3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = 'h2'; while (true) { $test []= $heading; $test []= $test; echo ++$heading; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 2
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
2 jumps found. (Code = 44) Position 1 = 10, Position 2 = 2
Branch analysis from position: 10
Branch analysis from position: 2
filename:       /in/qILoP
function name:  (null)
number of ops:  11
compiled vars:  !0 = $heading, !1 = $test
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, 'h2'
          1      > JMP                                                      ->9
          2    >   ASSIGN_DIM                                               !1
          3        OP_DATA                                                  !0
          4        QM_ASSIGN                                        ~5      !1
          5        ASSIGN_DIM                                               !1
          6        OP_DATA                                                  ~5
          7        PRE_INC                                          ~6      !0
          8        ECHO                                                     ~6
          9    > > JMPNZ                                                    <true>, ->2
         10    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
147.59 ms | 1393 KiB | 13 Q