{"id":41,"date":"2014-08-12T13:47:25","date_gmt":"2014-08-12T05:47:25","guid":{"rendered":"http:\/\/www.phpzl.com\/?p=41"},"modified":"2014-08-12T13:47:25","modified_gmt":"2014-08-12T05:47:25","slug":"%e6%8e%92%e5%88%97%e7%bb%84%e5%90%88","status":"publish","type":"post","link":"http:\/\/www.phpzl.com\/?p=41","title":{"rendered":"\u6392\u5217\u7ec4\u5408"},"content":{"rendered":"

\/\/$words = array(‘china’,’mother’,’father’,’hello’,’welcome’);<\/p>\n

\/\/\u6392\u5217\u7ec4\u5408<\/p>\n

$words = array(‘a’, ‘b’, ‘c’, ‘d’, ‘e’);
\n$res = array();
\ngetCombines($words, 5);
\nprint_r($res);
\nfunction getCombines($arr, $len=0, $str=””) {
\nglobal $res;
\n$arr_len = count($arr);
\nif($len == 0){
\n$res[] = $str;
\n}else{
\nfor($i=0; $i<$arr_len; $i++){
\n$tmp = array_shift($arr);
\nif (empty($str))
\n{
\ngetCombines($arr, $len-1, $tmp);
\n}
\nelse
\n{
\ngetCombines($arr, $len-1, $str.”,”.$tmp);
\n}
\narray_push($arr, $tmp);
\n}
\n}
\n}<\/p>\n","protected":false},"excerpt":{"rendered":"

\/\/$words = array(‘china’,’mother&#821 […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.phpzl.com\/index.php?rest_route=\/wp\/v2\/posts\/41"}],"collection":[{"href":"http:\/\/www.phpzl.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.phpzl.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.phpzl.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/www.phpzl.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=41"}],"version-history":[{"count":0,"href":"http:\/\/www.phpzl.com\/index.php?rest_route=\/wp\/v2\/posts\/41\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.phpzl.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=41"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.phpzl.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.phpzl.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}