{"id":236696,"date":"2019-05-31T09:28:26","date_gmt":"2019-05-31T00:28:26","guid":{"rendered":"https:\/\/ja.wordpress.org\/support\/topic\/warning-invalid-argument-supplied-for-foreach\/"},"modified":"2019-05-31T09:31:44","modified_gmt":"2019-05-31T00:31:44","slug":"warning-invalid-argument-supplied-for-foreach","status":"publish","type":"topic","link":"https:\/\/ja.wordpress.org\/support\/topic\/warning-invalid-argument-supplied-for-foreach\/","title":{"rendered":"Warning: Invalid argument supplied for foreach() \u3068\u3044\u3046\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u65b9\u6cd5\u3092\u6559\u3048\u3066\u304f\u3060\u3055\u3044"},"content":{"rendered":"<p>\u3044\u3064\u3082\u304a\u4e16\u8a71\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<br \/>\n\u4e0b\u8a18\u306e\u8cea\u554f\u306b\u3064\u3044\u3066\u3054\u5b58\u77e5\u306e\u65b9\u304c\u3044\u3089\u3063\u3057\u3083\u3044\u307e\u3057\u305f\u3089\u3054\u6559\u793a\u3092\u9858\u3044\u307e\u3059\u3002<\/p>\n<p>&#8212;<\/p>\n<p>\u3010\u8cea\u554f\u306e\u4e3b\u65e8\u3011<\/p>\n<p>\u30d5\u30a9\u30ed\u30fc\u3092\u5fc5\u8981\u3068\u3057\u3066\u3044\u308b\u30da\u30fc\u30b8\u306eURL\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u3001\u4e0b\u8a18\u306e\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u3066\u30bf\u30b0\u306e\u30da\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002\u30bf\u30b0\u30da\u30fc\u30b8\u3092\u8868\u793a\u3055\u305b\u308b\u305f\u3081\u306b\u306f\u3001header.php\u306e\u3069\u3053\u3092\u4fee\u6b63\u3059\u308c\u3070\u826f\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n<pre><code>Warning: Invalid argument supplied for foreach() in \/var\/www\/e-yota\/wp-content\/themes\/mytheme\/header.php on line 62\n\u30b5\u30a4\u30c8\u306b\u6280\u8853\u7684\u306a\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002<\/code><\/pre>\n<p>\u3010\u8cea\u554f\u306e\u88dc\u8db3\u3011<\/p>\n<p>1.<br \/>\n\u30a8\u30e9\u30fc\u306b\u3064\u3044\u3066\u8a00\u53ca\u3055\u308c\u3066\u3044\u308bheader.php\u306e\u30da\u30fc\u30b8\u306f<a href=\"https:\/\/github.com\/echizenyayota\/e-yota\/blob\/master\/wp-content\/themes\/mytheme\/header.php#L62-L64\" rel=\"noopener noreferrer\" target=\"_blank\">GitHub<\/a>\u306b\u3066\u516c\u958b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>2.<br \/>\n\u4eca\u56de\u767a\u751f\u3057\u305f\u30a8\u30e9\u30fc\u306e\u4fee\u6b63\u306b\u95a2\u3057\u3066\u3001<a href=\"https:\/\/www.poroanet.com\/blog\/php\/251.html\" rel=\"noopener noreferrer\" target=\"_blank\">\u3053\u3061\u3089\u306e\u30da\u30fc\u30b8<\/a>\u3092\u53c2\u8003\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>3.<br \/>\n\u53c2\u8003\u306b\u3057\u305f\u30da\u30fc\u30b8\u306e\u5185\u5bb9\u306b\u57fa\u3065\u304d\u3001<\/p>\n<pre><code>if (is_array($posttags)) {\n\tforeach($posttags as $tag) {\n\t\t$termid = $tag-&gt;term_id;\n\t}              \n}<\/code><\/pre>\n<p>\u3068\u4fee\u6b63\u3059\u308b\u3068\u3001\u30bf\u30b0\u306e\u30da\u30fc\u30b8\u306b<\/p>\n<p><code>\u30b5\u30a4\u30c8\u306b\u6280\u8853\u7684\u306a\u554f\u984c\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3059\u3002<\/code><\/p>\n<p>\u3068\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>4.<br \/>\n\u53c2\u8003\u306b\u3057\u305f\u30da\u30fc\u30b8\u306e\u5185\u5bb9\u306b\u57fa\u3065\u304d\u3001<\/p>\n<pre><code>foreach((array)$posttags as $tag) {\n\t$termid = $tag-&gt;term_id;\n}<\/code><\/pre>\n<p>\u3068\u4fee\u6b63\u3059\u308b\u3068\u3001\u30bf\u30b0\u306e\u30da\u30fc\u30b8\u306b<\/p>\n<p><code>Notice: Trying to get property &#039;term_id&#039; of non-object in \/var\/www\/e-yota\/wp-content\/themes\/mytheme\/header.php on line 63<\/code><\/p>\n<p>\u3068\u3044\u3046\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>&#8212;<\/p>\n<p>\u4ee5\u4e0a\u3001\u3054\u78ba\u8a8d\u306e\u307b\u3069\u3088\u308d\u3057\u304f\u304a\u9858\u3044\u7533\u3057\u4e0a\u3052\u307e\u3059\u3002<\/p>\n","protected":false},"template":"","class_list":["post-236696","topic","type-topic","status-publish","hentry","topic-tag-14115","topic-tag-26696","topic-tag-foreach","topic-tag-warning-invalid-argument-supplied-for-foreach"],"jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/ja.wordpress.org\/support\/wp-json\/wp\/v2\/topic\/236696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ja.wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/ja.wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":3,"href":"https:\/\/ja.wordpress.org\/support\/wp-json\/wp\/v2\/topic\/236696\/revisions"}],"predecessor-version":[{"id":236700,"href":"https:\/\/ja.wordpress.org\/support\/wp-json\/wp\/v2\/topic\/236696\/revisions\/236700"}],"wp:attachment":[{"href":"https:\/\/ja.wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=236696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}