更好的是，编辑器是上下文敏感的，可以自动补全PHP控制结构、关键字和字符串分隔符。

Better yet, the editor is context-sensitive and can automatically complete PHP control structures, keywords, and string delimiters.

youdao

有效的自定义分隔符必须具有偶数个十六进制数字，并且允许的最大序列长度为16字节(32个十六进制数字)。

A valid custom delimiter must have an even number of hexadecimal digits, and the maximum sequence length allowed is 16 bytes (32 hexadecimal digits).

youdao

分为四类：标识符、关键字、运算符和分隔符 和 直接常量。

There are four classes: identifiers, keywords, operators and delimiters, and literals.

youdao

分为四类：标识符、关键字、运算符和分隔符 和 直接常量。

There are four classes: identifiers, keywords, operators and delimiters, and literals.

youdao