{"id":121449,"date":"2024-03-24T02:30:09","date_gmt":"2024-03-23T17:30:09","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/php-%e3%81%a7%e7%94%bb%e5%83%8f%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89%e3%81%97%e3%80%81%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc\/"},"modified":"2024-03-27T08:47:28","modified_gmt":"2024-03-26T23:47:28","slug":"php-%e3%81%a7%e7%94%bb%e5%83%8f%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89%e3%81%97%e3%80%81%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/php-%e3%81%a7%e7%94%bb%e5%83%8f%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89%e3%81%97%e3%80%81%e3%83%87%e3%83%bc%e3%82%bf%e3%83%99%e3%83%bc\/","title":{"rendered":"PHP \u3067\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b"},"content":{"rendered":"<p>\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u753b\u50cf\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3001\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306a\u3069\u3092\u683c\u7d0d\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306b\u3001PHP\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066\u753b\u50cf\u3092\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u753b\u50cf\u60c5\u5831\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/p>\n<p>\u4ee5\u4e0b\u306b\u7c21\u5358\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u753b\u50cf<\/li>\n<li>\u79c1\u306e\u7236\u306f\u79c1\u305f\u3061\u304c\u5c0f\u3055\u3044\u6642\u306b\u5bb6\u65cf\u3092\u6368\u3066\u3066\u51fa\u3066\u884c\u304d\u307e\u3057\u305f\u3002<\/li>\n<li>\u30d5\u30a1\u30a4\u30eb\u540d<\/li>\n<li>\u5f7c\u5973\u306f\u65e9\u304f\u306b\u8d77\u304d\u3066\u671d\u98df\u3092\u6e96\u5099\u3057\u307e\u3059\u3002<\/li>\n<li>\u3053\u306e\u6d3b\u52d5\u306f\u3001\u4e16\u754c\u4e2d\u306b\u30dd\u30b8\u30c6\u30a3\u30d6\u306a\u30a4\u30f3\u30d1\u30af\u30c8\u3092\u4e0e\u3048\u3001\u5b50\u4f9b\u305f\u3061\u306e\u6210\u9577\u3068\u767a\u9054\u3092\u4fc3\u9032\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">CREATE<\/span> <span class=\"hljs-keyword\">TABLE<\/span> images (\r\nid <span class=\"hljs-type\">INT<\/span> AUTO_INCREMENT <span class=\"hljs-keyword\">PRIMARY<\/span> KEY,\r\nfilename <span class=\"hljs-type\">VARCHAR<\/span>(<span class=\"hljs-number\">255<\/span>),\r\nfiletype <span class=\"hljs-type\">VARCHAR<\/span>(<span class=\"hljs-number\">255<\/span>),\r\nfilesize <span class=\"hljs-type\">INT<\/span>\r\n);\r\n<\/code><\/pre>\n<ol>\n<li>\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u30d5\u30a9\u30fc\u30e0\u3092\u542b\u3080HTML\u30da\u30fc\u30b8\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">form<\/span> <span class=\"hljs-attr\">action<\/span>=<span class=\"hljs-string\">\"upload.php\"<\/span> <span class=\"hljs-attr\">method<\/span>=<span class=\"hljs-string\">\"POST\"<\/span> <span class=\"hljs-attr\">enctype<\/span>=<span class=\"hljs-string\">\"multipart\/form-data\"<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">input<\/span> <span class=\"hljs-attr\">type<\/span>=<span class=\"hljs-string\">\"file\"<\/span> <span class=\"hljs-attr\">name<\/span>=<span class=\"hljs-string\">\"image\"<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">input<\/span> <span class=\"hljs-attr\">type<\/span>=<span class=\"hljs-string\">\"submit\"<\/span> <span class=\"hljs-attr\">name<\/span>=<span class=\"hljs-string\">\"submit\"<\/span> <span class=\"hljs-attr\">value<\/span>=<span class=\"hljs-string\">\"\u4e0a\u4f20\"<\/span>&gt;<\/span>\r\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">form<\/span>&gt;<\/span>\r\n<\/code><\/pre>\n<ol>\n<li>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9.php<\/li>\n<\/ol>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">&lt;?php<\/span>\r\n<span class=\"hljs-comment\">\/\/ \u8fde\u63a5\u6570\u636e\u5e93<\/span>\r\n<span class=\"hljs-variable\">$servername<\/span> = <span class=\"hljs-string\">\"localhost\"<\/span>;\r\n<span class=\"hljs-variable\">$username<\/span> = <span class=\"hljs-string\">\"root\"<\/span>;\r\n<span class=\"hljs-variable\">$password<\/span> = <span class=\"hljs-string\">\"\"<\/span>;\r\n<span class=\"hljs-variable\">$dbname<\/span> = <span class=\"hljs-string\">\"your_database\"<\/span>;\r\n<span class=\"hljs-variable\">$conn<\/span> = <span class=\"hljs-keyword\">new<\/span> <span class=\"hljs-title function_ invoke__\">mysqli<\/span>(<span