{"id":2799,"date":"2024-10-16T11:44:01","date_gmt":"2024-10-16T03:44:01","guid":{"rendered":"https:\/\/www.openbyt.com\/?p=2799"},"modified":"2024-10-17T19:41:17","modified_gmt":"2024-10-17T11:41:17","slug":"boost-performance-best-practices-for-optimizing-php-scripts","status":"publish","type":"post","link":"https:\/\/www.openbyt.com\/zh\/\u63d0\u5347\u6027\u80fd-\u512a\u5316-php-\u8173\u672c\u7684\u6700\u4f73\u5be6\u8e10","title":{"rendered":"\u63d0\u5347\u6548\u80fd\uff1a\u512a\u5316 PHP \u8173\u672c\u7684\u6700\u4f73\u5be6\u52d9"},"content":{"rendered":"

\u512a\u5316 PHP \u8173\u672c\u5c0d\u65bc\u5efa\u7acb\u5feb\u901f\u4e14\u6709\u6548\u7387\u7684 Web \u61c9\u7528\u7a0b\u5f0f\u81f3\u95dc\u91cd\u8981\u3002\u6c92\u6709\u4eba\u559c\u6b61\u7de9\u6162\u7684\u7db2\u7ad9\uff0c\u800c\u4f7f\u7528\u8005\u7684\u8010\u6027\u6bd4\u4ee5\u5f80\u4efb\u4f55\u6642\u5019\u90fd\u8981\u5dee\uff0c\u56e0\u6b64\u63d0\u5347\u6548\u80fd\u61c9\u8a72\u662f\u4efb\u4f55\u958b\u767c\u4eba\u54e1\u7684\u9996\u8981\u4efb\u52d9\u3002\u4eca\u5929\uff0c\u6211\u5011\u5c07\u63a2\u8a0e\u4e00\u4e9b\u4e45\u7d93\u8003\u9a57\u7684\u65b9\u6cd5\uff0c\u5e6b\u52a9\u60a8\u70ba PHP \u7a0b\u5f0f\u8173\u672c\u5145\u96fb\uff0c\u4ee5\u78ba\u4fdd\u61c9\u7528\u7a0b\u5f0f\u80fd\u6d41\u66a2\u4e14\u6709\u6548\u7387\u5730\u57f7\u884c\u3002<\/p>

\"\"<\/figure>

\u76ee\u6a19\u53d7\u773e<\/strong>:\u672c\u6587\u91dd\u5c0d\u521d\u7d1a\u5230\u4e2d\u7d1a\u7684\u4f7f\u7528\u8005 PHP \u958b\u767c\u4eba\u54e1<\/strong> \u4ed6\u5011\u5e0c\u671b\u900f\u904e\u61c9\u7528\u5be6\u7528\u7684\u6700\u4f73\u5316\u6280\u8853\u4f86\u6539\u5584\u7db2\u8def\u61c9\u7528\u7a0b\u5f0f\u7684\u6548\u80fd\u3002<\/p><\/blockquote>

1.\u7528\u5fc3\u5132\u5b58<\/strong><\/h2>

\u6539\u5584 PHP \u6548\u80fd\u6700\u6709\u6548\u7684\u65b9\u6cd5\u4e4b\u4e00\u5c31\u662f\u5feb\u53d6\u3002\u9019\u500b\u60f3\u6cd5\u5f88\u7c21\u55ae\uff1a\u4e0d\u8981\u91cd\u8907\u57f7\u884c\u76f8\u540c\u7684\u8173\u672c\uff0c\u800c\u662f\u5c07\u7d50\u679c\u5132\u5b58\u8d77\u4f86\uff0c\u4e26\u5728\u9700\u8981\u6642\u63d0\u4f9b\u3002\u5de5\u5177\u5982 OPcache<\/strong> \u751a\u81f3 Memcached<\/strong> \u53ef\u4ee5\u900f\u904e\u5132\u5b58\u5df2\u7de8\u8b6f\u7684\u8173\u672c\u6587\u5b57\u78bc\u4f86\u5927\u5e45\u6e1b\u5c11\u57f7\u884c\u6642\u9593\uff0c\u9019\u8868\u793a PHP \u5728\u6bcf\u6b21\u547c\u53eb\u6642\u90fd\u4e0d\u9700\u8981\u91cd\u65b0\u7de8\u8b6f\u60a8\u7684\u7a0b\u5f0f\u78bc\u3002\u6709\u6548\u5730\u57f7\u884c\u5feb\u53d6\u53ef\u5927\u5e45\u63d0\u5347\u6548\u80fd\uff0c\u5c24\u5176\u662f\u5c0d\u65bc\u5167\u5bb9\u7e41\u91cd\u7684\u7db2\u7ad9\u3002<\/p>

