post/pre inc bench php

$test = [];
for($i = 0; $i < 100; $i++)
{
    $test[$i] = $i;
}
line     # *  op                           fetch          ext  return  operands
---------------------------------------------------------------------------------
   2     0  >   EXT_STMT
         1      INIT_ARRAY                                       ~0
         2      ASSIGN                                                   !0, ~0
   3     3      EXT_STMT
         4      ASSIGN                                                   !1, 0
         5  >   IS_SMALLER                                       ~3      !1, 100
         6      EXT_STMT
         7    > JMPZNZ                                        B          ~3, ->15
         8  >   POST_INC                                         ~4      !1
         9      FREE                                                     ~4
        10    > JMP                                                      ->5
   5    11  >   EXT_STMT
        12      ZEND_ASSIGN_DIM                                          !0, !1
        13      ZEND_OP_DATA                                             !1, $6
   6    14    > JMP                                                      ->8
        15  > > RETURN                                                   1

$test = [];
for($i = 0; $i < 100; ++$i)
{
    $test[$i] = $i;
}
line     # *  op                           fetch          ext  return  operands
---------------------------------------------------------------------------------
   2     0  >   EXT_STMT
         1      INIT_ARRAY                                       ~0
         2      ASSIGN                                                   !0, ~0
   3     3      EXT_STMT
         4      ASSIGN                                                   !1, 0
         5  >   IS_SMALLER                                       ~3      !1, 100
         6      EXT_STMT
         7    > JMPZNZ                                        A          ~3, ->14
         8  >   PRE_INC                                                  !1
         9    > JMP                                                      ->5
   5    10  >   EXT_STMT
        11      ZEND_ASSIGN_DIM                                          !0, !1
        12      ZEND_OP_DATA                                             !1, $6
   6    13    > JMP                                                      ->8
        14  > > RETURN                                                   1