IntlChar::getPropertyValueEnum

(PHP 7, PHP 8)

IntlChar::getPropertyValueEnum — Get the property value for a given value name

说明

public static IntlChar::getPropertyValueEnum(int $property, string $name): int

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

注意:
Some of the names in PropertyValueAliases.txt will only be recognized with IntlChar::PROPERTY_GENERAL_CATEGORY_MASK, not IntlChar::PROPERTY_GENERAL_CATEGORY. These include:
"C" / "Other"

"L" / "Letter"

"LC" / "Cased_Letter"

"M" / "Mark"

"N" / "Number"

"P" / "Punctuation"

"S" / "Symbol"

"Z" / "Separator"

参数

property

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

If out of range, or this method doesn't work with the given value, IntlChar::PROPERTY_INVALID_CODE is returned.

name

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

返回值

Returns the corresponding value integer, or IntlChar::PROPERTY_INVALID_CODE if the given name does not match any value of the given property, or if the property is invalid.

范例

示例 #1 Testing different properties


<?php
var_dump(IntlChar::getPropertyValueEnum(IntlChar::PROPERTY_BLOCK, 'greek') === IntlChar::BLOCK_CODE_GREEK);
var_dump(IntlChar::getPropertyValueEnum(IntlChar::PROPERTY_BIDI_CLASS, 'RIGHT_TO_LEFT') === IntlChar::CHAR_DIRECTION_RIGHT_TO_LEFT);
var_dump(IntlChar::getPropertyValueEnum(IntlChar::PROPERTY_BIDI_CLASS, 'some made-up string') === IntlChar::PROPERTY_INVALID_CODE);
var_dump(IntlChar::getPropertyValueEnum(123456789, 'RIGHT_TO_LEFT') === IntlChar::PROPERTY_INVALID_CODE);
?>

以上例程会输出：

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

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官方地址：https://www.php.net/manual/en/intlchar.getpropertyvalueenum.php

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IntlChar::getPropertyValueEnum

说明

参数

返回值

范例

User Contributed Notes