IntlChar
PHP Manual

IntlChar::getNumericValue

(PHP 7)

IntlChar::getNumericValue — Get the numeric value for a Unicode code point

Описание

public static float IntlChar::getNumericValue ( mixed $codepoint )

Gets the numeric value for a Unicode code point as defined in the Unicode Character Database.

For characters without any numeric values in the Unicode Character Database, this function will return IntlChar::NO_NUMERIC_VALUE.

Список параметров

codepoint

The integer codepoint value (e.g. 0x2603 for U+2603 SNOWMAN), or the character encoded as a UTF-8 string (e.g. "\u{2603}")

Возвращаемые значения

Numeric value of codepoint, or IntlChar::NO_NUMERIC_VALUE if none is defined. This constant was added in PHP 7.0.6, prior to this version the literal value (float)-123456789 may be used instead.

Примеры

Пример #1 Testing different code points

<?php
var_dump(IntlChar::getNumericValue("4"));
var_dump(IntlChar::getNumericValue("x"));
var_dump(IntlChar::getNumericValue("\u{216C}"));
?>

Результат выполнения данного примера:

float(4)
float(-123456789)
float(50)

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