Php/docs/intlchar.isuuppercase

• PHP Manual
• IntlChar
• Check if code point has the Uppercase Unicode property

IntlChar::isUUppercase

(PHP 7)

IntlChar::isUUppercase — Check if code point has the Uppercase Unicode property

说明

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

Check if a code point has the Uppercase Unicode property.

This is the same as IntlChar::hasBinaryProperty($codepoint, IntlChar::PROPERTY_UPPERCASE)

Note:

This is different than IntlChar::isupper() and will return true for more characters.

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 has the Uppercase Unicode property, false if not.

范例

Example #1 Testing different code points

<?phpvar_dump(IntlChar::isUUppercase("A"));var_dump(IntlChar::isUUppercase("a"));var_dump(IntlChar::isUUppercase("Φ"));var_dump(IntlChar::isUUppercase("φ"));var_dump(IntlChar::isUUppercase("1"));?>

以上例程会输出：

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

参见

• IntlChar::isupper() - Check if code point has the general category "Lu" (uppercase letter)
• IntlChar::hasBinaryProperty() - Check a binary Unicode property for a code point
• IntlChar::PROPERTY_UPPERCASE