IntlChar::getPropertyEnum()
版本:php7
(PHP 7)
Get the property constant value for a given property name
说明
public static IntlChar::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