\"\"<\/figure>

\u771f\u5be6\u60c5\u5883<\/strong>:\u60f3\u50cf\u4e00\u4e0b\u904b\u884c\u4e00\u500b\u9ad8\u6d41\u91cf\u7684\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u3002\u6bcf\u500b\u4f7f\u7528\u8005\u8acb\u6c42\u53ef\u80fd\u9700\u8981\u591a\u6b21\u8cc7\u6599\u5eab\u547c\u53eb\uff0c\u4ee5\u986f\u793a\u7522\u54c1\u8cc7\u8a0a\u3001\u4f7f\u7528\u8005\u8a73\u7d30\u8cc7\u8a0a\u548c\u5efa\u8b70\u3002\u4f7f\u7528 OPcache \u5132\u5b58\u5df2\u7de8\u8b6f\u7684 bytecode\uff0c\u4e26\u4f7f\u7528 Memcached \u5feb\u53d6\u8cc7\u6599\u5eab\u7d50\u679c\uff0c\u60a8\u53ef\u4ee5\u5927\u5e45\u7e2e\u77ed\u56de\u61c9\u6642\u9593\uff0c\u78ba\u4fdd\u5ba2\u6236\u4e0d\u6703\u56e0\u70ba\u9801\u9762\u8f09\u5165\u7de9\u6162\u800c\u653e\u68c4\u8cfc\u7269\u8eca\u3002
\u521d\u5b78\u8005\u7bc4\u4f8b<\/strong>:\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u7522\u54c1\u5217\u8868\u9801\u9762\uff0c\u6bcf\u6b21\u4f7f\u7528\u8005\u9020\u8a2a\u6642\u90fd\u6703\u5f9e\u8cc7\u6599\u5eab\u4e2d\u53d6\u5f97\u7522\u54c1\u8a73\u7d30\u8cc7\u8a0a\u3002\u5c07\u9019\u4e9b\u7522\u54c1\u8a73\u7d30\u8cc7\u6599\u5feb\u53d6\u5e7e\u5206\u9418\uff0c\u5c31\u53ef\u4ee5\u6e1b\u5c11\u8cc7\u6599\u5eab\u7684\u9ede\u64ca\u6b21\u6578\uff0c\u9032\u800c\u52a0\u5feb\u9801\u9762\u7684\u8f09\u5165\u6642\u9593\uff0c\u4e26\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\u3002<\/p>

\u9010\u6b65\u8a2d\u5b9a OPcache<\/strong>:<\/h3>
  1. \u78ba\u4fdd\u5df2\u5b89\u88dd OPcache\uff1a sudo apt-get install php-opcache<\/code><\/li>\n\n
  2. \u5728\u60a8\u7684 php.ini<\/code> file:<\/li><\/ol>
    opcache.enable=1
    opcache.memory_consumption=128
    opcache.max_accelerated_files=10000<\/pre>
        3.\u91cd\u65b0\u555f\u52d5\u60a8\u7684 Web \u4f3a\u670d\u5668\uff1a sudo service apache2 restart<\/code><\/p>
    2.\u512a\u5316\u8cc7\u6599\u5eab\u67e5\u8a62<\/strong><\/h2>
    \u5728\u5927\u591a\u6578 PHP \u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u8cc7\u6599\u5eab\u662f\u6548\u80fd\u74f6\u9838\u3002\u78ba\u4fdd\u60a8\u6c92\u6709\u9032\u884c\u4e0d\u5fc5\u8981\u7684\u8cc7\u6599\u5eab\u547c\u53eb - \u53ea\u64f7\u53d6\u60a8\u9700\u8981\u7684\u8cc7\u6599\uff0c\u4e26\u5229\u7528\u7d22\u5f15\u6b04\u4f4d\u52a0\u901f\u641c\u5c0b\u4f5c\u696d\u3002\u8003\u616e\u9023\u63a5\u8cc7\u6599\u8868\u6216\u4f7f\u7528\u6e96\u5099\u597d\u7684\u8a9e\u53e5\uff0c\u800c\u4e0d\u662f\u5728\u591a\u6b21\u8cc7\u6599\u5eab\u547c\u53eb\u4e2d\u9032\u884c\u5faa\u74b0\u3002\u4e00\u500b\u512a\u5316\u7684\u67e5\u8a62\u53ef\u4ee5\u62b5\u5f97\u4e0a\u4e00\u767e\u591a\u884c\u7684 PHP \u7a0b\u5f0f\u78bc\u3002<\/p>
