{"id":77,"date":"2016-05-18T02:18:27","date_gmt":"2016-05-18T02:18:27","guid":{"rendered":"http:\/\/120.27.50.22\/wordpress\/?p=77"},"modified":"2016-05-18T02:18:27","modified_gmt":"2016-05-18T02:18:27","slug":"php%e6%88%aa%e6%96%ad%e5%87%bd%e6%95%b0mb_substr%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"http:\/\/www.homconnect.cn\/?p=77","title":{"rendered":"PHP\u622a\u65ad\u51fd\u6570mb_substr()\u4ecb\u7ecd"},"content":{"rendered":"

mb_substr<\/span> \u2014 \u83b7\u53d6\u5b57\u7b26\u4e32\u7684\u90e8\u5206<\/span><\/p>\n

string mb_substr ( string $str , int $start [, int $length = NULL [, string $encoding = mb_internal_encoding() ]] )<\/p><\/blockquote>\n

\u6839\u636e\u5b57\u7b26\u6570\u6267\u884c\u4e00\u4e2a\u591a\u5b57\u8282\u5b89\u5168\u7684 substr()<\/span> \u64cd\u4f5c\u3002 \u4f4d\u7f6e\u662f\u4ece str<\/code> \u7684\u5f00\u59cb\u4f4d\u7f6e\u8fdb\u884c\u8ba1\u6570\u3002 \u7b2c\u4e00\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e\u662f 0\u3002\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e\u662f 1\uff0c\u4ee5\u6b64\u7c7b\u63a8\u3002<\/p>\n

\u53c2\u6570<\/h3>\n
\n
str<\/code><\/dt>\n
\n

\u4ece\u8be5 string<\/span> \u4e2d\u63d0\u53d6\u5b50\u5b57\u7b26\u4e32\u3002<\/p>\n<\/dd>\n

start<\/code><\/dt>\n
\n

str<\/code> \u4e2d\u8981\u4f7f\u7528\u7684\u7b2c\u4e00\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/dd>\n

length<\/code><\/dt>\n
\n

str<\/code> \u4e2d\u8981\u4f7f\u7528\u7684\u6700\u5927\u5b57\u7b26\u6570\u3002 If omitted or NULL<\/em> is passed, extract all characters to the end of the string.<\/p>\n<\/dd>\n

encoding<\/code><\/dt>\n
\n

encoding<\/code> \u53c2\u6570\u4e3a\u5b57\u7b26\u7f16\u7801\u3002\u5982\u679c\u7701\u7565\uff0c\u5219\u4f7f\u7528\u5185\u90e8\u5b57\u7b26\u7f16\u7801\u3002<\/p>\n

\u8fd4\u56de\u503c<\/h3>\n

mb_substr()<\/strong><\/span> \u51fd\u6570\u6839\u636e start<\/code> \u548c length<\/code> \u53c2\u6570\u8fd4\u56de str<\/code> \u4e2d\u6307\u5b9a\u7684\u90e8\u5206\u3002<\/p>\n

$str = ‘\u8fd9\u6837\u4e00\u6765\u6211\u7684\u5b57\u7b26\u4e32\u5c31\u4e0d\u4f1a\u6709\u4e71\u7801^_^’;<\/p>\n

echo “mb_substr:” . mb_substr($str, 0, 7, ‘UTF-8’);
\n\/\/\u7ed3\u679c\uff1a\u8fd9\u6837\u4e00\u6765\u6211\u7684\u5b57
\necho ”
\n“;<\/p>\n

echo “mb_strcut:” . mb_strcut($str, 0, 6, ‘utf-8’);
\n\/\/\u7ed3\u679c\uff1a\u8fd9\u6837<\/p><\/blockquote>\n

\u53ef\u4ee5\u622a\u65ad\u4e2d\u82f1\u6df7\u5408\u5b57\u7b26\u4e32\u4e0d\u51fa\u73b0\u4e71\u7801\u3002<\/p>\n<\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"

mb_substr \u2014 \u83b7\u53d6\u5b57\u7b26\u4e32\u7684\u90e8\u5206 string mb_substr ( string $str , i … \u7ee7\u7eed\u9605\u8bfb\u201cPHP\u622a\u65ad\u51fd\u6570mb_substr()\u4ecb\u7ecd\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\/77"}],"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=77"}],"version-history":[{"count":1,"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=\/wp\/v2\/posts\/77\/revisions"}],"predecessor-version":[{"id":78,"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=\/wp\/v2\/posts\/77\/revisions\/78"}],"wp:attachment":[{"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=77"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=77"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.homconnect.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=77"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}