{"id":137,"date":"2016-09-02T10:12:23","date_gmt":"2016-09-02T02:12:23","guid":{"rendered":"http:\/\/www.secondsend.com\/wordpress\/?p=137"},"modified":"2016-09-02T10:12:23","modified_gmt":"2016-09-02T02:12:23","slug":"foreach%e4%b8%adunset%e5%bc%95%e7%94%a8%e5%8f%98%e9%87%8f%e4%bd%bf%e7%94%a8%e9%94%99%e8%af%af","status":"publish","type":"post","link":"http:\/\/www.homconnect.cn\/?p=137","title":{"rendered":"foreach\u4e2dunset\u5f15\u7528\u53d8\u91cf\u4f7f\u7528\u9519\u8bef"},"content":{"rendered":"<pre>$arr = array(\r\n        array('a'=&gt;1,'b'=&gt;2,'c'=&gt;3,'d'=&gt;4),\r\n        array('a'=&gt;5,'b'=&gt;6,'c'=&gt;7,'d'=&gt;8),\r\n        array('a'=&gt;9,'b'=&gt;10,'c'=&gt;11,'d'=&gt;12),\r\n        array('a'=&gt;13,'b'=&gt;14,'c'=&gt;15,'d'=&gt;16),\r\n        array('a'=&gt;17,'b'=&gt;18,'c'=&gt;19,'d'=&gt;20),\r\n        array('a'=&gt;21,'b'=&gt;22,'c'=&gt;23,'d'=&gt;24),\r\n    );\r\nforeach ($arr as &amp;$val) {\r\n    $temp = $val['a']%2;\r\n    if(1 == $temp) {\r\n        unset($val);\r\n    }\r\n}\r\nprint_r($arr);\r\n<\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\uff0c\u672c\u60f3\u9500\u6bc1\u6389\u6ee1\u8db3\u5224\u65ad\u6761\u4ef6\u4e2d\uff0c$arr\u5bf9\u5e94\u7684\u952e\u503c\u5bf9\u3002\u67e5\u770b\u7ed3\u679c\uff0c\u6ca1\u6709\u9500\u6bc1\u3002\u67e5\u770b\u4e86\u4e00\u4e0b\u624b\u518c\uff0c\u5728foreach\u4e2d\u4f7f\u7528foreache($arr as &amp;$val)\u5f15\u7528\u6a21\u5f0f\uff0cunset($val)\uff0c\u53ea\u662f\u53d6\u6d88\u5f15\u7528\uff0c\u5e76\u4e0d\u662f\u9500\u6bc1\u952e\u503c\u5bf9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>$arr = array( array(&#8216;a&#8217;=&gt;1,&#8217;b&#8217;=&gt;2,&#8217;c&#8217;=&gt;3,&#8217;d&#8217;=&#038; &hellip; <a href=\"http:\/\/www.homconnect.cn\/?p=137\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cforeach\u4e2dunset\u5f15\u7528\u53d8\u91cf\u4f7f\u7528\u9519\u8bef\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=\/wp\/v2\/posts\/137"}],"collection":[{"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=137"}],"version-history":[{"count":1,"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=\/wp\/v2\/posts\/137\/revisions"}],"predecessor-version":[{"id":138,"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=\/wp\/v2\/posts\/137\/revisions\/138"}],"wp:attachment":[{"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=137"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=137"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=137"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}