class=\"hljs-variable\">$servername<\/span>, <span class=\"hljs-variable\">$username<\/span>, <span class=\"hljs-variable\">$password<\/span>, <span class=\"hljs-variable\">$dbname<\/span>);\r\n<span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-variable\">$conn<\/span>-&gt;connect_error) {\r\n<span class=\"hljs-keyword\">die<\/span>(<span class=\"hljs-string\">\"\u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25: \"<\/span> . <span class=\"hljs-variable\">$conn<\/span>-&gt;connect_error);\r\n}\r\n<span class=\"hljs-comment\">\/\/ \u5904\u7406\u6587\u4ef6\u4e0a\u4f20<\/span>\r\n<span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-variable\">$_SERVER<\/span>[<span class=\"hljs-string\">\"REQUEST_METHOD\"<\/span>] == <span class=\"hljs-string\">\"POST\"<\/span>) {\r\n<span class=\"hljs-variable\">$target_dir<\/span> = <span class=\"hljs-string\">\"uploads\/\"<\/span>;\r\n<span class=\"hljs-variable\">$target_file<\/span> = <span class=\"hljs-variable\">$target_dir<\/span> . <span class=\"hljs-title function_ invoke__\">basename<\/span>(<span class=\"hljs-variable\">$_FILES<\/span>[<span class=\"hljs-string\">\"image\"<\/span>][<span class=\"hljs-string\">\"name\"<\/span>]);\r\n<span class=\"hljs-variable\">$uploadOk<\/span> = <span class=\"hljs-number\">1<\/span>;\r\n<span class=\"hljs-variable\">$imageFileType<\/span> = <span class=\"hljs-title function_ invoke__\">strtolower<\/span>(<span class=\"hljs-title function_ invoke__\">pathinfo<\/span>(<span class=\"hljs-variable\">$target_file<\/span>,PATHINFO_EXTENSION));\r\n<span class=\"hljs-comment\">\/\/ \u68c0\u67e5\u56fe\u7247\u6587\u4ef6\u662f\u5426\u4e3a\u771f\u5b9e\u7684\u56fe\u7247<\/span>\r\n<span class=\"hljs-keyword\">if<\/span>(<span class=\"hljs-keyword\">isset<\/span>(<span class=\"hljs-variable\">$_POST<\/span>[<span class=\"hljs-string\">\"submit\"<\/span>])) {\r\n<span class=\"hljs-variable\">$check<\/span> = <span class=\"hljs-title function_ invoke__\">getimagesize<\/span>(<span class=\"hljs-variable\">$_FILES<\/span>[<span class=\"hljs-string\">\"image\"<\/span>][<span class=\"hljs-string\">\"tmp_name\"<\/span>]);\r\n<span class=\"hljs-keyword\">if<\/span>(<span class=\"hljs-variable\">$check<\/span> !== <span class=\"hljs-literal\">false<\/span>) {\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u6587\u4ef6\u662f\u4e00\u4e2a\u56fe\u7247 - \"<\/span> . <span class=\"hljs-variable\">$check<\/span>[<span class=\"hljs-string\">\"mime\"<\/span>] . <span class=\"hljs-string\">\".\"<\/span>;\r\n<span class=\"hljs-variable\">$uploadOk<\/span> = <span class=\"hljs-number\">1<\/span>;\r\n} <span class=\"hljs-keyword\">else<\/span> {\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u6587\u4ef6\u4e0d\u662f\u4e00\u4e2a\u56fe\u7247.\"<\/span>;\r\n<span class=\"hljs-variable\">$uploadOk<\/span> = <span class=\"hljs-number\">0<\/span>;\r\n}\r\n}\r\n<span class=\"hljs-comment\">\/\/ \u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5df2\u5b58\u5728<\/span>\r\n<span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-title function_ invoke__\">file_exists<\/span>(<span class=\"hljs-variable\">$target_file<\/span>)) {\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u6587\u4ef6\u5df2\u5b58\u5728.\"<\/span>;\r\n<span class=\"hljs-variable\">$uploadOk<\/span> = <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<span class=\"hljs-comment\">\/\/ \u68c0\u67e5\u6587\u4ef6\u5927\u5c0f<\/span>\r\n<span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-variable\">$_FILES<\/span>[<span class=\"hljs-string\">\"image\"<\/span>][<span class=\"hljs-string\">\"size\"<\/span>] &gt; <span class=\"hljs-number\">500000<\/span>) {\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u6587\u4ef6\u592a\u5927.\"<\/span>;\r\n<span class=\"hljs-variable\">$uploadOk<\/span> = <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<span class=\"hljs-comment\">\/\/ \u5141\u8bb8\u7279\u5b9a\u7684\u6587\u4ef6\u683c\u5f0f<\/span>\r\n<span class=\"hljs-keyword\">if<\/span>(<span class=\"hljs-variable\">$imageFileType<\/span> != <span class=\"hljs-string\">\"jpg\"<\/span> &amp;&amp; <span class=\"hljs-variable\">$imageFileType<\/span> != <span class=\"hljs-string\">\"png\"<\/span> &amp;&amp; <span class=\"hljs-variable\">$imageFileType<\/span> != <span class=\"hljs-string\">\"jpeg\"<\/span>\r\n&amp;&amp; <span class=\"hljs-variable\">$imageFileType<\/span> != <span class=\"hljs-string\">\"gif\"<\/span> ) {\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u53ea\u5141\u8bb8JPG, JPEG, PNG \u548c GIF\u6587\u4ef6.