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IntlChar::getNumericValue

PHP function Edit on GitHub ✎

(PHP 7, PHP 8)

Get the numeric value for a Unicode code point

Description

IntlChar::getNumericValue(int|string $codepoint): float|null

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.

Parameters

codepoint: Parameter

Return Values

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. Returns null on failure.

Examples

Example

php

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

The above example will output:

output

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

Source: reference/intl/intlchar/getnumericvalue.xml · from the official PHP manual (php/doc-en)