{"id":188,"date":"2016-03-05T17:01:40","date_gmt":"2016-03-05T09:01:40","guid":{"rendered":"http:\/\/blog.inforere.com\/?p=188"},"modified":"2016-03-07T11:14:17","modified_gmt":"2016-03-07T03:14:17","slug":"%e5%85%b3%e4%ba%8ephp%e7%9a%84yield","status":"publish","type":"post","link":"https:\/\/blog.inforere.com\/?p=188","title":{"rendered":"\u5173\u4e8ephp\u7684yield"},"content":{"rendered":"<ol>\n<li>yield\u7684\u51fd\u6570\uff0c\u5c31\u662f\u4e00\u4e2aGenerator\u5bf9\u8c61\u7684\u751f\u6210\u5668\uff0c\u8c03\u7528\u6b64\u7c7b\u51fd\u6570\uff0c\u4e0d\u4f1a\u7acb\u5373\u6267\u884c\u51fd\u6570\u4f53\u4e2d\u7684\u4ee3\u7801<\/li>\n<li>\u5173\u4e8e\u7528\u4e8e\u591a\u4efb\u52a1\u5904\u7406\uff0c<br \/>\n<strong>\u4efb\u52a1(task)<\/strong>\u662fGenerator\u5bf9\u8c61\u7684\u7b80\u5355\u5305\u88c5\u5bf9\u8c61\uff0c<br \/>\n<strong>\u4efb\u52a1\u7ba1\u7406\u5668(Scheduler)<\/strong>\u5bf9\u961f\u5217\u4e2d\u4efb\u52a1\u5206\u522b\u8fed\u4ee3\uff0c\u76f4\u5230\u6240\u6709\u4efb\u52a1\u88ab\u6267\u884c\u5b8c(\u5faa\u73af\u5b8c),<br \/>\n<strong>\u7cfb\u7edf\u8c03\u7528(SysCall)<\/strong>\u662f\u4e00\u4e2acallback\u7684\u5305\u88c5\uff0c\u5c06\u5f53\u524d\u6267\u884c\u7684\u4efb\u52a1\u53ca\u7ba1\u7406\u5668\u4f5c\u4e3a\u53c2\u6570\uff0c<br \/>\n<strong>\u534f\u7a0b\u5806\u6808(StackedCoroutine) <\/strong>\u652f\u6301\u4efb\u52a1\u534f\u7a0b\u4e2d\u8fd0\u884c\u5b50\u534f\u7a0b\u51fd\u6570\uff0c\u4ee5\u4fbf\u5bf9\u529f\u80fd\u505a\u66f4\u5c0f\u7c92\u5ea6\u7684\u5c01\u88c5\u3002<br \/>\n\u5728\u4efb\u52a1\u4e2d\u6267\u884c\u7cfb\u7edf\u8c03\u7528\uff0c\u4e00\u4e2acallback(Task, \u00a0Scheduler), \u5728\u6267\u884c\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u5c06task\u7ee7\u7eed\u52a0\u5165\u5230\u8c03\u5ea6\u5668(Scheduler)\u4e2d\uff0c\u5982Scheduler-&gt;addTask(task)\uff0c\u6216\u662f\u4ece\u8c03\u5ea6\u5668\u4e2d\u5220\u9664\uff0c\u5373\u4e0d\u6267\u884caddTask\u65b9\u6cd5, \u5982\u6709\u9700\u8981\u4e4b\u540e\u518d\u4ece\u522b\u7684Task\u4e2d\u5c06\u4e4b\u524d\u7684Task\u52a0\u5165\u8fdb\u6765<\/li>\n<li>\u591a\u4efb\u52a1\u5904\u7406\u5728\u5f02\u6b65io\u4e2d\u7684\u5e94\u7528\n<pre class=\"lang:php decode:true \">function handleClient($socket){\r\n    \/\/ \u5220\u9664\u5f53\u524d\u4efb\u52a1(\u51fd\u6570), \u4e0d\u6267\u884cyield\u540e\u7684\u4e0b\u4e00\u53e5\u4ee3\u7801\r\n    yield waitForRead($socket); \r\n\r\n    \/\/ \u5728\u5176\u5b83\u4efb\u52a1\u6570\u636e\u51c6\u5907\u597d\u540e\u518d\u52a0\u5165\u5f53\u524d\u4efb\u52a1\uff0c\u4ee5\u4fbf\u6267\u884c\u4e0b\u9762\u4ee3\u7801\r\n    $data = fread($socket, 8192);\r\n    \/\/...\r\n}<\/pre>\n<p>\u53c2\u8003\u00a0http:\/\/www.oschina.net\/translate\/cooperative-multitasking-using-coroutines-in-php<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>yield\u7684\u51fd\u6570\uff0c\u5c31\u662f\u4e00\u4e2aGenerator\u5bf9\u8c61\u7684\u751f\u6210\u5668\uff0c\u8c03\u7528\u6b64\u7c7b\u51fd\u6570\uff0c\u4e0d\u4f1a\u7acb\u5373\u6267\u884c\u51fd\u6570\u4f53\u4e2d\u7684\u4ee3\u7801 \u5173\u4e8e\u7528\u4e8e\u591a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[23,24],"_links":{"self":[{"href":"https:\/\/blog.inforere.com\/index.php?rest_route=\/wp\/v2\/posts\/188"}],"collection":[{"href":"https:\/\/blog.inforere.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.inforere.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.inforere.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.inforere.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=188"}],"version-history":[{"count":8,"href":"https:\/\/blog.inforere.com\/index.php?rest_route=\/wp\/v2\/posts\/188\/revisions"}],"predecessor-version":[{"id":197,"href":"https:\/\/blog.inforere.com\/index.php?rest_route=\/wp\/v2\/posts\/188\/revisions\/197"}],"wp:attachment":[{"href":"https:\/\/blog.inforere.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=188"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.inforere.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=188"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.inforere.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=188"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}