재문의) jump 기능 수행 시 ajax로 실행되는 파일 내에서 로그를 찍으려면?

<ul class="bo_v_com"><li><button class="btn_submit" id="goJump">점프</button></li> <?php if ($update_href) { ?><li><a href="<?php echo $update_href ?>" class="btn_b01">수정</a></li><?php } ?>— 중간 생략 —<li><a href="<?php echo $list_href ?>" class="btn_b01">목록</a></li></ul> <script>$(function() { // 점프$("#goJump").click(function() {    var totaljumotoday = "<?=$view['wr_7']?>";    if(totaljumotoday > 4) {       alert('금일 점프 허용횟수초과되었습니다.'); return false; }     if(confirm("점프를 진행하시겠습니까? " )) {      var data = 'mode=jump&wr_id=<?php echo $checkmode ?>&wr_8=<?php echo $view['wr_8'] ?>';           $.ajax ({                type:"POST",                url:"<? echo G5_URL ?>/exec.php",                data:data,                success:function(html) {$("#goJump").hide();},                error: function(xhr, option, error){alert(xhr.status); alert(error);                }           }); } </script>

<?phpinclude_once('./_common.php'); if(!$is_member) {   echo "<script>alert('회원 전용입니다.');</script>";   exit;  } .....중간 제외 .... if($_POST['mode'] == "jump") {   $wr_id = $_POST[checkmode];   $wr_8  = explode(" ",$_POST['wr_8']);   $today = date("Y-m-d");         echo "$wr_8 " ;       alert('eee');       echo "<script>alert('확인~~~');</script>";       echo "체크 함";       echo "$_POST['wr_8'] " ;     if($today == $wr_8[0]) { //오늘 날짜와 db 수정 날짜가 같으면        sql_query("update g5_write_item set wr_7 = wr_7 + 1, wr_8 = '".G5_TIME_YMDHIS."' where wr_id = '{$wr_id}' and mb_id = '{$member['mb_id']}' ");    } else {        sql_query("update g5_write_item set wr_7 = '1',     wr_8 = '".G5_TIME_YMDHIS."' where wr_id = '{$wr_id}' and mb_id = '{$member['mb_id']}'");    } }