IntlChar::getNumericValue

(PHP 7, PHP 8)

IntlChar::getNumericValueGet the numeric value for a Unicode code point

Beschreibung

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

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.

Parameter-Liste

codepoint

Der int-Wert des Codepoints (z. B. 0x2603 für U+2603 SNOWMAN) oder das Zeichen als UTF-8-String kodiert (z.B. "\u{2603}").

Rückgabewerte

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.

Beispiele

Beispiel #1 Testen unterschiedlicher Codepoints

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

Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

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