\"<\/span>;\r\n<span class=\"hljs-variable\">$uploadOk<\/span> = <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<span class=\"hljs-comment\">\/\/ \u68c0\u67e5\u662f\u5426\u6709\u9519\u8bef\u53d1\u751f<\/span>\r\n<span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-variable\">$uploadOk<\/span> == <span class=\"hljs-number\">0<\/span>) {\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u4e0a\u4f20\u5931\u8d25.\"<\/span>;\r\n} <span class=\"hljs-keyword\">else<\/span> {\r\n<span class=\"hljs-comment\">\/\/ \u4e0a\u4f20\u6587\u4ef6<\/span>\r\n<span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-title function_ invoke__\">move_uploaded_file<\/span>(<span class=\"hljs-variable\">$_FILES<\/span>[<span class=\"hljs-string\">\"image\"<\/span>][<span class=\"hljs-string\">\"tmp_name\"<\/span>], <span class=\"hljs-variable\">$target_file<\/span>)) {\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u6587\u4ef6\u4e0a\u4f20\u6210\u529f.\"<\/span>;\r\n<span class=\"hljs-comment\">\/\/ \u5c06\u56fe\u7247\u4fe1\u606f\u4fdd\u5b58\u5230\u6570\u636e\u5e93<\/span>\r\n<span class=\"hljs-variable\">$filename<\/span> = <span class=\"hljs-title function_ invoke__\">basename<\/span>(<span class=\"hljs-variable\">$_FILES<\/span>[<span class=\"hljs-string\">\"image\"<\/span>][<span class=\"hljs-string\">\"name\"<\/span>]);\r\n<span class=\"hljs-variable\">$filetype<\/span> = <span class=\"hljs-variable\">$_FILES<\/span>[<span class=\"hljs-string\">\"image\"<\/span>][<span class=\"hljs-string\">\"type\"<\/span>];\r\n<span class=\"hljs-variable\">$filesize<\/span> = <span class=\"hljs-variable\">$_FILES<\/span>[<span class=\"hljs-string\">\"image\"<\/span>][<span class=\"hljs-string\">\"size\"<\/span>];\r\n<span class=\"hljs-variable\">$sql<\/span> = <span class=\"hljs-string\">\"INSERT INTO images (filename, filetype, filesize) VALUES ('<span class=\"hljs-subst\">$filename<\/span>', '<span class=\"hljs-subst\">$filetype<\/span>', '<span class=\"hljs-subst\">$filesize<\/span>')\"<\/span>;\r\n<span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-variable\">$conn<\/span>-&gt;<span class=\"hljs-title function_ invoke__\">query<\/span>(<span class=\"hljs-variable\">$sql<\/span>) === <span class=\"hljs-literal\">TRUE<\/span>) {\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u56fe\u7247\u4fe1\u606f\u4fdd\u5b58\u6210\u529f.\"<\/span>;\r\n} <span class=\"hljs-keyword\">else<\/span> {\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"Error: \"<\/span> . <span class=\"hljs-variable\">$sql<\/span> . <span class=\"hljs-string\">\"\r\n\"<\/span> . <span class=\"hljs-variable\">$conn<\/span>-&gt;error;\r\n}\r\n} <span class=\"hljs-keyword\">else<\/span> {\r\n<span class=\"hljs-keyword\">echo<\/span> <span class=\"hljs-string\">\"\u6587\u4ef6\u4e0a\u4f20\u5931\u8d25.\"<\/span>;\r\n}\r\n}\r\n}\r\n<span class=\"hljs-variable\">$conn<\/span>-&gt;<span class=\"hljs-title function_ invoke__\">close<\/span>();\r\n<span class=\"hljs-meta\">?&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u753b\u50cf\u3092\u9078\u629e\u3057\u3066\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u305f\u969b\u3001\u753b\u50cf\u304c\u30b5\u30fc\u30d0\u30fc\u306e uploads\/ \u30d5\u30a9\u30eb\u30c0\u306b\u4fdd\u5b58\u3055\u308c\u3001\u305d\u306e\u753b\u50cf\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c images \u30c6\u30fc\u30d6\u30eb\u306b\u4fdd\u5b58\u3055\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u753b\u50cf\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b\u306b\u306f\u3001\u307e\u305a\u753b\u50cf\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3001\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u306a\u3069\u3092\u683c\u7d0d\u3059\u308b\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306b\u3001PHP\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u3092\u4f7f\u7528\u3057\u3066\u753b\u50cf\u3092\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30c3\u30d7 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-121449","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PHP \u3067\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3059\u308b - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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