{"id":2645,"date":"2013-10-14T09:30:58","date_gmt":"2013-10-14T09:30:58","guid":{"rendered":"http:\/\/tapchicntt.com\/?p=2645"},"modified":"2020-09-08T15:47:32","modified_gmt":"2020-09-08T15:47:32","slug":"php-ham-them-dau-cham-vao-mot-chuoi-so","status":"publish","type":"post","link":"https:\/\/tapchicntt.com\/php-ham-them-dau-cham-vao-mot-chuoi-so\/","title":{"rendered":"PHP &#8211; H\u00e0m th\u00eam d\u1ea5u ch\u1ea5m (.) v\u00e0o m\u1ed9t chu\u1ed7i s\u1ed1"},"content":{"rendered":"\n<p>Trong b\u00e0i h\u01b0\u1edbng d\u1eabn n\u00e0y ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1c b\u1ea1n th\u00eam d\u1ea5u ph\u00e2n c\u00e1ch h\u00e0ng tr\u0103m, h\u00e0ng ng\u00e0n&#8230; v\u00e0o m\u1ed9t chu\u1ed7i. V\u00ed d\u1ee5: v\u1edbi chu\u1ed7i 1500000, b\u1ea1n mu\u1ed1n hi\u1ec3n th\u1ecb th\u00e0nh 1.500.000<\/p>\n\n\n\n<p>\u0110o\u1ea1n code sao \u0111\u00e2y s\u1ebd gi\u00fap b\u1ea1n l\u00e0m \u0111i\u1ec1u \u0111\u00f3:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><pre class=\"brush: php; title: ; notranslate\" title=\"\">\n\n function adddotstring($strNum) {\n\n        $len = strlen($strNum);\n        $counter = 3;\n        $result = &quot;&quot;;\n        while ($len - $counter &amp;amp;gt;= 0)\n        {\n            $con = substr($strNum, $len - $counter , 3);\n            $result = '.'.$con.$result;\n            $counter+= 3;\n        }\n        $con = substr($strNum, 0 , 3 - ($counter - $len) );\n        $result = $con.$result;\n        if(substr($result,0,1)=='.'){\n            $result=substr($result,1,$len+1);\n        }\n        return $result;\n}\n\n<\/pre><\/pre>\n\n\n\n<p>V\u00ed d\u1ee5: adddotstring(1500000) n\u00f3 s\u1ebd tr\u1ea3 v\u1ec1 k\u1ebft qu\u1ea3 l\u00e0 : 1.500.000<\/p>\n\n\n\n<p>Ch\u00fac c\u00e1c b\u1ea1n vui v\u1ebb!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u00e0i h\u01b0\u1edbng d\u1eabn n\u00e0y ch\u00fang t\u00f4i s\u1ebd h\u01b0\u1edbng d\u1eabn c\u00e1c b\u1ea1n th\u00eam d\u1ea5u ph\u00e2n c\u00e1ch h\u00e0ng tr\u0103m, h\u00e0ng ng\u00e0n&#8230; [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":4572,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-2645","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thu-thuat"],"views":486,"_links":{"self":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/2645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/comments?post=2645"}],"version-history":[{"count":2,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/2645\/revisions"}],"predecessor-version":[{"id":7039,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/posts\/2645\/revisions\/7039"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/media\/4572"}],"wp:attachment":[{"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/media?parent=2645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/categories?post=2645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tapchicntt.com\/rest-api\/wp\/v2\/tags?post=2645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}