您的位置:寻梦网首页编程乐园PHP 编程PHP5中文手册
PHP5中文手册

is_binary

(No version information available, might be only in CVS)

is_binary — Finds whether a variable is a native binary string

说明

bool is_binary ( mixed $var )

Finds whether the given variable is a native binary string.

参数

var

The variable being evaluated.

返回值

Returns TRUE if var is a native binary string, FALSE otherwise.