3v4l.org

run code in 300+ PHP versions simultaneously
<?php $size = 7; for($i = 0; $i < $size; $i++){ for($j = 0; $j < $size; $j++){ echo '@'; /*if($i = 0 || $i = $size-1) echo '@'; elseif($j = 0 || $j = $size-1) echo '@'; else echo '*';*/ } //echo "</br>"; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
2 jumps found. (Code = 44) Position 1 = 12, Position 2 = 3
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 7
Branch analysis from position: 7
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 5
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 12, Position 2 = 3
Branch analysis from position: 12
Branch analysis from position: 3
Branch analysis from position: 5
2 jumps found. (Code = 44) Position 1 = 9, Position 2 = 5
Branch analysis from position: 9
Branch analysis from position: 5
filename:       /in/HiOb0
function name:  (null)
number of ops:  13
compiled vars:  !0 = $size, !1 = $i, !2 = $j
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 7
    3     1        ASSIGN                                                   !1, 0
          2      > JMP                                                      ->10
    4     3    >   ASSIGN                                                   !2, 0
          4      > JMP                                                      ->7
    5     5    >   ECHO                                                     '%40'
    4     6        PRE_INC                                                  !2
          7    >   IS_SMALLER                                               !2, !0
          8      > JMPNZ                                                    ~7, ->5
    3     9    >   PRE_INC                                                  !1
         10    >   IS_SMALLER                                               !1, !0
         11      > JMPNZ                                                    ~9, ->3
   14    12    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
148.81 ms | 1393 KiB | 13 Q