3v4l.org

run code in 300+ PHP versions simultaneously
<?php $h = null; for($i=0; $i<100; $i++) { $h = new stdClass(array('pack' => $h)); }
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 = 11, Position 2 = 3
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 3
2 jumps found. (Code = 44) Position 1 = 11, Position 2 = 3
Branch analysis from position: 11
Branch analysis from position: 3
filename:       /in/C8Pv0
function name:  (null)
number of ops:  12
compiled vars:  !0 = $h, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, null
    3     1        ASSIGN                                                   !1, 0
          2      > JMP                                                      ->9
    4     3    >   NEW                                              $4      'stdClass'
          4        INIT_ARRAY                                       ~5      !0, 'pack'
          5        SEND_VAL_EX                                              ~5
          6        DO_FCALL                                      0          
          7        ASSIGN                                                   !0, $4
    3     8        PRE_INC                                                  !1
          9    >   IS_SMALLER                                               !1, 100
         10      > JMPNZ                                                    ~9, ->3
    5    11    > > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
157.24 ms | 1397 KiB | 13 Q