3v4l.org

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

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
151.17 ms | 1393 KiB | 13 Q