IntlChar::hasBinaryProperty() - IntlChar类

乐乐2年前 (2023-11-21)阅读数 29#技术干货

文章标签范例

IntlChar::hasBinaryProperty()

版本：php7

(PHP 7)

Check a binary Unicode property for a code point

说明

publicstaticIntlChar::hasBinaryProperty(mixed $codepoint,int $property): bool

Checks a binary Unicode property for a code point.

Unicode, especially in version 3.2, defines many more properties than the original set in UnicodeData.txt.

IntlChar::hasBinaryProperty() - IntlChar类

The properties APIs are intended to reflect Unicode properties as defined in the Unicode Character Database(UCD)and Unicode Technical Reports(UTR). For details about the properties see » http://www.unicode.org/ucd/. For names of Unicode properties see the UCD file PropertyAliases.txt.

参数

$codepoint

The integer codepoint value(e.g.0x2603forU+2603 SNOWMAN), or the character encoded as a UTF-8 string(e.g."u{2603}")

$property

The Unicode property to lookup(see theIntlChar::PROPERTY_*constants).

返回值

ReturnsTRUEorFALSEaccording to the binary Unicode property value for$codepoint. AlsoFALSEif$propertyis out of bounds or if the Unicode version does not have data for the property at all, or not for this code point.

范例

Testing different properties

以上例程会输出：

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

参见

IntlChar::getIntPropertyValue() Get the value for a Unicode property for a code point
IntlChar::getUnicodeVersion() Get the Unicode version

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