{"provider_name":"Hatena Blog","blog_title":"1day of week diary","author_name":"sakuraduki","categories":[],"height":"190","version":"1.0","description":"\u3053\u3053\u306b\u66f8\u3044\u3066\u3042\u308b\u3082\u306e\u306f\u57fa\u672c\u7684\u306b\u4ed6\u306e\u30b5\u30a4\u30c8\u306e\u30b3\u30d4\u30da\u3067\u3059\u3002 \u656c\u79f0\u7565\uff01 \u30e1\u30e2\u3067\u3059\u306e\u3067\u60aa\u3057\u304b\u3089m(_ _)m\u25a0substr (\u6587\u5b57\u5217\u5207\u308a\u51fa\u3057) \u3010\u4f8b\u3011 $a = substr('abcdef', 1, 3); ** $a \u306b\u306f\u3001'bcd' \u304c\u30bb\u30c3\u30c8\u3055\u308c\u307e\u3059\u3002 ** \u4f4d\u7f6e\u306f\u5148\u982d\u304c 0\u3001\u6587\u5b57\u6570\u306f\u30d0\u30a4\u30c8\u5358\u4f4d\u3067\u3059\u3002 \u25a0tr (\u6587\u5b57\u5909\u63db) \u3010\u4f8b\u3011 $a =~ tr/a/b/; #// a \u3092 b \u306b\u5909\u63db $a =~ tr/a/b/c; #// a \u4ee5\u5916\u3092 b \u306b\u5909\u63db $a =~ tr/ab/b/d; #// a \u3092\u524a\u9664 $a =~ tr/a//s; #// a \u306e\u9023\u7d9a\u3092 1 \u6587\u5b57\u306b\u5909\u63db \u53c2\u8003\u30b5\u30a4\u30c8\uff1aSAK St\u2026","published":"2006-12-12 00:00:00","width":"100%","type":"rich","url":"https://sakuraduki.hatenadiary.org/entry/20061212","image_url":null,"author_url":"https://blog.hatena.ne.jp/sakuraduki/","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fsakuraduki.hatenadiary.org%2Fentry%2F20061212\" title=\"PHP\u30e1\u30e2 - 1day of week diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"PHP\u30e1\u30e2","blog_url":"https://sakuraduki.hatenadiary.org/"}