    \"\"<\/figure>
    \u4ee3\u78bc\u7bc4\u4f8b\uff1a<\/p>
    \/\/ \u4f7f\u7528 JOIN \u4f86\u6700\u4f73\u5316\u53d6\u5f97\u5305\u542b\u8a3b\u89e3\u7684\u90e8\u843d\u683c\u6587\u7ae0
    $query = \"SELECT posts.*, comments.* FROM posts LEFT JOIN comments ON posts.id = comments.post_id WHERE posts.id = ?\"\uff1b
    $stmt = $db->prepare($query)\uff1b
    $stmt->execute([$postId])\uff1b
    $results = $stmt->fetchAll()\uff1b<\/pre>
    \u771f\u5be6\u60c5\u5883<\/strong>:\u60f3\u50cf\u4e00\u4e0b\u904b\u884c\u4e00\u500b\u9ad8\u6d41\u91cf\u7684\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u3002\u6bcf\u500b\u4f7f\u7528\u8005\u8acb\u6c42\u53ef\u80fd\u9700\u8981\u591a\u6b21\u8cc7\u6599\u5eab\u547c\u53eb\uff0c\u4ee5\u986f\u793a\u7522\u54c1\u8cc7\u8a0a\u3001\u4f7f\u7528\u8005\u8a73\u7d30\u8cc7\u8a0a\u548c\u5efa\u8b70\u3002\u4f7f\u7528 OPcache \u5132\u5b58\u5df2\u7de8\u8b6f\u7684 bytecode\uff0c\u4e26\u4f7f\u7528 Memcached \u5feb\u53d6\u8cc7\u6599\u5eab\u7d50\u679c\uff0c\u60a8\u53ef\u4ee5\u5927\u5e45\u7e2e\u77ed\u56de\u61c9\u6642\u9593\uff0c\u78ba\u4fdd\u5ba2\u6236\u4e0d\u6703\u56e0\u70ba\u9801\u9762\u8f09\u5165\u7de9\u6162\u800c\u653e\u68c4\u8cfc\u7269\u8eca\u3002
    \u521d\u5b78\u8005\u7bc4\u4f8b<\/strong>:\u5047\u8a2d\u60a8\u6709\u4e00\u500b\u7522\u54c1\u5217\u8868\u9801\u9762\uff0c\u6bcf\u6b21\u4f7f\u7528\u8005\u9020\u8a2a\u6642\u90fd\u6703\u5f9e\u8cc7\u6599\u5eab\u4e2d\u53d6\u5f97\u7522\u54c1\u8a73\u7d30\u8cc7\u8a0a\u3002\u5c07\u9019\u4e9b\u7522\u54c1\u8a73\u7d30\u8cc7\u6599\u5feb\u53d6\u5e7e\u5206\u9418\uff0c\u5c31\u53ef\u4ee5\u6e1b\u5c11\u8cc7\u6599\u5eab\u7684\u9ede\u64ca\u6b21\u6578\uff0c\u9032\u800c\u52a0\u5feb\u9801\u9762\u7684\u8f09\u5165\u6642\u9593\uff0c\u4e26\u6e1b\u5c11\u4f3a\u670d\u5668\u7684\u8ca0\u64d4\u3002<\/p>
    3.\u660e\u667a\u4f7f\u7528\u5167\u5efa\u529f\u80fd<\/strong><\/h2>
    PHP \u5167\u5efa\u4e86\u8a31\u591a\u91dd\u5c0d\u6548\u80fd\u6700\u4f73\u5316\u7684\u51fd\u5f0f\u3002\u5728\u53ef\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u8acb\u4f7f\u7528\u9019\u4e9b\u51fd\u5f0f\uff0c\u800c\u4e0d\u8981\u81ea\u5df1\u5beb\u51fd\u5f0f\u3002\u4f8b\u5982\uff0c\u50cf in_array()<\/code> \u6216 array_search()<\/code> \u662f\u9ad8\u6548\u7387\u7684\uff0c\u4e26\u91dd\u5c0d\u5176\u76ee\u7684\u9032\u884c\u4e86\u6700\u4f73\u5316\u3002\u5982\u679c\u6709\u9069\u5408\u60a8\u9700\u6c42\u7684\u5167\u5efa\u529f\u80fd\uff0c\u7e3d\u662f\u6bd4\u5ba2\u88fd\u89e3\u6c7a\u65b9\u6848\u66f4\u53ef\u53d6\u3002<\/p>
    \"\"<\/figure>
    \u7a0b\u5f0f\u78bc\u7bc4\u4f8b<\/p>
