\u516c\u53f8\u662f\u5206\u5e03\u8bd5\u7684\u670d\u52a1\u5668\uff0c\u4f7f\u7528\u7684\u6570\u636e\u5e93\u6765\u4fdd\u5b58 session\u3002\u5728\u4ece PHP5 \u5347\u7ea7\u5230 PHP7.4 \u8fc7\u7a0b\u4e2d\u53d1\u73b0\uff0csession write \u4e00\u76f4\u6ca1\u6709\u88ab\u8c03\u7528\uff0c\u6240\u4ee5\u4e5f\u4e00\u76f4\u6ca1\u6709\u88ab\u66f4\u65b0\u5230\u3002<\/p>\n\n\n\n
\u95ee\u9898\u89e3\u51b3\u5f88\u7b80\u5355\uff0c\u5728 read \u65b9\u6cd5\u91cc\u3002\u4e4b\u524d\u662f\uff1a<\/p>\n\n\n\n
public function read($sessionId)\n{\n $res = mysqli_query($link, 'SELECT data from session where session=\"' . $sessionId . '\"');\n if ( $res ) {\n $row = mysqli_fetch_assoc($res);\n return $row['data'];\n }\n retun ''\n}<\/code><\/pre>\n\n\n\n\u53ea\u9700\u8981\u6539\u6210\uff1a<\/p>\n\n\n\n
public function read($sessionId)\n{\n $res = mysqli_query($link, 'SELECT data from session where session=\"' . $sessionId . '\"');\n if ( $res ) {\n $row = mysqli_fetch_assoc($res);\n return empty($row['data']) ? '' : $row['data'];\n }\n retun ''\n}<\/code><\/pre>\n\n\n\n\u731c\u6d4b\u539f\u56e0\u662f\uff0c\u5982\u679cread \u8fd4\u56de\u4e86 null \/ false\uff0c\u5c31\u4e0d\u4f1a\u89e6\u53d1 write \u4e86....... \u4f46\u6ca1\u6709\u627e\u5230\u539f\u7406\u3002
\u53c8\u4e00\u4e2a\u6df1\u5751\u5440~~<\/p>\n\n\n\n
\u597d\u5427\uff0c\u6587\u6863(https:\/\/www.php.net\/manual\/zh\/function.session-set-save-handler)\uff0c\u786e\u5b9e\u5199\u4e86\u3002\u8fd4\u56de\u7684\u9700\u8981\u662f string\u3002<\/p>\n\n\n\n
read(string $sessionId): string<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"\u516c\u53f8\u662f\u5206\u5e03\u8bd5\u7684\u670d\u52a1\u5668\uff0c\u4f7f\u7528\u7684\u6570\u636e\u5e93\u6765\u4fdd\u5b58 session\u3002\u5728\u4ece PHP5 \u5347\u7ea7\u5230 PHP7.4 \u8fc7\u7a0b\u4e2d\u53d1\u73b0\uff0csession write \u4e00\u76f4\u6ca1\u6709\u88ab\u8c03\u7528\uff0c\u6240\u4ee5\u4e5f\u4e00\u76f4\u6ca1\u6709\u88ab\u66f4\u65b0\u5230\u3002 \u95ee\u9898\u89e3\u51b3\u5f88\u7b80\u5355\uff0c\u5728 read \u65b9\u6cd5\u91cc\u3002\u4e4b\u524d\u662f\uff1a \u53ea\u9700\u8981\u6539\u6210\uff1a \u731c\u6d4b\u539f\u56e0\u662f\uff0c\u5982\u679cread \u8fd4\u56de\u4e86 null \/ false\uff0c\u5c31\u4e0d\u4f1a\u89e6\u53d1 write \u4e86……. \u4f46\u6ca1\u6709\u627e\u5230\u539f\u7406\u3002 \u53c8\u4e00\u4e2a\u6df1\u5751\u5440~~ \u597d\u5427\uff0c\u6587\u6863(https\u2026<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.doublejia.cn\/index.php?rest_route=\/wp\/v2\/posts\/518"}],"collection":[{"href":"https:\/\/blog.doublejia.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.doublejia.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.doublejia.cn\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.doublejia.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=518"}],"version-history":[{"count":2,"href":"https:\/\/blog.doublejia.cn\/index.php?rest_route=\/wp\/v2\/posts\/518\/revisions"}],"predecessor-version":[{"id":520,"href":"https:\/\/blog.doublejia.cn\/index.php?rest_route=\/wp\/v2\/posts\/518\/revisions\/520"}],"wp:attachment":[{"href":"https:\/\/blog.doublejia.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.doublejia.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.doublejia.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}