0  $1      
          2        ASSIGN                                                   !0, $1
   13     3        INIT_FCALL                                               'var_dump'
          4        INIT_METHOD_CALL                                         !0, 'valid'
          5        DO_FCALL                                      0  $3      
          6        SEND_VAR                                                 $3
          7        DO_ICALL                                                 
   14     8        INIT_FCALL                                               'var_dump'
          9        INIT_METHOD_CALL                                         !0, 'key'
         10        DO_FCALL                                      0  $5      
         11        SEND_VAR                                                 $5
         12        DO_ICALL                                                 
   15    13        INIT_FCALL                                               'var_dump'
         14        INIT_METHOD_CALL                                         !0, 'current'
         15        DO_FCALL                                      0  $7      
         16        SEND_VAR                                                 $7
         17        DO_ICALL                                                 
   16    18        ECHO                                                     '1'
   17    19        INIT_METHOD_CALL                                         !0, 'next'
         20        DO_FCALL                                      0          
   18    21        INIT_FCALL                                               'var_dump'
         22        INIT_METHOD_CALL                                         !0, 'valid'
         23        DO_FCALL                                      0  $10     
         24        SEND_VAR                                                 $10
         25        DO_ICALL                                                 
   19    26        INIT_FCALL                                               'var_dump'
         27        INIT_METHOD_CALL                                         !0, 'key'
         28        DO_FCALL                                      0  $12     
         29        SEND_VAR                                                 $12
         30        DO_ICALL                                                 
   20    31        INIT_FCALL                                               'var_dump'
         32        INIT_METHOD_CALL                                         !0, 'current'
         33        DO_FCALL                                      0  $14     
         34        SEND_VAR                                                 $14
         35        DO_ICALL                                                 
   21    36        ECHO                                                     '2'
   22    37        INIT_METHOD_CALL                                         !0, 'next'
         38        DO_FCALL                                      0          
   23    39        INIT_FCALL                                               'var_dump'
         40        INIT_METHOD_CALL                                         !0, 'valid'
         41        DO_FCALL                                      0  $17     
         42        SEND_VAR                                                 $17
         43        DO_ICALL                                                 
   24    44        INIT_FCALL                                               'var_dump'
         45        INIT_METHOD_CALL                                         !0, 'key'
         46        DO_FCALL                                      0  $19     
         47        SEND_VAR                                                 $19
         48        DO_ICALL                                                 
   25    49        INIT_FCALL                                               'var_dump'
         50        INIT_METHOD_CALL                                         !0, 'current'
         51        DO_FCALL                                      0  $21     
         52        SEND_VAR                                                 $21
         53        DO_ICALL                                                 
   26    54        ECHO                                                     '3'
   27    55        INIT_METHOD_CALL                                         !0, 'next'
         56        DO_FCALL                                      0          
   28    57        INIT_FCALL                                               'var_dump'
         58        INIT_METHOD_CALL                                         !0, 'valid'
         59        DO_FCALL                                      0  $24     
         60        SEND_VAR                                                 $24
         61        DO_ICALL                                                 
   29    62        INIT_FCALL                                               'var_dump'
         63        INIT_METHOD_CALL                                         !0, 'key'
         64        DO_FCALL                                      0  $26     
         65        SEND_VAR                                                 $26
         66        DO_ICALL                                                 
   30    67        INIT_FCALL                                               'var_dump'
         68        INIT_METHOD_CALL                                         !0, 'current'
         69        DO_FCALL                                      0  $28     
         70        SEND_VAR                                                 $28
         71        DO_ICALL                                                 
   31    72        INIT_METHOD_CALL                                         !0, 'next'
         73        DO_FCALL                                      0          
   32    74        ECHO                                                     'Sup'
         75      > RETURN                                                   1

Function gen:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 161) Position 1 = -2
filename:       /in/ATJA5
function name:  gen
number of ops:  8
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    4     1        ECHO                                                     'yielding%0A'
    5     2        YIELD                                                    24
    6     3        ECHO                                                     'yielding+again%0A'
    7     4        YIELD                                                    33
    8     5        ECHO                                                     'returning%0A'
    9     6      > GENERATOR_RETURN                                         
   10     7*     > GENERATOR_RETURN                                         

End of function gen

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
164.7 ms | 1403 KiB | 16 Q