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PHP高端课程,php高端

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Release: 2016-06-13 08:58:06
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PHP高端课程,php高端

第一章:关于PHP字符串 6

1.1 字符串语法 6

1.1.1 PHP中字符串的定义方式 6

1.1.2 双引号的作用 6

1.1.3 字符串和其他类型的转换 6

1.1.4 获取和修改字符串中的字符 6

1.2 字符串原理 6

1.2.1 字符串在底层是如何存储的? 6

1.2.2 字符串编码解析 6

1.2.3 关于“二进制”安全 6

1.3 字符编码方式 6

1.3.1 位和字节 6

1.3.2 ASCII编码 6

1.3.3 Unicode编码 6

1.3.4 XML中用Unicode表示汉字 6

1.4  UTF-8与GBK编码原理 6

1.4.1 UTF-8编码定义 6

1.4.2 UTF-8编码规律 6

1.4.3 带BOM和不带BOM的区别 6

1.4.4 UTF-8占用空间 6

1.4.5 Unicode和UTF-8之间的转换 6

1.4.6 有签名的UTF-8是怎么回事 6

1.4.7 GB2312和GBK编码来源 6

1.4.8 关于mbstring和iconv 6

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