\u30d6\u30ed\u30b0\u306e\u8a18\u4e8b\u304c\u53e4\u3044\u5834\u5408\u306b\u300c\u3053\u306e\u8a18\u4e8b\u306f\u53e4\u3044\u304b\u3089\u6ce8\u610f\u3057\u3066\u306d\u301c\u300d\u307f\u305f\u3044\u306a\u304a\u77e5\u3089\u305b\u304c\u8868\u793a\u3055\u308c\u308b\u30b5\u30a4\u30c8\u3092\u305f\u307e\u306b\u898b\u304b\u3051\u307e\u305b\u3093\u304b\uff1f<\/p>\n
\u3053\u306e\u30b5\u30a4\u30c8\u3082\u8cde\u5473\u671f\u9650\u5207\u308c\u306e\u8a18\u4e8b\u304c\u3042\u308a\u305d\u3046\u306a\u6c17\u914d\u304c\u30e0\u30f3\u30e0\u30f3\u3057\u3066\u304d\u305f\u306e\u3067\u3001\u534a\u5e74\u4ee5\u4e0a\u524d\u306e\u8a18\u4e8b\u306f\u53e4\u304f\u306a\u3063\u3066\u307e\u3059\u3088\u301c\u3063\u3066\u8868\u793a\u3057\u3088\u3046\u3068\u601d\u3044\u3001\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002\n<\/p>\n
[php]<?php<\/p>\n
function day_diff($date1, $date2) {<\/p>\n
\/\/ \u65e5\u4ed8\u3092UNIX\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u306b\u5909\u63db
\n $timestamp1 = strtotime($date1);
\n $timestamp2 = strtotime($date2);<\/p>\n
\/\/ \u4f55\u79d2\u96e2\u308c\u3066\u3044\u308b\u304b\u3092\u8a08\u7b97
\n $seconddiff = abs($timestamp2 – $timestamp1);<\/p>\n
\/\/ \u65e5\u6570\u306b\u5909\u63db
\n $daydiff = $seconddiff \/ (60 * 60 * 24);<\/p>\n
\/\/ \u623b\u308a\u5024
\n return $daydiff;<\/p>\n
}<\/p>\n
\/\/\u672c\u65e5\u306e\u65e5\u4ed8\u3092\u53d6\u5f97
\n$today = date("Y-m-d");<\/p>\n
\/\/\u8868\u793a\u4e2d\u306e\u8a18\u4e8b\u306e\u6295\u7a3f\u65e5\u53d6\u5f97
\n$posted = get_the_date(‘Y-m-d’);<\/p>\n
\/\/ \u65e5\u4ed8\u3092\u95a2\u6570\u306b\u6e21\u3059
\n$day = day_diff($today, $posted);<\/p>\n
?>[\/php]<\/p>\n
\u30b3\u30fc\u30c9\u5185\u306b\u8aac\u660e\u304c\u5165\u3063\u3066\u3044\u308b\u306e\u3067\u3001\u7279\u306b\u89e3\u8aac\u3059\u308b\u5fc5\u8981\u3082\u306a\u3044\u304b\u3082\u3067\u3059\u304c\u3001\u4e00\u5fdc\u3001\u8aac\u660e\u3059\u308b\u3068\u3001day_diff\u95a2\u6570\u306f\u30012\u3064\u306e\u65e5\u4ed8\u3092\u6bd4\u8f03\u3057\u3066\u3001\u65e5\u6570\u306e\u5dee\u3092\u8fd4\u3057\u307e\u3059\u3002\u53c2\u8003\u30b5\u30a4\u30c8\u69d8\u304b\u3089\u3001\u305d\u306e\u307e\u307e\u62dd\u501f\u3057\u3066\u3044\u307e\u3059\u3002(\u30fb\u30fb;)<\/p>\n
date\u95a2\u6570\u3068\u3001WordPress\u306eget_the_date\u95a2\u6570\u306f\u3001\u672c\u65e5\u306e\u65e5\u4ed8\u3001\u8a18\u4e8b\u306e\u6295\u7a3f\u65e5\u3092\u305d\u308c\u305e\u308c\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
2\u3064\u306e\u65e5\u4ed8\u3092\u5148\u307b\u3069\u306eday_diff\u95a2\u6570\u306b\u6e21\u3057\u307e\u3059\u3002$day\u306b\u306f\u3001\u7d4c\u904e\u65e5\u6570\u304c\u5165\u308a\u307e\u3059\u3002<\/p>\n
[php]$day = day_diff($today, $posted);[\/php]<\/p>\n
\u3042\u3068\u306f\u3001$day\u3092\u304a\u597d\u307f\u306b\u5224\u5225\u3057\u3066\u3001\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u5f53\u30b5\u30a4\u30c8\u3067\u306f\u3001$day\u304c180\u3092\u8d85\u3048\u3066\u305f\u3089\u3001\u5927\u4f53\u534a\u5e74\u306f\u904e\u304e\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u307f\u305f\u3044\u306a\u611f\u3058\u3067\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
[php]<?php
\n\/\/180\u65e5\u3092\u904e\u304e\u3066\u3044\u308b\u5834\u5408
\nif($day > 180){ ?>
\n<p>\u95b2\u89a7\u4e2d\u306e\u8a18\u4e8b\u306f\u534a\u5e74\u4ee5\u4e0a\u524d\u306e\u8a18\u4e8b\u3067\u3059\u306e\u3067\u3001\u5185\u5bb9\u304c\u53e4\u304f\u306a\u3063\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3088\u301c\u3002<\/p>
\n<?php } ?>[\/php]<\/p>\n