{"id":850,"date":"2013-05-09T10:40:28","date_gmt":"2013-05-09T02:40:28","guid":{"rendered":"http:\/\/hesiwei.cn\/?p=850"},"modified":"2013-05-09T10:40:28","modified_gmt":"2013-05-09T02:40:28","slug":"php%e6%88%aa%e5%8f%96%e4%b8%ad%e6%96%87%e5%ad%97%e7%ac%a6%e4%b8%b2%e7%9a%84substr%e3%80%81mb_substr%e3%80%81mb_strcut%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"http:\/\/hesiwei.cn\/?p=850","title":{"rendered":"php\u622a\u53d6\u4e2d\u6587\u5b57\u7b26\u4e32\u7684substr()\u3001mb_substr()\u3001mb_strcut()\u51fd\u6570"},"content":{"rendered":"

substr()\u51fd\u6570\u53ef\u4ee5\u7528\u6765\u5206\u5272\u6587\u5b57\uff0c\u4f46\u8981\u5206\u5272\u7684\u6587\u5b57\u5982\u679c\u5305\u62ec\u4e2d\u6587\u5b57\u7b26\u5f80\u5f80\u4f1a\u9047\u5230\u95ee\u9898\uff0c\u8fd9\u65f6\u53ef\u4ee5\u7528mb_substr()\/mb_strcut()\u8fd9\u4e2a\u51fd\u6570\uff0cmb_substr() \/mb_strcut()\u7684\u7528\u6cd5\u4e0esubstr()\u76f8\u4f3c\uff0c\u53ea\u662f\u5728mb_substr()\/mb_strcut\u6700\u540e\u8981\u52a0\u5165\u591a\u4e00\u4e2a\u53c2\u6570\uff0c\u6765\u8bbe\u5b9a\u5b57\u7b26\u4e32\u7684\u7f16\u7801\u3002<\/p>\n

\u4f8b\uff1a<\/p>\n

\"\"<\/p>\n

<?php
\necho mb_substr(‘\u6211\u662f\u4e2d\u6587\u4e0d\u662f\u82f1\u6587\u6211\u6015\u5565’, 0, 7, ‘utf-8’);
\n?>
\n\u8f93\u51fa\uff1a\u6211\u662f\u4e2d\u6587\u4e0d\u662f\u82f1<\/p>\n

<?php
\necho mb_strcut(‘\u6211\u662f\u4e2d\u6587\u4e0d\u662f\u82f1\u6587\u6211\u6015\u5565’, 0, 7,’utf-8′);
\n?>
\n\u8f93\u51fa\uff1a\u6211\u662f<\/p>\n

\u4ece\u4e0a\u9762\u7684\u4f8b\u5b50\u53ef\u4ee5\u770b\u51fa\uff0cmb_substr\u662f\u6309\u5b57\u6765\u5207\u5206\u5b57\u7b26\uff0c\u800cmb_strcut\u662f\u6309\u5b57\u8282\u6765\u5207\u5206\u5b57\u7b26\uff0c\u4f46\u662f\u90fd\u4e0d\u4f1a\u4ea7\u751f\u534a\u4e2a\u5b57\u7b26\u7684\u73b0\u8c61\u2026\u2026
\n\u4e2a\u4eba\u7406\u89e3\uff1a
\nmb_substr()\u51fd\u6570\u5bf9\u82f1\u6587\u6216\u4e2d\u6587\u5b57\u7b26\u90fd\u8868\u793a\u4e00\u4e2a\u5355\u4f4d\u3002
\nmb_strcut()\u51fd\u6570\u5bf9\u4e2d\u6587\u5b57\u7b26\u662f3\u4e2a\u5355\u4f4d\uff0c\u82f1\u6587\u662f1\u4e2a\u5355\u4f4d\u3002<\/p>\n

\u4f8b\u5982\uff1a
\n<?php
\n$str = “\u8fd9\u6837abcd\u4e00\u6765”;
\necho “mb_substr:”.mb_substr($str, 0, 5, ‘utf-8’);
\necho “<br>”;
\necho “mb_strcut:”.mb_strcut($str, 0, 8, ‘utf-8′);
\n?>
\n\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\uff1a
\nmb_substr: \u8fd9\u6837abc
\nmb_strcut:\u00a0 \u8fd9\u6837ab
\n\u9644\uff1a<\/p>\n

strlen \u4e0e mb_strlen \u7684\u5dee\u522b\uff1a
\n<?php
\n$str=”\u4e2d\u6587a\u5b571\u7b26”;
\necho strlen($str);
\necho “<br \/>”;
\necho mb_strlen($str,’UTF8’);
\n?>
\n\u8f93\u51fa\u7ed3\u679c\uff1a
\n14
\n6<\/p>\n

\u4ee5\u4e0a\u7ed3\u679c\u90fd\u662f\u7ecf\u6d4b\u8bd5\u5f97\u51fa\u3002<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

substr()\u51fd\u6570\u53ef\u4ee5\u7528\u6765\u5206\u5272\u6587\u5b57\uff0c\u4f46\u8981\u5206\u5272\u7684\u6587\u5b57\u5982\u679c\u5305\u62ec\u4e2d\u6587\u5b57\u7b26\u5f80\u5f80\u4f1a\u9047\u5230\u95ee\u9898\uff0c\u8fd9\u65f6\u53ef\u4ee5\u7528mb_subst […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-850","post","type-post","status-publish","format-standard","hentry","category-php"],"_links":{"self":[{"href":"http:\/\/hesiwei.cn\/index.php?rest_route=\/wp\/v2\/posts\/850","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/hesiwei.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/hesiwei.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/hesiwei.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/hesiwei.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=850"}],"version-history":[{"count":0,"href":"http:\/\/hesiwei.cn\/index.php?rest_route=\/wp\/v2\/posts\/850\/revisions"}],"wp:attachment":[{"href":"http:\/\/hesiwei.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/hesiwei.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=850"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/hesiwei.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}