{"id":800,"date":"2025-08-04T16:21:54","date_gmt":"2025-08-04T07:21:54","guid":{"rendered":"https:\/\/nexive.tech\/?p=800"},"modified":"2025-08-04T16:21:55","modified_gmt":"2025-08-04T07:21:55","slug":"%e3%80%90%e3%82%b5%e3%82%af%e3%83%83%e3%81%a8%e8%a7%a3%e8%aa%ac%e3%80%91php-%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%a2%e3%83%83%e3%83%97%e3%83%ad%e3%83%bc%e3%83%89%e5%87%a6%e7%90%86%e3%81%ae","status":"publish","type":"post","link":"https:\/\/nexive.tech\/?p=800","title":{"rendered":"\u3010\u30b5\u30af\u30c3\u3068\u89e3\u8aac\u3011PHP \u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u51e6\u7406\u306e\u6d41\u308c\u3068\u5b89\u5168\u5bfe\u7b56"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1. \u672c\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>PHP\u306b\u3088\u308b\u57fa\u672c\u7684\u306a\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u51e6\u7406\u306e\u6d41\u308c\u3092\u7406\u89e3\u3067\u304d\u308b<\/li>\n\n\n\n<li>\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u3084\u4fdd\u5b58\u5148\u306a\u3069\u306b\u95a2\u3059\u308b\u5b9f\u88c5\u4e0a\u306e\u6ce8\u610f\u70b9\u304c\u308f\u304b\u308b<\/li>\n\n\n\n<li>\u5b89\u5168\u306a\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u51e6\u7406\u306e\u305f\u3081\u306e\u5bfe\u7b56\u3092\u7db2\u7f85\u7684\u306b\u78ba\u8a8d\u3067\u304d\u308b<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. PHP\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u51e6\u7406\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>PHP\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u306f\u3001HTML\u30d5\u30a9\u30fc\u30e0\u3092\u901a\u3058\u3066\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u53d7\u3051\u53d6\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u5b58\u3059\u308b\u4ed5\u7d44\u307f\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<br><code>$_FILES<\/code>\u30b9\u30fc\u30d1\u30fc\u30b0\u30ed\u30fc\u30d0\u30eb\u5909\u6570\u3092\u7528\u3044\u3066\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u60c5\u5831\uff08\u540d\u524d\u30fb\u7a2e\u985e\u30fb\u30b5\u30a4\u30ba\u30fb\u4e00\u6642\u4fdd\u5b58\u30d1\u30b9\u306a\u3069\uff09\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5b9f\u52d9\u3067\u306f\u3001\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u753b\u50cf\u3084\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u63d0\u51fa\u306a\u3069\u591a\u69d8\u306a\u5834\u9762\u3067\u7528\u3044\u3089\u308c\u307e\u3059\u304c\u3001\u60aa\u610f\u3042\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3092\u901a\u3058\u3066\u30b5\u30fc\u30d0\u30fc\u304c\u653b\u6483\u3055\u308c\u308b\u30ea\u30b9\u30af\u3082\u3042\u308b\u305f\u3081\u3001\u5b89\u5168\u5bfe\u7b56\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001PHP\u306e<code>file_uploads<\/code>\u8a2d\u5b9a\u304c<code>On<\/code>\u3067\u306a\u3044\u3068\u51e6\u7406\u304c\u7121\u52b9\u306b\u306a\u308b\u70b9\u306b\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u5148\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u30d1\u30fc\u30df\u30c3\u30b7\u30e7\u30f3\u8a2d\u5b9a\u3084\u3001\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u5236\u9650\uff08<code>upload_max_filesize<\/code>\u3084<code>post_max_size<\/code>\uff09\u306e\u8a2d\u5b9a\u3082\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u8a73\u7d30\u89e3\u8aac<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u57fa\u672c\u7684\u306a\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u306e\u51e6\u7406<\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u306f\u3001\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3066\u4fdd\u5b58\u3059\u308b\u30b7\u30f3\u30d7\u30eb\u306a\u51e6\u7406\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:16px 0 0 16px;width:100%;text-align:left;background-color:#1e1e1e\"><span style=\"background:#c7c7c7;padding:0.3rem 0.5rem 0.2rem;border-radius:1rem;font-size:0.8em;line-height:1;height:1.25rem;text-align:center;display:inline-flex;align-items:center;justify-content:center;color:#1e1e1e\">PHP<\/span><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>\/\/ \u30d5\u30a1\u30a4\u30eb\u304c\u9001\u4fe1\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\nif (isset($_FILES&#91;'userfile'&#93;) &amp;&amp; $_FILES&#91;'userfile'&#93;&#91;'error'&#93; === UPLOAD_ERR_OK) {\n    \/\/ \u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u6642\u30d1\u30b9\n    $tmpPath = $_FILES&#91;'userfile'&#93;&#91;'tmp_name'&#93;;\n    $name = basename($_FILES&#91;'userfile'&#93;&#91;'name'&#93;);\n    $uploadDir = __DIR__ . '\/uploads\/';\n\n    \/\/ \u4fdd\u5b58\u5148\u306e\u30d1\u30b9\n    $savePath = $uploadDir . $name;\n\n    \/\/ \u30d5\u30a1\u30a4\u30eb\u3092\u79fb\u52d5\n    move_uploaded_file($tmpPath, $savePath);\n    echo \"\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u307e\u3057\u305f: $savePath\";\n} else {\n    echo \"\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u30a8\u30e9\u30fc: \" . $_FILES&#91;'userfile'&#93;&#91;'error'&#93;;\n}\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u30d5\u30a1\u30a4\u30eb\u304c\u9001\u4fe1\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">if<\/span><span style=\"color: #D4D4D4\"> (<\/span><span style=\"color: #DCDCAA\">isset<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$_FILES<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #CE9178\">&#39;userfile&#39;<\/span><span style=\"color: #D4D4D4\">&#93;) &amp;&amp; <\/span><span style=\"color: #9CDCFE\">$_FILES<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #CE9178\">&#39;userfile&#39;<\/span><span style=\"color: #D4D4D4\">&#93;&#91;<\/span><span style=\"color: #CE9178\">&#39;error&#39;<\/span><span style=\"color: #D4D4D4\">&#93; === UPLOAD_ERR_OK) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ \u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u4e00\u6642\u30d1\u30b9<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$tmpPath<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #9CDCFE\">$_FILES<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #CE9178\">&#39;userfile&#39;<\/span><span style=\"color: #D4D4D4\">&#93;&#91;<\/span><span style=\"color: #CE9178\">&#39;tmp_name&#39;<\/span><span style=\"color: #D4D4D4\">&#93;;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #DCDCAA\">basename<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$_FILES<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #CE9178\">&#39;userfile&#39;<\/span><span style=\"color: #D4D4D4\">&#93;&#91;<\/span><span style=\"color: #CE9178\">&#39;name&#39;<\/span><span style=\"color: #D4D4D4\">&#93;);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$uploadDir<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #569CD6\">__DIR__<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #D16969\">&#39;\/uploads\/&#39;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ \u4fdd\u5b58\u5148\u306e\u30d1\u30b9<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">$savePath<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #9CDCFE\">$uploadDir<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ \u30d5\u30a1\u30a4\u30eb\u3092\u79fb\u52d5<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">move_uploaded_file<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$tmpPath<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #9CDCFE\">$savePath<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #CE9178\">&quot;\u30d5\u30a1\u30a4\u30eb\u3092\u4fdd\u5b58\u3057\u307e\u3057\u305f: <\/span><span style=\"color: #9CDCFE\">$savePath<\/span><span style=\"color: #CE9178\">&quot;<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">} <\/span><span style=\"color: #C586C0\">else<\/span><span style=\"color: #D4D4D4\"> {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">echo<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #CE9178\">&quot;\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u30a8\u30e9\u30fc: &quot;<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$_FILES<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #CE9178\">&#39;userfile&#39;<\/span><span style=\"color: #D4D4D4\">&#93;&#91;<\/span><span style=\"color: #CE9178\">&#39;error&#39;<\/span><span style=\"color: #D4D4D4\">&#93;;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p>\u203b <code>\/uploads\/<\/code> \u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306e\u66f8\u304d\u8fbc\u307f\u6a29\u9650\uff08\u4f8b\uff1a<code>chmod 755<\/code>\uff09\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u3068\u30b5\u30a4\u30ba\u306e\u691c\u8a3c\u3092\u8ffd\u52a0<\/h3>\n\n\n\n<p>\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u3084\u30b5\u30a4\u30ba\u3092\u30c1\u30a7\u30c3\u30af\u3057\u306a\u3044\u3068\u3001\u4e88\u671f\u305b\u306c\u30d5\u30a1\u30a4\u30eb\u304c\u4fdd\u5b58\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:16px 0 0 16px;width:100%;text-align:left;background-color:#1e1e1e\"><span style=\"background:#c7c7c7;padding:0.3rem 0.5rem 