3v4l.org

run code in 300+ PHP versions simultaneously
<?php function nums() { $ary = [24,25,26,27,28,29,30,31,32]; for($x = 0,$times=1, $max = count($ary); $x < $max; $x += 2,$times++) { $cmd = (yield $ary[$x]); // yield expr var_dump($cmd,$times); if ($cmd == 'stop') { echo 'Stopped the generator during iteration ',$times,"\n"; return; } } } $gen = nums(); foreach ($gen as $value) { echo "$value\n"; if ($value == 28) { // don't let it get to 32 $gen->send('stop'); } }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 4, Position 2 = 14
Branch analysis from position: 4
2 jumps found. (Code = 78) Position 1 = 5, Position 2 = 14
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 13
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 4
Branch analysis from position: 4
Branch analysis from position: 13
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/GIkPW
function name:  (null)
number of ops:  16
compiled vars:  !0 = $gen, !1 = $value
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   INIT_FCALL                                               'nums'
          1        DO_FCALL                                      0  $2      
          2        ASSIGN                                                   !0, $2
   17     3      > FE_RESET_R                                       $4      !0, ->14
          4    > > FE_FETCH_R                                               $4, !1, ->14
   18     5    >   NOP                                                      
          6        FAST_CONCAT                                      ~5      !1, '%0A'
          7        ECHO                                                     ~5
   19     8        IS_EQUAL                                                 !1, 28
          9      > JMPZ                                                     ~6, ->13
   20    10    >   INIT_METHOD_CALL                                         !0, 'send'
         11        SEND_VAL_EX                                              'stop'
         12        DO_FCALL                                      0          
   17    13    > > JMP                                                      ->4
         14    >   FE_FREE                                                  $4
   22    15      > RETURN                                                   1

Function nums:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 7
Branch analysis from position: 24
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 20
Branch analysis from position: 16
1 jumps found. (Code = 161) Position 1 = -2
Branch analysis from position: 20
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 7
Branch analysis from position: 24
Branch analysis from position: 7
filename:       /in/GIkPW
function name:  nums
number of ops:  25
compiled vars:  !0 = $ary, !1 = $x, !2 = $times, !3 = $max, !4 = $cmd
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   GENERATOR_CREATE                                         
    3     1        ASSIGN                                                   !0, <array>
    5     2        ASSIGN                                                   !1, 0
          3        ASSIGN                                                   !2, 1
          4        COUNT                                            ~8      !0
          5        ASSIGN                                                   !3, ~8
          6      > JMP                                                      ->22
    6     7    >   FETCH_DIM_R                                      ~10     !0, !1
          8        YIELD                                            $11     ~10
          9        ASSIGN                                                   !4, $11
    7    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !4
         12        SEND_VAR                                                 !2
         13        DO_ICALL                                                 
    8    14        IS_EQUAL                                                 !4, 'stop'
         15      > JMPZ                                                     ~14, ->20
    9    16    >   ECHO                                                     'Stopped+the+generator+during+iteration+'
         17        ECHO                                                     !2
         18        ECHO                                                     '%0A'
   10    19      > GENERATOR_RETURN                                         
    5    20    >   ASSIGN_OP                                     1          !1, 2
         21        PRE_INC                                                  !2
         22    >   IS_SMALLER                                               !1, !3
         23      > JMPNZ                                                    ~17, ->7
   13    24    > > GENERATOR_RETURN                                         

End of function nums

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.76 ms | 1394 KiB | 16 Q