3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($i=0;$i<100;$i++){ $a = (string)(string)(string)(string)(string)(string) 'a'; $b = 'b'; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 11
Branch analysis from position: 11
2 jumps found. (Code = 44) Position 1 = 13, Position 2 = 2
Branch analysis from position: 13
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 13, Position 2 = 2
Branch analysis from position: 13
Branch analysis from position: 2
filename:       /in/S3S96
function name:  (null)
number of ops:  14
compiled vars:  !0 = $i, !1 = $a, !2 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, 0
          1      > JMP                                                      ->11
    3     2    >   CAST                                          6  ~4      'a'
          3        CAST                                          6  ~5      ~4
          4        CAST                                          6  ~6      ~5
          5        CAST                                          6  ~7      ~6
          6        CAST                                          6  ~8      ~7
          7        CAST                                          6  ~9      ~8
          8        ASSIGN                                                   !1, ~9
    4     9        ASSIGN                                                   !2, 'b'
    2    10        PRE_INC                                                  !0
         11    >   IS_SMALLER                                               !0, 100
         12      > JMPNZ                                                    ~13, ->2
    5    13    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.07 ms | 1393 KiB | 13 Q