0.2rem;border-radius:1rem;font-size:0.8em;line-height:1;height:1.25rem;text-align:center;display:inline-flex;align-items:center;justify-content:center;color:#1e1e1e\">PHP<\/span><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>\/\/ MIME\u30bf\u30a4\u30d7\u30c1\u30a7\u30c3\u30af\u3068\u30b5\u30a4\u30ba\u5236\u9650\n$allowedTypes = &#91;'image\/jpeg', 'image\/png'&#93;;\n$maxSize = 2 * 1024 * 1024; \/\/ 2MB\n\n$type = mime_content_type($tmpPath);\n$size = filesize($tmpPath);\n\nif (!in_array($type, $allowedTypes)) {\n    die(\"\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u3067\u3059\");\n}\nif ($size > $maxSize) {\n    die(\"\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3059\u304e\u307e\u3059\");\n}\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6A9955\">\/\/ MIME\u30bf\u30a4\u30d7\u30c1\u30a7\u30c3\u30af\u3068\u30b5\u30a4\u30ba\u5236\u9650<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$allowedTypes<\/span><span style=\"color: #D4D4D4\"> = &#91;<\/span><span style=\"color: #CE9178\">&#39;image\/jpeg&#39;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #CE9178\">&#39;image\/png&#39;<\/span><span style=\"color: #D4D4D4\">&#93;;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$maxSize<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #B5CEA8\">2<\/span><span style=\"color: #D4D4D4\"> * <\/span><span style=\"color: #B5CEA8\">1024<\/span><span style=\"color: #D4D4D4\"> * <\/span><span style=\"color: #B5CEA8\">1024<\/span><span style=\"color: #D4D4D4\">; <\/span><span style=\"color: #6A9955\">\/\/ 2MB<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$type<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #DCDCAA\">mime_content_type<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$tmpPath<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$size<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #DCDCAA\">filesize<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$tmpPath<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">if<\/span><span style=\"color: #D4D4D4\"> (!<\/span><span style=\"color: #DCDCAA\">in_array<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$type<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #9CDCFE\">$allowedTypes<\/span><span style=\"color: #D4D4D4\">)) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">die<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;\u8a31\u53ef\u3055\u308c\u3066\u3044\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u30bf\u30a4\u30d7\u3067\u3059&quot;<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">if<\/span><span style=\"color: #D4D4D4\"> (<\/span><span style=\"color: #9CDCFE\">$size<\/span><span style=\"color: #D4D4D4\"> &gt; <\/span><span style=\"color: #9CDCFE\">$maxSize<\/span><span style=\"color: #D4D4D4\">) {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">die<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;\u30d5\u30a1\u30a4\u30eb\u30b5\u30a4\u30ba\u304c\u5927\u304d\u3059\u304e\u307e\u3059&quot;<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u885d\u7a81\u30fb\u30d1\u30b9\u64cd\u4f5c\u306e\u5bfe\u7b56<\/h3>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u304c\u4efb\u610f\u306e\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u6307\u5b9a\u3067\u304d\u308b\u305f\u3081\u3001\u30d1\u30b9\u306e\u64cd\u4f5c\u3084\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u885d\u7a81\u306b\u3082\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(1 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:flex;align-items:center;padding:16px 0 0 16px;width:100%;text-align:left;background-color:#1e1e1e\"><span style=\"background:#c7c7c7;padding:0.3rem 0.5rem 0.2rem;border-radius:1rem;font-size:0.8em;line-height:1;height:1.25rem;text-align:center;display:inline-flex;align-items:center;justify-content:center;color:#1e1e1e\">PHP<\/span><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>\/\/ \u62e1\u5f35\u5b50\u3092\u9664\u3044\u305f\u30e9\u30f3\u30c0\u30e0\u306a\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u751f\u6210\n$ext = pathinfo($name, PATHINFO_EXTENSION);\n$uniqueName = uniqid('upload_', true) . \".