{"id":48810,"date":"2024-12-02T12:47:21","date_gmt":"2024-12-02T04:47:21","guid":{"rendered":"https:\/\/fwq.ai\/blog\/48810\/"},"modified":"2024-12-02T12:47:21","modified_gmt":"2024-12-02T04:47:21","slug":"php-for-%e5%be%aa%e7%8e%af%ef%bc%9a%e4%b8%ba%e4%bb%80%e4%b9%88-z1-%e4%bc%9a%e7%ad%89%e4%ba%8e-aa%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/48810\/","title":{"rendered":"PHP For \u5faa\u73af\uff1a\u4e3a\u4ec0\u4e48 \\’Z\\’+1 \u4f1a\u7b49\u4e8e \\’AA\\’\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

PHP For \u5faa\u73af\uff1a\u4e3a\u4ec0\u4e48 \\’Z\\’+1 \u4f1a\u7b49\u4e8e \\’AA\\’\uff1f<\/h1>\n

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aPHP For \u5faa\u73af\uff1a\u4e3a\u4ec0\u4e48 \\’Z\\’+1 \u4f1a\u7b49\u4e8e \\’AA\\’\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n

\"PHP<\/p>\n

php for \u5faa\u73af\uff1a\u904d\u5386\u5b57\u7b26\u4e32\u7684\u7591\u95ee\u89e3\u7b54<\/strong><\/p>\n

php \u7684 for \u5faa\u73af\u4e2d\uff0c\u5f53\u4f7f\u7528\u9012\u589e\u8fd0\u7b97\u7b26\u65f6\uff0c\u4f1a\u9047\u5230\u4e00\u4e9b\u6709\u8da3\u7684\u60c5\u51b5\u3002\u672c\u6587\u9488\u5bf9\u4ee5\u4e0b\u7591\u95ee\u8fdb\u884c\u89e3\u7b54\uff1a<\/p>\n

1. ‘z’+1 \u540e\u4e3a\u4ec0\u4e48\u662f ‘aa’?<\/strong><\/p>\n

\u5728 php \u4e2d\uff0c\u5b57\u6bcd\u5b57\u7b26\u7684\u52a0\u6cd5\u8fd0\u7b97\u9075\u5faa perl \u60ef\u4f8b\uff0c\u800c\u4e0d\u662f c \u60ef\u4f8b\u3002\u8fd9\u610f\u5473\u7740 ‘z’+1 \u4e0d\u4f1a\u5f97\u5230 ‘[‘, \u800c\u662f ‘aa’\u3002<\/p>\n

2. php \u7684\u5b57\u7b26\u4e32\u6bd4\u8f83\u4e0d\u662f\u7eaf\u7cb9\u7684 ascii \u6bd4\u8f83<\/strong><\/p>\n

php \u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u6bd4\u8f83\u65f6\uff0c\u4e0d\u4f1a\u5355\u7eaf\u5730\u6309 ascii \u7801\u503c\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u5b57\u7b26\u4e32\u7684\u5934\u51e0\u4e2a\u5b57\u7b26\u76f8\u7b49\uff0c\u5219\u4f1a\u6bd4\u8f83\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\uff0c\u66f4\u957f\u7684\u5b57\u7b26\u4e32\u88ab\u8ba4\u4e3a\u66f4\u5927\u3002<\/p>\n

