Php/docs/intlchar.isprint

• PHP Manual
• IntlChar
• Check if code point is a printable character

IntlChar::isprint

(PHP 7)

IntlChar::isprint — Check if code point is a printable character

说明

public static IntlChar::isprint ( mixed $codepoint ) : bool

Determines whether the specified code point is a printable character.

true for general categories other than "C" (controls).

参数

codepoint

The int codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

返回值

Returns true if codepoint is a printable character, false if not.

范例

Example #1 Testing different code points

<?phpvar_dump(IntlChar::isprint("A"));var_dump(IntlChar::isprint(" "));var_dump(IntlChar::isprint("\n"));var_dump(IntlChar::isprint("\u{200e}"));?>

以上例程会输出：

bool(true)
bool(true)
bool(false)
bool(false)

参见

• IntlChar::iscntrl() - Check if code point is a control character
• IntlChar::PROPERTY_DEFAULT_IGNORABLE_CODE_POINT