\" . $ext;\n$savePath = $uploadDir . $uniqueName;\n<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6A9955\">\/\/ \u62e1\u5f35\u5b50\u3092\u9664\u3044\u305f\u30e9\u30f3\u30c0\u30e0\u306a\u30d5\u30a1\u30a4\u30eb\u540d\u3092\u751f\u6210<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$ext<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #DCDCAA\">pathinfo<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #9CDCFE\">$name<\/span><span style=\"color: #D4D4D4\">, PATHINFO_EXTENSION);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$uniqueName<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #DCDCAA\">uniqid<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&#39;upload_&#39;<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #569CD6\">true<\/span><span style=\"color: #D4D4D4\">) <\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #CE9178\">&quot;.&quot;<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$ext<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #9CDCFE\">$savePath<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #9CDCFE\">$uploadDir<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">$uniqueName<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u3088\u304f\u3042\u308b\u30df\u30b9\u30fb\u8aa4\u89e3\u30fb\u843d\u3068\u3057\u7a74<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>move_uploaded_file()<\/code> \u3092\u4f7f\u308f\u305a <code>copy()<\/code> \u3084 <code>rename()<\/code> \u3092\u4f7f\u3046\u3068\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u691c\u8a3c\u304c\u9069\u7528\u3055\u308c\u305a\u5b89\u5168\u6027\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u30d5\u30a9\u30fc\u30e0\u5074\u306b <code>enctype=\"multipart\/form-data\"<\/code> \u3092\u6307\u5b9a\u3057\u3066\u3044\u306a\u3044\u3068\u3001\u30d5\u30a1\u30a4\u30eb\u304c\u9001\u4fe1\u3055\u308c\u307e\u305b\u3093\u3002<\/li>\n\n\n\n<li><code>$_FILES['userfile']['error']<\/code> \u306e\u30c1\u30a7\u30c3\u30af\u3092\u6020\u308b\u3068\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u5931\u6557\u3092\u898b\u9003\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li><code>$_FILES<\/code> \u306b\u30d5\u30a1\u30a4\u30eb\u304c\u5b58\u5728\u3057\u3066\u3082\u3001\u30b5\u30a4\u30ba\u5236\u9650\u8d85\u904e\u3084PHP\u8a2d\u5b9a\u30a8\u30e9\u30fc\u3067\u4fdd\u5b58\u306b\u5931\u6557\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u307e\u3068\u3081<\/h2>\n\n\n\n<p>PHP\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u51e6\u7406\u306f\u3001\u6b63\u3057\u3044\u69cb\u6587\u3068\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3001\u5b89\u5168\u5bfe\u7b56\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u5b89\u5b9a\u904b\u7528\u304c\u53ef\u80fd\u3067\u3059\u3002<br>\u5b9f\u52d9\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u7a2e\u985e\u30fb\u30b5\u30a4\u30ba\u30fb\u4fdd\u5b58\u30d1\u30b9\u30fb\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u7ba1\u7406\u306b\u52a0\u3048\u3001\u653b\u6483\u9632\u6b62\u306e\u305f\u3081\u306e\u53b3\u683c\u306a\u691c\u8a3c\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3059\u3002<br>PHP\u8a2d\u5b9a\u5024\u3084\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u6a29\u9650\u3068\u3044\u3063\u305f\u524d\u63d0\u6761\u4ef6\u306e\u628a\u63e1\u3082\u5fd8\u308c\u305a\u3001\u958b\u767a\u74b0\u5883\u3068\u672c\u756a\u74b0\u5883\u3067\u6319\u52d5\u304c\u5909\u308f\u3089\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \u672c\u8a18\u4e8b\u306e\u30dd\u30a4\u30f3\u30c8 2. PHP\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u51e6\u7406\u3068\u306f\uff1f PHP\u306e\u30d5\u30a1\u30a4\u30eb\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u6a5f\u80fd\u306f\u3001HTML\u30d5\u30a9\u30fc\u30e0\u3092\u901a\u3058\u3066\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u30d5\u30a1\u30a4\u30eb\u3092\u53d7\u3051\u53d6\u308a\u3001\u30b5\u30fc\u30d0\u30fc\u306b\u4fdd\u5b58\u3059\u308b\u4ed5\u7d44\u307f\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002$_FILES\u30b9\u30fc\u30d1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":716,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[85],"tags":[],"class_list":["post-800","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-php"],"_links":{"self":[{"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/posts\/800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=800"}],"version-history":[{"count":2,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/posts\/800\/revisions"}],"predecessor-version":[{"id":882,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/posts\/800\/revisions\/882"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=\/wp\/v2\/media\/716"}],"wp:attachment":[{"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nexive.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}