{"id":48496,"date":"2024-12-02T13:19:16","date_gmt":"2024-12-02T05:19:16","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48496\/"},"modified":"2024-12-02T13:19:16","modified_gmt":"2024-12-02T05:19:16","slug":"%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96php%e5%87%bd%e6%95%b0%e4%b8%ad%e7%9a%84%e6%96%87%e4%bb%b6%e6%93%8d%e4%bd%9c%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48496\/","title":{"rendered":"\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c\uff1f<\/h1>\n<p>\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, 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\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u6587\u4ef6\u5c3a\u5bf8\u4f18\u5316\uff1a\u5206\u5757\u8bfb\u53d6\/\u5199\u5165\u5927\u6587\u4ef6\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u8bfb\u53d6\/\u5199\u5165\u901f\u5ea6\u4f18\u5316\uff1a\u4f7f\u7528\u7f13\u51b2\u533a\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u63d0\u9ad8 I\/O \u901f\u5ea6\u3002\u6587\u4ef6\u9501\u5b9a\u4f18\u5316\uff1a\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4f7f\u7528\u6587\u4ef6\u9501\u5b9a\u9632\u6b62\u7ade\u4e89\u6761\u4ef6\u3002\u5b9a\u4f4d\u6307\u9488\u4f18\u5316\uff1a\u4f7f\u7528 fseek \u51fd\u6570\u4f18\u5316\u5bf9\u6587\u4ef6\u7279\u5b9a\u4f4d\u7f6e\u7684\u8bbf\u95ee\u65f6\u95f4\u3002\u5b9e\u6218\u6848\u4f8b\uff1a\u4f18\u5316\u6587\u4ef6\u8bfb\u53d6\/\u5199\u5165\u6027\u80fd\u4ee5\u63d0\u5347\u6548\u7387\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730037825671e48419e8be.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u4f18\u5316 PHP \u51fd\u6570\u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c<\/strong><\/p>\n<p><strong>\u7b80\u4ecb<\/strong><\/p>\n<p>\u6587\u4ef6\u64cd\u4f5c\u662f PHP \u4e2d\u5e38\u89c1\u7684\u4efb\u52a1\uff0c\u5b83\u5bf9\u4e8e\u8bfb\u53d6\u3001\u5199\u5165\u3001\u521b\u5efa\u548c\u5220\u9664\u6587\u4ef6\u81f3\u5173\u91cd\u8981\u3002\u4e3a\u4e86\u786e\u4fdd\u6587\u4ef6\u64cd\u4f5c\u7684\u9ad8\u6548\u7387\uff0c\u6709\u5fc5\u8981\u5bf9 PHP \u51fd\u6570\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n<p><strong>\u6587\u4ef6\u5c3a\u5bf8\u4f18\u5316<\/strong><\/p>\n<p>\u5904\u7406\u5927\u6587\u4ef6\u65f6\uff0c\u4f7f\u7528\u5206\u5757\u6587\u4ef6\u64cd\u4f5c\u6280\u672f\u53ef\u4ee5\u4f18\u5316\u6027\u80fd\uff1a<\/p>\n<pre>\/\/ \u6253\u5f00\u6587\u4ef6\u5e76\u5206\u5757\u8bfb\u53d6\n$handle = fopen('large_file.txt', 'r');\nwhile (!feof($handle)) {\n    $buffer = fread($handle, 1024);\n    \/\/ \u5904\u7406 $buffer\n}\nfclose($handle);<\/pre>\n<p><strong>\u8bfb\u53d6\/\u5199\u5165\u901f\u5ea6\u4f18\u5316<\/strong><\/p>\n<p>\u4f7f\u7528\u5e26\u7f13\u51b2\u7684\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u53ef\u4ee5\u63d0\u9ad8 I\/O \u64cd\u4f5c\u7684\u901f\u5ea6\uff1a<\/p>\n<pre>\/\/ \u6253\u5f00\u6587\u4ef6\u5e76\u4f7f\u7528\u7f13\u51b2\u533a\n$handle = fopen('data.txt', 'w');\nfwrite($handle, 'Hello World');\nfclose($handle);<\/pre>\n<p><strong>\u6587\u4ef6\u9501\u5b9a\u4f18\u5316<\/strong><\/p>\n<p>\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\uff0c\u4f7f\u7528\u6587\u4ef6\u9501\u5b9a\u53ef\u4ee5\u9632\u6b62\u7ade\u4e89\u6761\u4ef6\uff1a<\/p>\n<pre>\/\/ \u83b7\u53d6\u6587\u4ef6\u9501\u5b9a\nflock($handle, LOCK_EX);\n\n\/\/ \u5904\u7406\u6587\u4ef6\u64cd\u4f5c\n\/\/ ...\n\n\/\/ 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'email']);\nfclose($handle);<\/pre>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c\uff1f\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f18\u5316php\u51fd\u6570\u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c\uff1f 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\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u6587\u4ef6\u5c3a\u5bf8\u4f18\u5316\uff1a\u5206\u5757\u8bfb\u53d6\/\u5199\u5165\u5927\u6587\u4ef6\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u8bfb\u53d6\/\u5199\u5165\u901f\u5ea6\u4f18\u5316\uff1a\u4f7f\u7528\u7f13\u51b2\u533a\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u63d0\u9ad8 I\/O \u901f\u5ea6\u3002\u6587\u4ef6\u9501\u5b9a\u4f18\u5316\uff1a\u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\u4f7f\u7528\u6587\u4ef6\u9501\u5b9a\u9632\u6b62\u7ade\u4e89\u6761\u4ef6\u3002\u5b9a\u4f4d\u6307\u9488\u4f18\u5316\uff1a\u4f7f\u7528 fseek \u51fd\u6570\u4f18\u5316\u5bf9\u6587\u4ef6\u7279\u5b9a\u4f4d\u7f6e\u7684\u8bbf\u95ee\u65f6\u95f4\u3002\u5b9e\u6218\u6848\u4f8b\uff1a\u4f18\u5316\u6587\u4ef6\u8bfb\u53d6\/\u5199\u5165\u6027\u80fd\u4ee5\u63d0\u5347\u6548\u7387\u3002 \u5982\u4f55\u4f18\u5316 PHP \u51fd\u6570\u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c \u7b80\u4ecb \u6587\u4ef6\u64cd\u4f5c\u662f PHP 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fopen(&#8216;data.txt&#8217;, &#8216;w&#8217;); fwrite($handle, &#8216;Hello World&#8217;); fclose($handle); \u6587\u4ef6\u9501\u5b9a\u4f18\u5316 \u5728\u591a\u7ebf\u7a0b\u73af\u5883\u4e2d\uff0c\u4f7f\u7528\u6587\u4ef6\u9501\u5b9a\u53ef\u4ee5\u9632\u6b62\u7ade\u4e89\u6761\u4ef6\uff1a \/\/ 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