    \/\/ \u4e0d\u9700\u8981\u64b0\u5beb\u81ea\u8a02\u51fd\u5f0f\u4f86\u641c\u5c0b\u9663\u5217\u4e2d\u7684\u503c
    function customSearch($needle, $haystack) {
        foreach ($haystack as $value) {
            if ($value === $needle) {
                \u8fd4\u56de true\uff1b
            }
        }
        return false\uff1b
    }

    \/\/ \u4f7f\u7528\u5167\u5efa\u51fd\u5f0f
    $found = in_array($needle, $haystack); \/\/ \u9019\u6703\u66f4\u5feb\u66f4\u6709\u6548\u7387

    <\/pre>
    4. \u907f\u514d\u5faa\u74b0\u904e\u8f09<\/strong><\/h3>
    \u5de2\u72c0\u5faa\u74b0\u6703\u62d6\u7d2f\u6548\u80fd\u3002\u8acb\u52d9\u5fc5\u76e1\u91cf\u6e1b\u5c11\u8ff4\u5708\u5de2\u72c0\u6216\u627e\u51fa\u6e1b\u5c11\u8fed\u4ee3\u7684\u65b9\u6cd5\u3002\u4e0d\u8981\u4f7f\u7528\u591a\u500b \u70ba<\/code><\/strong> \u5faa\u74b0\uff0c\u8003\u616e\u9663\u5217\u51fd\u6578\uff0c\u4f8b\u5982 array_map()<\/strong>, array_filter()<\/strong>\u6216 \u904d\u6b77<\/strong> \u908f\u8f2f\u6027\u7684\u4e2d\u65b7\uff0c\u4ee5\u4fdd\u6301\u4f5c\u696d\u6548\u7387\u3002<\/p>
    \"\"<\/figure>
    \u4ee3\u78bc\u7bc4\u4f8b\uff1a<\/p>
    \/\/ \u4f7f\u7528 array_map \u5c0d\u6bcf\u500b\u5143\u7d20\u5957\u7528\u51fd\u6578
    $numbers = [1, 2, 3, 4, 5]\uff1b
    $squaredNumbers = array_map(function($number) {
        return $number * $number\uff1b
    }, $numbers)\uff1b

    <\/pre>
    5. \u8a2d\u5b9a\u60a8\u7684\u7a0b\u5f0f\u78bc<\/strong><\/h3>
    \"\"<\/figure>
    \u5982\u679c\u4e0d\u77e5\u9053\u74f6\u9838\u5728\u54ea\u88e1\uff0c\u5982\u4f55\u9032\u884c\u6700\u4f73\u5316\uff1f\u5de5\u5177\u5982 Xdebug<\/strong> \u548c \u9ed1\u706b<\/strong> \u53ef\u5354\u52a9\u60a8\u77ad\u89e3\u7a0b\u5f0f\u78bc\u4e2d\u54ea\u4e9b\u90e8\u5206\u4f54\u7528\u4e86\u6700\u591a\u7684\u6642\u9593\u3002\u5256\u6790\u5de5\u5177\u53ef\u8b93\u60a8\u6e05\u695a\u77ad\u89e3\u51fd\u5f0f\u7684\u57f7\u884c\u6642\u9593\u3001\u8a18\u61b6\u9ad4\u4f7f\u7528\u91cf\u4ee5\u53ca\u5176\u4ed6\u6548\u80fd\u6307\u6a19\u3002\u77e5\u9053\u662f\u4ec0\u9ebc\u5728\u62d6\u6162\u60a8\u7684\u901f\u5ea6\uff0c\u60a8\u5c31\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u91dd\u5c0d\u76ee\u6a19\u9032\u884c\u6700\u4f73\u5316\u3002<\/p>
    \u771f\u5be6\u60c5\u5883<\/strong>:\u5047\u8a2d\u60a8\u6709\u4e00\u500b API \u7aef\u9ede\u9700\u8981\u82b1\u5f88\u9577\u7684\u6642\u9593\u4f86\u56de\u61c9\u3002\u900f\u904e\u5256\u6790\u7a0b\u5f0f\u78bc\uff0c\u60a8\u767c\u73fe\u6d89\u53ca\u591a\u91cd\u5de2\u72c0\u5faa\u74b0\u7684\u7279\u5b9a\u51fd\u5f0f\u6d88\u8017\u4e86\u5927\u90e8\u5206\u6642\u9593\u3002\u60a8\u53ef\u4ee5\u900f\u904e\u512a\u5316\u6b64\u51fd\u6578\u6216\u4ee5\u66f4\u6709\u6548\u7387\u7684\u6f14\u7b97\u6cd5\u53d6\u4ee3\u5b83\uff0c\u5927\u5e45\u7e2e\u77ed\u56de\u61c9\u6642\u9593\u3002<\/em><\/p>
