{"id":20,"date":"2005-03-05T12:10:14","date_gmt":"2005-03-05T04:10:14","guid":{"rendered":"http:\/\/blog.urdada.net\/2005\/03\/05\/20\/"},"modified":"2013-05-27T23:10:12","modified_gmt":"2013-05-27T15:10:12","slug":"%e8%ae%93-freebsd-%e4%b8%8b%e7%9a%84-php-dba-extension-%e8%83%bd%e6%94%af%e6%8f%b4-dbm-handler","status":"publish","type":"post","link":"https:\/\/dada.tw\/blog\/2005\/03\/05\/20\/","title":{"rendered":"\u8b93 FreeBSD \u4e0b\u7684 PHP DBA extension \u80fd\u652f\u63f4 ‘dbm’ handler"},"content":{"rendered":"

\u8b93 FreeBSD \u4e0b\u7684 PHP DBA extension \u80fd\u652f\u63f4 ‘dbm’ handler<\/p>\n

\u5728 FreeBSD \u4e0a\u9762\u958b\u767c\u4e86\u4e00\u4e9b\u7a0b\u5f0f\uff0c\u4f7f\u7528\u5230 DBOPEN(3)<\/font><\/a> \u9019\u500b\u51fd\u6578\u4f86\u8655\u7406\u4e00\u4e9b hash..<\/p>\n

\u539f\u672c PHP \u6709\u652f\u63f4 DBM extension \u53ef\u4ee5\u8b80\u53d6\u9019\u4e9b db\uff0c\u4e0d\u904e\u65b0\u7248\u7684 PHP \u5df2\u7d93\u4e0d\u652f\u63f4 DBM extension \u4e86\uff0c\u6539\u7528 DBA extension<\/a> \u914d\u5408 ‘dbm’ handler \u4f86\u5b58\u53d6\u9019\u4e9b db<\/p>\n

\u7136\u800c\u5728 FreeBSD \u4e0b\uff0c\u4f7f\u7528 ports \u53bb\u5b89\u88dd\u7684\u65b0\u7248 PHP\uff0c\u5176\u4e2d\u7684 DBA extension \u537b\u7121\u6cd5\u652f\u63f4 ‘dbm’ handler..<\/p>\n

\u7576\u7136\uff0c\u5982\u679c\u53ef\u4ee5\u7684\u8a71\u6539\u7528 ‘db4’ handler \u53ef\u80fd\u662f\u6bd4\u8f03\u597d\u7684\uff0c\u4e0d\u904e\u7531\u65bc\u6b77\u53f2\u56e0\u7d20\u96e3\u89e3.. \u6240\u4ee5\u5c31\u53ea\u597d\u81ea\u5df1\u8df3\u4e0b\u53bb\u6539\u7a0b\u5f0f\uff0c\u8b93 PHP \u5728\u5b89\u88dd\u6642\u80fd\u5920\u5229\u7528 DBOPEN(3)<\/font><\/a> \u4f86\u63d0\u4f9b ‘dbm’ handler<\/p>\n

DBM \u4e8b\u5be6\u4e0a\u53ea\u662f\u4e00\u500b API\uff0c\u5176\u6240\u7522\u751f\u7684 db \u6a94\u6848\u683c\u5f0f\u5728\u5404\u7a2e\u7cfb\u7d71\u4e0b\u53ef\u80fd\u4e0d\u76f8\u5bb9\uff0c\u800c\u4e14\u5229\u7528\u4e0d\u540c\u65b9\u5f0f\u63d0\u4f9b\u7684 DBM handler \u6240\u7522\u751f\u7684 db \u6a94\u6848\u683c\u5f0f\u4e5f\u53ef\u80fd\u4e0d\u4e00\u6a23..<\/p>\n

\u9019\u500b patch \u6211\u6709\u56de\u9001\u7d66 PHP \u958b\u767c\u5c0f\u7d44\uff0c\u64da\u8aaa PHP 5.1 \u5df2\u7d93\u6062\u5fa9\u652f\u63f4 DBM handler \u4e86\uff0c\u4e0d\u904e\u6211\u9084\u6c92\u7a7a\u53bb\u6e2c\u8a66<\/p>\n

\u6709\u4e86\u9019\u500b patch\uff0c\u4f60\u5c31\u53ef\u4ee5\u4f7f\u7528 PHP \u4f86\u5b58\u53d6 FreeBSD \u7684\u4e00\u4e9b\u7cfb\u7d71 db \u6a94\u6848\u4e86\uff0c\u4f8b\u5982 \/etc\/mail\/aliases.db<\/span><\/p>\n

$id = dba_open(\"\/etc\/mail\/aliases.db\", \"r\", \"dbm\");\r\n$root_alias = dba_fetch( \"root\\0\", $id );<\/pre>\n
\u53e6\u5916\uff0c\u9019\u500b  patch \u4f7f\u7528 HASH(3)<\/font><\/a> \u7576\u4f5c\u5167\u90e8\u7684\u8cc7\u6599\u683c\u5f0f\uff0c\u56e0\u6b64\u5982\u679c\u7528 C  \u5beb\u7a0b\u5f0f\uff0c\u8a18\u5f97\u7b2c\u56db\u500b\u53c3\u6578\u8981\u4f7f\u7528 DB_HASH<\/strong><\/font> \uff0c\u4f8b\u5982\uff1a<\/p>\n
db = dbopen(\"\/tmp\/test.db\", O_RDWR, 0644, DB_HASH, NULL);<\/pre>\n
\u5176\u4ed6\u8a73\u7d30\u8cc7\u8a0a\u8acb\u53c3\u8003\uff1a  http:\/\/www.csie.nctu.edu.tw\/~cdsheen\/codings\/freebsd-phpdbm-patch.php<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u8b93 FreeBSD \u4e0b\u7684 PHP DBA extension \u80fd\u652f\u63f4 ‘dbm’ ha […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[10],"tags":[],"class_list":["post-20","post","type-post","status-publish","format-standard","hentry","category-language"],"views":2927,"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/pubdi-k","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":15,"url":"https:\/\/dada.tw\/blog\/2006\/07\/25\/15\/","url_meta":{"origin":20,"position":0},"title":"\u4f7f\u7528 bcompiler \u4f86\u7de8\u8b6f\uff08\u52a0\u5bc6\uff09\u60a8\u7684 PHP \u539f\u59cb\u78bc","author":"dada","date":"2006-07-25","format":false,"excerpt":"Using bcomipler to compile (encode) your PHP scrip\u2026","rel":"","context":"\u5728\u300c\u7a0b\u5f0f\u8a9e\u8a00\u300d\u4e2d","block_context":{"text":"\u7a0b\u5f0f\u8a9e\u8a00","link":"https:\/\/dada.tw\/blog\/category\/comp\/language\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":18,"url":"https:\/\/dada.tw\/blog\/2005\/06\/23\/18\/","url_meta":{"origin":20,"position":1},"title":"eAccelerator – PHP \u7db2\u9801\u52a0\u901f\u53ca\u7de8\u78bc","author":"dada","date":"2005-06-23","format":false,"excerpt":"eAccelerator - 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