{"id":992,"date":"2018-12-19T13:37:13","date_gmt":"2018-12-19T04:37:13","guid":{"rendered":"https:\/\/qol-kk.com\/wp2\/?p=992"},"modified":"2018-12-27T09:33:29","modified_gmt":"2018-12-27T00:33:29","slug":"post-992","status":"publish","type":"post","link":"https:\/\/qol-kk.com\/wp2\/blog\/2018\/12\/19\/post-992\/","title":{"rendered":"Laravel\uff1aTrying to get property of non-object \u30a8\u30e9\u30fc"},"content":{"rendered":"<h2>\u30a8\u30e9\u30fc\uff1aTrying to get property of non-object<\/h2>\n<p>\u5546\u54c1\u60c5\u5831\u7b49\u3092\u6271\u3046\u3068\u7247\u65b9\u306b\u306f\u30c7\u30fc\u30bf\u304c\u3042\u3063\u3066\u3082\u3046\u7247\u65b9\u306b\u306f\u306a\u3044\u306a\u3093\u3066\u4e8b\u304c\u3056\u3089\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Eloquant\u3067\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u66f8\u3044\u3066\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u5148\u306e\u5024\u3092\u547c\u3073\u51fa\u3057\u305f\u3044\u3068\u304d\u3001Laravel\u306e\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u306f\u7b49\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true\">{{itemsize-&gt;item-&gt;name}}<\/pre>\n<p>\u3053\u3093\u306a\u611f\u3058\u3067View\u306b\u66f8\u304f\u3060\u3051\u3067\u5024\u3092\u53d6\u3063\u3066\u304f\u308b\u3093\u3067\u3059\u304b\u3089\u76f4\u6253\u3061PHP\u3068\u6bd4\u3079\u3066\u5224\u308a\u6613\u3055\u3082\u66f8\u304d\u3084\u3059\u3055\u3082\u6bb5\u9055\u3044\u3067\u3059\u3002<\/p>\n<p>\u305d\u3046\u601d\u3063\u3066\u3044\u305f\u77e2\u5148\u306e\u4e8b\u3067\u3059\u3002<\/p>\n<p>Table:items\u306b\u7121\u3044\u5546\u54c1\u306e\u30b5\u30a4\u30ba\u3092\u5148\u306bTable:itemsizes\u306b\u8a18\u8f09\u3057\u305f\u6642\u3001\u4e8b\u4ef6\u306f\u8d77\u3053\u308a\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:default decode:true \">Trying to get property of non-object(View: \/hogehoge\/index.blade.php)<\/pre>\n<p>\u767a\u751f\u539f\u56e0\u306f\u660e\u767d\u3067\u3059\u3002<\/p>\n<div class=\"exclamationBox\">\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u306e\u5148\u306b\u5024\u304c\u7121\u3044<\/div>\n<p>\u306f\u3044\u3001\u7406\u89e3\u3057\u3066\u307e\u3059\u3002\u3067\u3082\u306d\u3001\u30e1\u30fc\u30ab\u30fc\u304b\u3089\u30ab\u30bf\u30ed\u30b0\u6765\u3066\u30b5\u30a4\u30ba\u5165\u308c\u305f\u3044\u5546\u54c1\u306e\u30b5\u30a4\u30ba\u5165\u308c\u3066\u300e\u3064\u3044\u3067\u306b\u300f\u3063\u3066\u4e8b\u3082\u3042\u308b\u8a33\u3067\u3059\u3088\u3002\u9806\u5e8f\u3092\u5b88\u3063\u305f\u65b9\u304c\u6574\u5408\u6027\u3092\u53d6\u308a\u6613\u3044\u4e8b\u306f\u7406\u89e3\u3057\u3066\u307e\u3059\u304c\u3001\u52b9\u7387\u3092\u8003\u3048\u305f\u6642\u3001\u5148\u306b\u767b\u9332\u3057\u3066\u3057\u307e\u3046\u4e8b\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u5148\u306b\u5024\u304c\u7121\u3044\u6642NULL\u3057\u3066\u6b32\u3057\u3044<\/h3>\n<p>\u305d\u3046\u306a\u3093\u3067\u3059\u3002\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u5148\u304c\u7121\u304b\u3063\u305f\u6642\u306bNull\u8fd4\u3057\u3066\u304f\u308c\u308c\u3070\u3044\u3044\u3093\u3067\u3059\u3002<\/p>\n<p>\u305d\u3093\u306a\u95a2\u6570\u304c\u3042\u3063\u305f\u306e\u3067\u5099\u5fd8\u9332\u3068\u3057\u3066\u8a18\u3057\u307e\u3059\u3002<\/p>\n<h3>optional($item-&gt;itemsize)-&gt;size\u3067\u89e3\u6c7a<\/h3>\n<p>Laravel\u3055\u3093\u306f\u3044\u308d\u3044\u308d\u4fbf\u5229\u306a\u3084\u3064\u304c\u3042\u308a\u307e\u3059\u306d\u3002<\/p>\n<p>\u30d8\u30eb\u30d1\u30fc\u95a2\u6570optional()\u306f\u7b2c\u4e8c\u56e0\u6570\u3068\u5171\u306b\u5229\u7528\u3057\u3001\u7b2c\u4e00\u56e0\u6570(optional\u306e\u4e2d)\u304cNull\u3067\u306a\u3044\u6642\u3001\u7b2c\u4e8c\u56e0\u6570\u3092\u5b9f\u884c\u3059\u308b\u305d\u3046\u3067\u3059\u3002<\/p>\n<p>\u30e4\u30d0\u3044\u3001\u8d85\u4fbf\u5229\u304b\u3082\u3057\u308c\u306a\u3044\u3002<\/p>\n<pre