    \u9069\u5408\u521d\u5b78\u8005\u7684 Xdebug \u8a2d\u5b9a<\/strong>:<\/p>
    \u5b89\u88dd Xdebug\uff1a pecl install xdebug<\/code><\/p>
    \u555f\u7528 Xdebug<\/code> \u5728\u60a8\u7684 php.ini<\/code> file:<\/p>
    zend_extension=\"xdebug.so\" 

    xdebug.profiler_enable = 1<\/pre>
    \u91cd\u65b0\u555f\u52d5\u4f3a\u670d\u5668\uff0c\u4e26\u4f7f\u7528\u4e0b\u5217\u5de5\u5177\u5206\u6790\u7522\u751f\u7684 cachegrind \u6a94\u6848 KCacheGrind<\/strong>.<\/p>
    \u7a0b\u5f0f\u78bc\u7bc4\u4f8b<\/strong> (\u4f7f\u7528 Xdebug\uff09\uff1a<\/p>
    \/\/ \u82e5\u8981\u4f7f\u7528 Xdebug \u5256\u6790\u60a8\u7684\u6307\u4ee4\u78bc\uff0c\u8acb\u5728 php.ini \u4e2d\u555f\u7528 Xdebug \u5256\u6790\u529f\u80fd
    xdebug.profiler_enable = 1\uff1b
    \/\/ \u4f7f\u7528 KCacheGrind \u7b49\u5de5\u5177\u5206\u6790\u7522\u751f\u7684 cachegrind \u6a94\u6848\u3002
    <\/pre>
    \"\"<\/figure>
    6.\u660e\u667a\u4f7f\u7528\u81ea\u52d5\u5f48\u5c04\u5668<\/h2>
    \u4f7f\u7528 \u81ea\u52d5\u52a0\u85e5\u6a5f<\/strong> \u6709\u52a9\u65bc\u4fdd\u6301\u7a0b\u5f0f\u78bc\u7684\u4e7e\u6de8\uff0c\u4f46\u904e\u5ea6\u4f7f\u7528\u53ef\u80fd\u6703\u5927\u5e45\u589e\u52a0\u958b\u92b7\u3002\u78ba\u4fdd\u60a8\u53ea\u8f09\u5165\u6240\u9700\u7684\u5167\u5bb9\uff0c\u4e26\u5c07\u4e0d\u5fc5\u8981\u7684\u985e\u5225\u7f6e\u65bc\u8a18\u61b6\u9ad4\u4e4b\u5916\u3002\u8003\u616e\u4f7f\u7528 \u4f5c\u66f2\u5bb6<\/strong> \u5167\u5efa\u81ea\u52d5\u52a0\u8f09\u6700\u4f73\u5316\u529f\u80fd\uff0c\u53ea\u8f09\u5165\u6240\u9700\u7684\u8ab2\u7a0b\u3002<\/p>
    \"\"<\/figure>
    \u771f\u5be6\u60c5\u5883<\/strong>:\u5728\u5177\u6709\u8a31\u591a\u4e0d\u540c\u6a21\u7d44\u7684\u5927\u578b Web \u61c9\u7528\u7a0b\u5f0f\u4e2d\uff0c\u4f7f\u7528\u5168\u5c40\u81ea\u52d5\u52a0\u8f09\u5668\u53ef\u80fd\u6703\u5c0e\u81f4\u986f\u8457\u7684\u958b\u92b7\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6bcf\u6b21\u8acb\u6c42\u90fd\u8f09\u5165\u6240\u6709\u7684\u985e\u5225\uff0c\u5c31\u6703\u4e0d\u5fc5\u8981\u5730\u589e\u52a0\u8a18\u61b6\u9ad4\u4f7f\u7528\u91cf\u3002\u53d6\u800c\u4ee3\u4e4b\uff0c\u914d\u7f6e Composer \u7684\u81ea\u52d5\u52a0\u8f09\u529f\u80fd\uff0c\u4f7f\u5176\u53ea\u52a0\u8f09\u6240\u9700\u7684\u5167\u5bb9\uff0c\u9019\u6a23\u53ef\u4ee5\u5927\u5e45\u6e1b\u5c11\u52a0\u8f09\u6642\u9593\u548c\u8a18\u61b6\u9ad4\u6d88\u8017\u3002<\/em><\/p>
    \u521d\u5b78\u8005\u7bc4\u4f8b<\/strong>:\u4f7f\u7528 Composer \u8a2d\u5b9a\u81ea\u52d5\u52a0\u8f09\u6642\uff0c\u8acb\u4f7f\u7528\uff1a<\/p>
