{"id":3559,"date":"2022-04-28T16:42:45","date_gmt":"2022-04-28T07:42:45","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=3559"},"modified":"2024-01-12T19:45:19","modified_gmt":"2024-01-12T10:45:19","slug":"post-3559","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/3559","title":{"rendered":"PHP\u3067jpg \/ png\u753b\u50cf\u3092WebP\u753b\u50cf\u306b\u5909\u63db\u3057\u4fdd\u5b58\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>PHP\u3067jpg \/ png\u753b\u50cf\u3092\u5727\u7e2e\u3057\u305f\u304b\u3063\u305f\u3002\u305f\u3060jpg \/ png\u306e\u307e\u307e\u3060\u3068\u305d\u3053\u307e\u3067\u5727\u7e2e\u3067\u304d\u305a\u3001\u6700\u8fd1\u3060\u3068WebP\u3068\u3044\u3046\u30d5\u30a1\u30a4\u30eb\u5f62\u5f0f\u304c\u5727\u7e2e\u7387\u304c\u9ad8\u3044\u3089\u3057\u3044\u3002\u306a\u306e\u3067jpg \/ png\u753b\u50cf\u3092WebP\u753b\u50cf\u306b\u5909\u63db\u3057\u3001\u4fdd\u5b58\u3057\u305f\u304b\u3063\u305f\u3002\u4ee5\u4e0b\u306b\u5bfe\u5fdc\u65b9\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>WebP\u753b\u50cf\u3068\u306f<\/h2>\n<p>Google\u516c\u5f0f\u306e\u753b\u50cf\u5f62\u5f0f\u3067\u5727\u7e2e\u7387\u304c\u9ad8\u3044\u3002\u8aad\u307f\u65b9\u306f\u300c\u30a6\u30a7\u30d6\u30d4\u30fc\u300d\u3067\u306f\u306a\u304f\u300c\u30a6\u30a7\u30c3\u30d4\u30fc\u300d\u3068\u306e\u3053\u3068\u3002\u767a\u8868\u3055\u308c\u305f\u306e\u306f2010\u5e74\u3068\u7d50\u69cb\u53e4\u3044\u304c\u5f53\u6642\u306f\u5bfe\u5fdc\u30d6\u30e9\u30a6\u30b6\u304c\u9650\u3089\u308c\u3066\u3044\u305f\u3002\u6700\u8fd1\u3067\u306f\u4e3b\u8981\u30d6\u30e9\u30a6\u30b6\u3067\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>GD\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u5fc5\u8981<\/h2>\n<p>\u5909\u63db\u3059\u308b\u969b\u306bPHP\u306eGD\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u5fc5\u8981\u3002\u30c6\u30b9\u30c8\u74b0\u5883\u304cPHP7.4\u3060\u3063\u305f\u306e\u3067\u4ee5\u4e0b\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u305f\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">yum install --enablerepo=remi-php74 php-gd<\/pre>\n<p>&nbsp;<\/p>\n<h2>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h2>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">$file = '.\/001.jpg';\r\nchangeWebP($file);\r\n\r\nfunction changeWebP( $file ){\r\n    $path_parts = pathinfo($file);\r\n    $ext = $path_parts['extension'];\r\n\r\n    if( $ext == 'jpg' ){\r\n        $old_img = imagecreatefromjpeg($file);\r\n    }else if( $ext == 'png' ){\r\n        $old_img = imagecreatefrompng($file);\r\n    }else{\r\n        return false;\r\n    }\r\n\r\n    imagewebp($old_img, $path_parts['filename'] . 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