class=\"lang:default decode:true\">\/\/\u30d3\u30e5\u30fc\u306b\r\n\r\n@foreach($items as $item)\r\n    {{optional($itemsize-&gt;item)-&gt;name}}\r\n@endforeach<\/pre>\n<p>\u3053\u308c\u3067\u5148\u306b\u5546\u54c1\u30b5\u30a4\u30ba\u3092\u66f8\u3044\u3066\u3082non-object\u30a8\u30e9\u30fc\u304c\u51fa\u306a\u3044\u3067\u6e08\u3080\uff01<\/p>\n<p>\u3042\u308a\u304c\u3068\u3046\u3001optional()\uff01<\/p>\n<h3>\u307e\u3068\u3081<\/h3>\n<p>CSV\u306a\u3069\u3067\u4e00\u6c17\u306b\u66f4\u65b0\/\u8ffd\u52a0\u3057\u305f\u3044\uff11\u5bfe\u591a\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u308b\u6642\u3001\u66f4\u65b0\u30a8\u30e9\u30fc\u304c\u751f\u3058\u3066\u3082non-object\u30a8\u30e9\u30fc\u3092\u51fa\u3055\u306a\u3044\u70ba\u306b\u306f\u6b21\u306e\u95a2\u6570\u304c\u5fc5\u8981\u3002<\/p>\n<div class=\"borderBox\">\n<ul>\n<li>optional($hoge-&gt;hage)-&gt;hege<\/li>\n<\/ul>\n<\/div>\n<p>\u3053\u308c\u3067hages\u30c6\u30fc\u30d6\u30eb\u3060\u3051\u30a2\u30a4\u30c6\u30e0\u8ffd\u52a0\u3057\u3066\u3057\u307e\u3063\u3066\u3082non-object\u30a8\u30e9\u30fc\u306f\u56de\u907f\u3055\u308c\u308b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30a8\u30e9\u30fc\uff1aTrying to get property of non-object \u5546\u54c1\u60c5\u5831\u7b49\u3092\u6271\u3046\u3068\u7247\u65b9\u306b\u306f\u30c7\u30fc\u30bf\u304c\u3042\u3063\u3066\u3082\u3046\u7247\u65b9\u306b\u306f\u306a\u3044\u306a\u3093\u3066\u4e8b\u304c\u3056\u3089\u306b\u3042\u308a\u307e\u3059\u3002 Eloquant\u3067\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u66f8\u3044\u3066\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u5148\u306e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":944,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","_veu_custom_css":"","veu_display_promotion_alert":"","vkexunit_cta_each_option":"","_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[34],"tags":[153,99,98,53,45],"class_list":["post-992","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php-memorandum","tag-laravel","tag-mysql","tag-php","tag-53","tag-45"],"veu_head_title_object":{"title":"","add_site_title":""},"jetpack_publicize_connections":[],"jetpack-related-posts":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/qol-kk.com\/wp2\/wp-content\/uploads\/2018\/11\/laravel_logo.png","_links":{"self":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/comments?post=992"}],"version-history":[{"count":0,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/posts\/992\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/media\/944"}],"wp:attachment":[{"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/media?parent=992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/categories?post=992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qol-kk.com\/wp2\/wp-json\/wp\/v2\/tags?post=992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}