    {
      \"autoload\"\uff1a{
        \"PSR-4\"\uff1a{
          \"App\\\"\uff1a\"src\/\"
        }
      }
    }
    <\/pre>
    \u7de8\u8f2f\u5f8c composer.json<\/code>\u904b\u884c composer dump-autoload --optimize<\/code> \u4ee5\u78ba\u4fdd\u53ea\u8f09\u5165\u5fc5\u8981\u7684\u6a94\u6848\u3002<\/p>
    7. \u5229\u7528\u8f38\u51fa\u7de9\u885d<\/strong><\/h2>
    \u8f38\u51fa\u7de9\u885d\u662f\u4e00\u500b\u8f03\u5c11\u70ba\u4eba\u77e5\u7684 PHP \u6027\u80fd\u512a\u5316\u6280\u5de7\u3002\u8207\u5176\u76f4\u63a5\u9010\u884c\u5c07\u8cc7\u6599\u50b3\u9001\u81f3\u7528\u6236\u7aef\uff0c\u4e0d\u5982\u555f\u7528\u8f38\u51fa\u7de9\u885d\u4f86\u6536\u96c6\u6240\u6709\u8f38\u51fa\u4e26\u5c07\u5176\u4e00\u6b21\u6027\u50b3\u9001\u3002\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4f86\u56de\u50b3\u9001\u7684\u6b21\u6578\uff0c\u5f9e\u800c\u6539\u5584\u8f09\u5165\u6642\u9593\u3002<\/p>
    \"\"<\/figure>
    \u5be6\u969b\u60c5\u6cc1\uff1a\u5c0d\u65bc\u63d0\u4f9b\u52d5\u614b\u5167\u5bb9\u7684\u9ad8\u6d41\u91cf\u90e8\u843d\u683c\u7db2\u7ad9\uff0c\u555f\u7528\u8f38\u51fa\u7de9\u885d\u529f\u80fd\u53ef\u5927\u5e45\u7e2e\u77ed\u8f09\u5165\u6642\u9593\u3002\u900f\u904e\u6536\u96c6\u6240\u6709\u5167\u5bb9\u4e26\u4e00\u6b21\u50b3\u9001\uff0c\u4f3a\u670d\u5668\u53ef\u5c07\u8207\u7528\u6236\u7aef\u7684\u4e92\u52d5\u6e1b\u81f3\u6700\u5c11\uff0c\u5c24\u5176\u662f\u5728\u7522\u751f\u5927\u578b HTML \u9801\u9762\u6642\u3002<\/em>
    <\/p>
    \u7a0b\u5f0f\u78bc\u7bc4\u4f8b<\/strong>:<\/p>
    \/\/ \u555f\u7528\u8f38\u51fa\u7de9\u885d
    ob_start()\uff1b
    echo \"This is some content.\"\uff1b
    echo \u300c \u66f4\u591a\u5167\u5bb9\u3002\u300d\uff1b
    \/\/ \u4e00\u6b21\u50b3\u9001\u6240\u6709\u8f38\u51fa
    echo ob_get_clean()\uff1b

    \u521d\u5b78\u8005\u7bc4\u4f8b<\/strong>:\u5c0d\u65bc\u7c21\u55ae\u7684\u8868\u55ae\u63d0\u4ea4\uff0c\u4f7f\u7528\u8f38\u51fa\u7de9\u885d\u4f86\u6536\u96c6\u8f38\u51fa\u4e26\u4e00\u6b21\u50b3\u9001\uff0c\u800c\u4e0d\u662f\u9010\u884c\u8ff4\u61c9\u6bcf\u500b\u56de\u61c9\u3002\u9019\u53ef\u6e1b\u5c11\u4f3a\u670d\u5668\u8207\u7528\u6236\u7aef\u7684\u4e92\u52d5\u6642\u9593\u3002<\/em><\/pre>
    8. \u6700\u5c0f\u5316\u6a94\u6848 I\/O<\/strong><\/h3>
    \"\"<\/figure>
