预定义常量

下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

VAR_REPRESENTATION_SINGLE_LINE (int)
var_representation() flag indicating that newlines should not be used for whitespace in variable representations.
VAR_REPRESENTATION_UNESCAPED (int)
var_representation() flag indicating that strings should be encoded as single quoted strings with unescaped control characters.

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