{"id":486,"date":"2024-11-02T23:57:18","date_gmt":"2024-11-02T15:57:18","guid":{"rendered":"http:\/\/www.wengdao.net\/?p=486"},"modified":"2024-11-02T23:57:18","modified_gmt":"2024-11-02T15:57:18","slug":"php-%e6%93%8d%e4%bd%9clinux%e5%85%b1%e4%ba%ab%e5%86%85%e5%ad%98","status":"publish","type":"post","link":"https:\/\/jiandao.zliby.com\/?p=486","title":{"rendered":"php \u64cd\u4f5cLinux\u5171\u4eab\u5185\u5b58"},"content":{"rendered":"\n<p>\u5728 PHP \u4e2d\uff0c\u76f4\u63a5\u64cd\u4f5c \/dev\/shm \u76ee\u5f55\uff08Linux \u7cfb\u7edf\u4e2d\u7684\u5171\u4eab\u5185\u5b58\u6587\u4ef6\u7cfb\u7edf\uff09\u662f\u53ef\u80fd\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u521b\u5efa\u548c\u64cd\u4f5c\u5171\u4eab\u5185\u5b58\u6587\u4ef6\uff1a<\/p>\n\n\n\n<ol>\n<li>\u521b\u5efa\u5171\u4eab\u5185\u5b58\u6587\u4ef6<br>\u53ef\u4ee5\u4f7f\u7528 PHP \u7684\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u4e34\u65f6\u6587\u4ef6\u5728 \/dev\/shm \u4e0b\u3002<\/li>\n\n\n\n<li>\u5199\u5165\u6570\u636e<br>\u4f7f\u7528 file_put_contents() \u6216 fwrite() \u5c06\u6570\u636e\u5199\u5165\u8be5\u6587\u4ef6\u3002<\/li>\n\n\n\n<li>\u8bfb\u53d6\u6570\u636e<br>\u4f7f\u7528 file_get_contents() \u6216 fread() \u4ece\u8be5\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u793a\u4f8b\u4ee3\u7801<br>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff0c<\/p>\n\n\n\n<p>php<br>\u590d\u5236\u4ee3\u7801<br>\/\/ \u8bbe\u7f6e\u5171\u4eab\u5185\u5b58\u6587\u4ef6\u8def\u5f84<br>$shm_file = '\/dev\/shm\/shared_memory.txt';<\/p>\n\n\n\n<p>\/\/ \u5199\u5165\u6570\u636e\u5230\u5171\u4eab\u5185\u5b58\u6587\u4ef6<br>$data = \"Hello, Shared Memory!\";<br>file_put_contents($shm_file, $data);<\/p>\n\n\n\n<p>\/\/ \u8bfb\u53d6\u6570\u636e<br>$read_data = file_get_contents($shm_file);<br>echo \"Read from shared memory file: $read_data\\n\"; \/\/ \u8f93\u51fa: Hello, Shared Memory!<\/p>\n\n\n\n<p>\/\/ \u5220\u9664\u5171\u4eab\u5185\u5b58\u6587\u4ef6<br>unlink($shm_file);<\/p>\n\n\n\n<p>\u6ce8\u610f<br>\u786e\u4fdd PHP \u8fdb\u7a0b\u6709\u6743\u9650\u5728 \/dev\/shm \u76ee\u5f55\u4e0b\u521b\u5efa\u548c\u5220\u9664\u6587\u4ef6\u3002\u901a\u5e38\uff0cPHP \u8fd0\u884c\u5728 web \u670d\u52a1\u5668\u4e0b\uff0c\u53ef\u80fd\u4f1a\u53d7\u5230\u7528\u6237\u6743\u9650\u7684\u9650\u5236\u3002<br>\u5e76\u53d1\u8bbf\u95ee\uff1a\u76f4\u63a5\u64cd\u4f5c\u6587\u4ef6\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u7ade\u4e89\u95ee\u9898\uff0c\u5c24\u5176\u662f\u5728\u591a\u8fdb\u7a0b\u73af\u5883\u4e2d\u3002\u5efa\u8bae\u4f7f\u7528 PHP \u7684\u5185\u7f6e\u5171\u4eab\u5185\u5b58\u6269\u5c55\u6765\u5904\u7406\u8fd9\u79cd\u60c5\u51b5\u3002<br>\u6587\u4ef6\u7cfb\u7edf\u7684\u7279\u6027\uff1a\/dev\/shm \u662f\u4e00\u4e2a\u4e34\u65f6\u6587\u4ef6\u7cfb\u7edf\uff0c\u5185\u5bb9\u4f1a\u5728\u7cfb\u7edf\u91cd\u542f\u540e\u4e22\u5931\uff0c\u56e0\u6b64\u4e0d\u9002\u5408\u6301\u4e45\u5316\u5b58\u50a8\u3002<br>\u5c3d\u7ba1\u76f4\u63a5\u64cd\u4f5c\u6587\u4ef6\u7684\u65b9\u6cd5\u9002\u5408\u67d0\u4e9b\u7279\u5b9a\u573a\u666f\uff0c\u4f46\u9700\u8c28\u614e\u5904\u7406\u5e76\u53d1\u548c\u6743\u9650\u95ee\u9898\u3002<\/p>\n\n\n\n<p>ps: \u901a\u5e38\u4e0d\u5efa\u8bae\u76f4\u63a5\u4f7f\u7528\uff0c\u56e0\u4e3a PHP \u63d0\u4f9b\u7684\u5171\u4eab\u5185\u5b58\u6269\u5c55\uff08\u5982 shmop \u548c sysvshm\uff09\u5df2\u7ecf\u5c01\u88c5\u4e86\u5927\u90e8\u5206\u4f4e\u7ea7\u64cd\u4f5c\uff0c\u4e14\u80fd\u66f4\u597d\u5730\u5904\u7406\u5185\u5b58\u7684\u7ba1\u7406\u548c\u5b89\u5168\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 PHP \u4e2d\uff0c\u76f4\u63a5\u64cd\u4f5c \/dev\/shm \u76ee\u5f55\uff08Linux \u7cfb\u7edf\u4e2d\u7684\u5171\u4eab\u5185\u5b58\u6587\u4ef6\u7cfb\u7edf\uff09\u662f\u53ef\u80fd\u7684\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/jiandao.zliby.com\/index.php?rest_route=\/wp\/v2\/posts\/486"}],"collection":[{"href":"https:\/\/jiandao.zliby.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jiandao.zliby.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jiandao.zliby.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jiandao.zliby.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=486"}],"version-history":[{"count":1,"href":"https:\/\/jiandao.zliby.com\/index.php?rest_route=\/wp\/v2\/posts\/486\/revisions"}],"predecessor-version":[{"id":487,"href":"https:\/\/jiandao.zliby.com\/index.php?rest_route=\/wp\/v2\/posts\/486\/revisions\/487"}],"wp:attachment":[{"href":"https:\/\/jiandao.zliby.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jiandao.zliby.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jiandao.zliby.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}