    \u5b58\u53d6\u6a94\u6848\u53ef\u80fd\u6703\u8017\u8cbb\u5927\u91cf\u6548\u80fd\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u5927\u578b\u8cc7\u6599\u96c6\u6642\u3002\u5728\u53ef\u80fd\u7684\u60c5\u6cc1\u4e0b\uff0c\u76e1\u91cf\u6e1b\u5c11\u6a94\u6848\u8b80\u53d6\u548c\u5beb\u5165\u3002\u5c07\u5e38\u5b58\u53d6\u7684\u6a94\u6848\u4fdd\u7559\u5728\u8a18\u61b6\u9ad4\u4e2d\uff0c\u6216\u4f7f\u7528\u5feb\u53d6\u6a5f\u5236\u4f86\u907f\u514d\u591a\u9918\u7684 I\/O \u4f5c\u696d\u3002\u6b64\u5916\uff0c\u5982\u679c\u60a8\u5305\u542b\u591a\u500b PHP \u6a94\u6848\uff0c\u8acb\u76e1\u53ef\u80fd\u5c07\u5b83\u5011\u5408\u4f75\uff0c\u4ee5\u6e1b\u5c11 \u5305\u62ec<\/code> \u6216 \u898f\u5b9a<\/code> \u5831\u8868\u3002<\/p>
    \u771f\u5be6\u60c5\u5883<\/strong>:\u5728\u9700\u8981\u7522\u751f\u5927\u578b CSV \u6a94\u6848\u7684\u5831\u8868\u7cfb\u7d71\u4e2d\uff0c\u53ef\u5148\u5728\u8a18\u61b6\u9ad4\u4e2d\u6536\u96c6\u6240\u6709\u8cc7\u6599\uff0c\u7136\u5f8c\u518d\u4e00\u6b21\u5168\u90e8\u5beb\u5165\uff0c\u4ee5\u76e1\u91cf\u6e1b\u5c11\u6a94\u6848\u5beb\u5165\u7684\u6b21\u6578\u3002\u9019\u6a23\u53ef\u4ee5\u7bc0\u7701\u5927\u91cf\u7684 I\/O \u6642\u9593\uff0c\u4e26\u6539\u5584\u8173\u672c\u6548\u80fd\u3002<\/em><\/p>
    \u521d\u5b78\u8005\u7bc4\u4f8b<\/strong>:\u5982\u679c\u60a8\u7684\u8173\u672c\u91cd\u8907\u5f9e\u6a94\u6848\u8b80\u53d6\u7d44\u614b\u8a2d\u5b9a\uff0c\u8acb\u8003\u616e\u8b80\u53d6\u4e00\u6b21\u6a94\u6848\uff0c\u4e26\u5c07\u8cc7\u6599\u5132\u5b58\u5728\u9663\u5217\u4e2d\u3002\u9019\u6a23\uff0c\u60a8\u5c31\u53ef\u4ee5\u907f\u514d\u591a\u6b21\u958b\u555f\u548c\u8b80\u53d6\u6a94\u6848\u7684\u958b\u92b7\u3002<\/em><\/p>
    9. \u5728\u751f\u7522\u4e2d\u95dc\u9589\u8abf\u8a66<\/strong><\/h3>
    \u78ba\u4fdd\u5728\u751f\u7522\u74b0\u5883\u4e2d\u95dc\u9589\u932f\u8aa4\u56de\u5831\u548c\u9664\u932f\u5de5\u5177\u3002\u5b83\u5011\u4e0d\u50c5\u6703\u9020\u6210\u5b89\u5168\u98a8\u96aa\uff0c\u9084\u6703\u56e0\u70ba\u7522\u751f\u4e0d\u5fc5\u8981\u7684\u8a18\u9304\u548c\u8f38\u51fa\u800c\u6e1b\u6162\u61c9\u7528\u7a0b\u5f0f\u7684\u901f\u5ea6\u3002<\/p>
    \"\"<\/figure>
    10. \u4f7f\u7528\u5167\u5bb9\u50b3\u905e\u7db2\u8def (CDN)<\/strong><\/h3>
    \u96d6\u7136\u9019\u8207\u60a8\u7684 PHP \u7a0b\u5f0f\u78bc\u6c92\u6709\u76f4\u63a5\u95dc\u4fc2\uff0c\u4f46\u4f7f\u7528 CDN<\/strong> \u53ef\u900f\u904e\u5378\u8f09\u975c\u614b\u8cc7\u7522\u548c\u964d\u4f4e\u4f3a\u670d\u5668\u8ca0\u8f09\uff0c\u5927\u5e45\u6539\u5584\u60a8\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5f0f\u6548\u80fd\u3002\u9019\u53ef\u8b93\u60a8\u7684\u4f3a\u670d\u5668\u5c08\u6ce8\u65bc\u57f7\u884c PHP \u6307\u4ee4\u78bc\uff0c\u5e36\u4f86\u66f4\u5feb\u901f\u3001\u53cd\u61c9\u66f4\u8fc5\u901f\u7684\u9ad4\u9a57\u3002<\/p>
    \"\"<\/figure>
    \u7e3d\u7d50<\/strong><\/h3>
