3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = 0; $data = ['a','b','c']; foreach($data as $val) { $i++; if($i == 1) { echo $val; } if($i == 2) { echo$val; } if($i == 3) { echo $val; } echo "\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 3, Position 2 = 16
Branch analysis from position: 3
2 jumps found. (Code = 78) Position 1 = 4, Position 2 = 16
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 8
Branch analysis from position: 7
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 11
Branch analysis from position: 10
2 jumps found. (Code = 43) Position 1 = 13, Position 2 = 14
Branch analysis from position: 13
1 jumps found. (Code = 42) Position 1 = 3
Branch analysis from position: 3
Branch analysis from position: 14
Branch analysis from position: 11
Branch analysis from position: 8
Branch analysis from position: 16
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 16
filename:       /in/uTsQH
function name:  (null)
number of ops:  18
compiled vars:  !0 = $i, !1 = $data, !2 = $val
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 0
    3     1        ASSIGN                                                   !1, <array>
    4     2      > FE_RESET_R                                       $5      !1, ->16
          3    > > FE_FETCH_R                                               $5, !2, ->16
    6     4    >   PRE_INC                                                  !0
    7     5        IS_EQUAL                                                 !0, 1
          6      > JMPZ                                                     ~7, ->8
    9     7    >   ECHO                                                     !2
   11     8    >   IS_EQUAL                                                 !0, 2
          9      > JMPZ                                                     ~8, ->11
   13    10    >   ECHO                                                     !2
   15    11    >   IS_EQUAL                                                 !0, 3
         12      > JMPZ                                                     ~9, ->14
   17    13    >   ECHO                                                     !2
   19    14    >   ECHO                                                     '%0A'
    4    15      > JMP                                                      ->3
         16    >   FE_FREE                                                  $5
   20    17      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
127.36 ms | 1398 KiB | 13 Q