IntlChar::getPropertyEnum()

版本：php7

(PHP 7)

Get the property constant value for a given property name

说明

publicstaticIntlChar::getPropertyEnum(string $alias): int

Returns the property constant value for a given property name, as specified in the Unicode database file PropertyAliases.txt. Short, long, and any other variants are recognized.

In addition, this function maps the synthetic names "gcm"/ "General_Category_Mask" to the property IntlChar::PROPERTY_GENERAL_CATEGORY_MASK. These names are not in PropertyAliases.txt.

This function compliments IntlChar::getPropertyName().

参数

$alias

The property name to be matched. The name is compared using "loose matching" as described in PropertyAliases.txt.

返回值

Returns anIntlChar::PROPERTY_constant value, or IntlChar::PROPERTY_INVALID_CODE if the given name does not match any property.

范例

Testing different properties

<?php
var_dump(IntlChar::getPropertyEnum('Bidi_Class') === IntlChar::PROPERTY_BIDI_CLASS);
var_dump(IntlChar::getPropertyEnum('script') === IntlChar::PROPERTY_SCRIPT);
var_dump(IntlChar::getPropertyEnum('IDEOGRAPHIC') === IntlChar::PROPERTY_IDEOGRAPHIC);
var_dump(IntlChar::getPropertyEnum('Some made-up string') === IntlChar::PROPERTY_INVALID_CODE);
?>

以上例程会输出：

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

参见

• IntlChar::getPropertyName() Get the Unicode name for a property