\u793a\u4f8b\u4ee3\u7801\uff1a<\/strong><\/p>\n

$string = '';\n$j = 'Z';\nfor ($i = 'A'; $i <= $j; $i++) {\n    $string .= $i;\n}\necho strlen($string);<\/pre>\n
\u8f93\u51fa\uff1a<\/strong><\/p>\n
    \n
  • \u5f53 $j=’y’ \u65f6\uff0c\u8f93\u51fa 25\u3002<\/li>\n
  • \u5f53 $j=’z’ \u65f6\uff0c\u8f93\u51fa 1326\u3002<\/li>\n<\/ul>\n
    \u89e3\u91ca\uff1a<\/strong><\/p>\n
      \n
    • \u5f53 $j=’y’ \u65f6\uff0c\u5faa\u73af\u4ece ‘a’ \u9012\u589e\u5230 ‘y’\uff0c\u7136\u540e\u505c\u6b62\u3002\u6b64\u65f6\uff0c$string \u7684\u957f\u5ea6\u4e3a 25 (‘a’ \u5230 ‘y’ \u5171 25 \u4e2a\u5b57\u6bcd)\u3002<\/li>\n
    • \u5f53 $j=’z’ \u65f6\uff0c\u5faa\u73af\u4ece ‘a’ \u9012\u589e\u5230 ‘z’\uff0c\u7136\u540e\u9012\u589e\u5230 ‘aa’\u3001’ab’ \u7b49\u540e\u7eed\u5b57\u6bcd\u3002\u6b64\u65f6\uff0c\u7531\u4e8e ‘aa’ \u7684 ascii \u7801\u503c\u5927\u4e8e ‘z’ \u7684 ascii \u7801\u503c\uff0c\u800c $string \u7684\u957f\u5ea6\u4e5f\u5728\u4e0d\u65ad\u589e\u52a0\uff0c\u6240\u4ee5\u8f93\u51fa\u7ed3\u679c\u4e3a 1326\u3002<\/li>\n<\/ul>\n
      \u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aPHP For \u5faa\u73af\uff1a\u4e3a\u4ec0\u4e48 \\’Z\\’+1 \u4f1a\u7b49\u4e8e \\’AA\\’\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      PHP For \u5faa\u73af\uff1a\u4e3a\u4ec0\u4e48 \\’Z\\’+1 \u4f1a\u7b49\u4e8e \\’AA\\’\uff1f \u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aPHP For \u5faa\u73af\uff1a\u4e3a\u4ec0\u4e48 \\’Z\\’+1 \u4f1a\u7b49\u4e8e \\’AA\\’\uff1f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01 php for \u5faa\u73af\uff1a\u904d\u5386\u5b57\u7b26\u4e32\u7684\u7591\u95ee\u89e3\u7b54 php \u7684 for \u5faa\u73af\u4e2d\uff0c\u5f53\u4f7f\u7528\u9012\u589e\u8fd0\u7b97\u7b26\u65f6\uff0c\u4f1a\u9047\u5230\u4e00\u4e9b\u6709\u8da3\u7684\u60c5\u51b5\u3002\u672c\u6587\u9488\u5bf9\u4ee5\u4e0b\u7591\u95ee\u8fdb\u884c\u89e3\u7b54\uff1a 1. ‘z’+1 \u540e\u4e3a\u4ec0\u4e48\u662f ‘aa’? \u5728 php \u4e2d\uff0c\u5b57\u6bcd\u5b57\u7b26\u7684\u52a0\u6cd5\u8fd0\u7b97\u9075\u5faa perl \u60ef\u4f8b\uff0c\u800c\u4e0d\u662f c \u60ef\u4f8b\u3002\u8fd9\u610f\u5473\u7740 ‘z’+1 \u4e0d\u4f1a\u5f97\u5230 ‘[‘, \u800c\u662f ‘aa’\u3002 2. php \u7684\u5b57\u7b26\u4e32\u6bd4\u8f83\u4e0d\u662f\u7eaf\u7cb9\u7684 ascii \u6bd4\u8f83 php \u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u6bd4\u8f83\u65f6\uff0c\u4e0d\u4f1a\u5355\u7eaf\u5730\u6309 ascii \u7801\u503c\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u5b57\u7b26\u4e32\u7684\u5934\u51e0\u4e2a\u5b57\u7b26\u76f8\u7b49\uff0c\u5219\u4f1a\u6bd4\u8f83\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\uff0c\u66f4\u957f\u7684\u5b57\u7b26\u4e32\u88ab\u8ba4\u4e3a\u66f4\u5927\u3002 \u793a\u4f8b\u4ee3\u7801\uff1a $string = ”; $j = ‘Z’; for ($i = ‘A’; […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-48810","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48810","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=48810"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/48810\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=48810"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=48810"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=48810"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}