    \u6548\u80fd\u6700\u4f73\u5316\u4e0d\u53ea\u662f\u8981\u5beb\u51fa\u80fd\u904b\u4f5c\u7684\u7a0b\u5f0f\u78bc\uff0c\u800c\u662f\u8981\u5beb\u51fa\u80fd\u6709\u6548\u904b\u4f5c\u7684\u7a0b\u5f0f\u78bc\u3002\u900f\u904e\u9075\u5faa\u9019\u4e9b\u6700\u4f73\u5be6\u52d9 - \u5feb\u53d6\u7d50\u679c\u3001\u6700\u4f73\u5316\u8cc7\u6599\u5eab\u4e92\u52d5\u3001\u5229\u7528\u5167\u5efa\u51fd\u5f0f\uff0c\u4ee5\u53ca\u5256\u6790\u60a8\u7684\u8173\u672c - \u60a8\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684 PHP \u61c9\u7528\u7a0b\u5f0f\u4fdd\u6301\u654f\u6377\uff0c\u4e26\u63d0\u4f9b\u4e00\u6d41\u7684\u4f7f\u7528\u8005\u9ad4\u9a57\u3002\u8acb\u8a18\u4f4f\uff0c\u5c0d\u60a8\u548c\u60a8\u7684\u4f7f\u7528\u8005\u4f86\u8aaa\uff0c\u4e00\u500b\u66f4\u5feb\u7684\u7db2\u7ad9\u5c31\u662f\u4e00\u500b\u66f4\u5feb\u6a02\u7684\u7db2\u7ad9\u3002<\/p>
    \u60a8\u5617\u8a66\u904e\u9019\u4e9b\u6280\u8853\u55ce\uff1f\u6216\u8005\u60a8\u6709\u6700\u559c\u6b61\u7684\u512a\u5316 PHP \u8173\u672c\u7684\u65b9\u6cd5\u55ce\uff1f\u8acb\u5728\u4e0b\u65b9\u7559\u8a00\u4e26\u5206\u4eab\u60a8\u7684\u898b\u89e3\uff01<\/p>
    <\/p>","protected":false},"excerpt":{"rendered":"
    \u512a\u5316\u60a8\u7684 PHP \u8173\u672c\u5c0d\u65bc\u5efa\u7acb\u5feb\u901f\u4e14\u6709\u6548\u7387\u7684 Web \u61c9\u7528\u7a0b\u5f0f\u81f3\u95dc\u91cd\u8981\u3002\u6c92\u6709\u4eba\u559c\u6b61\u7de9\u6162\u7684\u7db2\u7ad9\uff0c\u800c\u4f7f\u7528\u8005\u7684\u8010\u6027\u4e5f\u6bd4\u8f03\u8584\u5f31\u3002<\/p>","protected":false},"author":31,"featured_media":2831,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[83],"tags":[264,265,263],"class_list":["post-2799","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-developer-tips","tag-essential-tips","tag-php-best-practices","tag-php-performance",""],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/posts\/2799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/users\/31"}],"replies":[{"embeddable":true,"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/comments?post=2799"}],"version-history":[{"count":8,"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/posts\/2799\/revisions"}],"predecessor-version":[{"id":3178,"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/posts\/2799\/revisions\/3178"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/media\/2831"}],"wp:attachment":[{"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/media?parent=2799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/categories?post=2799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.openbyt.com\/zh\/wp-json\/wp\/v2\/tags?post=2799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}