3v4l.org

run code in 300+ PHP versions simultaneously
<?php function tester() { for ($i = 1; $i < 5; $i++) { yield $i; } } print_r(tester()); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/e6ovb
function name:  (null)
number of ops:  6
compiled vars:  none
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   12     0  E >   INIT_FCALL                                               'print_r'
          1        INIT_FCALL                                               'tester'
          2        DO_FCALL                                      0  $0      
          3        SEND_VAR                                                 $0
          4        DO_ICALL                                                 
   14     5      > RETURN                                                   1

Function tester:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 7, Position 2 = 3
Branch analysis from position: 7
Branch analysis from position: 3
filename:       /in/e6ovb
function name:  tester
number of ops:  8
compiled vars:  !0 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   GENERATOR_CREATE                                         
    5     1        ASSIGN                                                   !0, 1
          2      > JMP                                                      ->5
    7     3    >   YIELD                                                    !0
    5     4        PRE_INC                                                  !0
          5    >   IS_SMALLER                                               !0, 5
          6      > JMPNZ                                                    ~4, ->3
   10     7    > > GENERATOR_RETURN                                         

End of function tester

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
191.17 ms | 1389 KiB | 16 Q