echo命令的- e标志用来告诉该命令扩展c风格的转义字符，在本示例中，它会把\t转换为制表符。
The -e flag to the echo command tells it to expand C-style escaped characters; in this case, it's going to turn \ t into a TAB character for you.
注意，xml变量受到了针对内部引号和换行符的转义字符的污染。
Notice that the xml variable is polluted with escape characters for the internal quotes and newlines.
您可以随意将字符串传递给 preg_quote()来自动转义它找到的所有regex操作符，如第 1行所示。
Optionally, you can pass a string to preg_quote() to automatically escape any regex operator it finds, as in line 1.
您可以将输出显示为八进制、十六进制、十进制、浮点数、包含反斜杠转义符的ASCII，或者指定的字符(nl表示换行、ht表示水平制表符，等等)。
You can display output as octal, hex, decimal, floating point, ASCII with backslash escapes, or named characters (nl for newline, ht for horizontal TAB, etc.).
对于ASCII文件，您可以指定文件的字段分隔符、转义字符、是否应包括尾随空白，以及文件的编码。
For ASCII files, you can specify the field delimiter for the file, as well as the escape character, whether trailing blanks should be included, and the encoding for the file.
前跟转义字符用于标识缓冲区操作符结束的字符。
The character which when preceded by an escape character represents end of buffer operator.
前跟转义字符用于标识引用操作符结束的字符。
The character which when preceded by an escape character represents the end quote operator.
前跟转义字符用于标识引用操作符开始的字符。
The character which when preceded by an escape character represents the start quote operator.
前跟转义字符用于表示制表符的字符。
The character which when preceded by an escape character represents the tab character.
前跟转义字符用于表示换行符的字符。
The character which when preceded by an escape character represents the newline character.
指定一个转义符以使用后接字符的实际值。
Specifies the escape character for using the actual value of the following character.
可以使用转义符来显示用户界面元素中的特殊字符，通常对这些用户界面元素会有不同的解释，如解释为菜单项。
You can use an escape character to display a special character in user-interface elements that would normally interpret them differently, such as menu items.
解释字符串数据的概念、它的语法以及转义符的使用。
Explains the concept of string data, its syntax, and the use of escape characters.
解释字符串数据的概念、它的语法以及转义符的使用。
Explains the concept of string data, its syntax, and the use of escape characters.
应用推荐